zeestone99:

i have some premium magnum, xantrex and the likes for sale.

call/watapp 08117398294.

Hello, do you by any chance have replacement control board for the magnum (MS4124)??

totalgreen01:



"completely down" you are killing the life cycles as well.... what voltage is "completely down"?

by completely down, I mean when the fan stops working. I don't actually check voltage.

Actually, I don't care much about the cells cos I get the bad batteries easily as I deal on tokunbo laptops in bulk.

totalgreen01:



PLEASE PLEASE PLEASE i dey beg u, that setup is waiting to explode.. your fan is 12volt i guess, u are using 3 in series as early said, so the lithium at full will only allow 12.6v, but your charger will go up to 13v or so, you might lucky so far cause maybe the bank is large so the battery never gets to full depending on the charger ..... I beg help yourself. if you still want to go the rugged way, put a volt display so you can monitor and shut it down when it reaches about 12.4v... but no be me advice u o... another problem u might face is when on bat dies out and the charger is still trying to meet up 12v, imagine trying to push 12v into 7.4v cause one has failed...

i can help u, if u send the bat to me, i will rebuild it with a bms so u can go out of your home in peace...

I think some cells were dead before I started using them cos I didn't throw any cell away from the dead laptop battery as I have no means of testing anything.

Also, I only charge it for 5hours whenever it needs to be recharged which is mostly once in a week cos I only use the fan at night when there is no nepa light for the ceiling fan and that 5hours charge can carry me for about 5 nights at average speed before the fan stops working and needs to be recharged.

I have been doing it that way for 3 months plus now. Unless if charging it for the 5hours can raise the battery voltage above the 12.6v maximum. But, the battery has never for once gotten hot. Can it still explode without getting hot?

Where do I get a volt display so I can always put it off when it gets to about 12.4V? Or is there any device I can connect to it that would automatically stop charging once the volt gets to the 12.4V?

While on this rechargeable fan issue.
The batt in mine crapped out.scoured the market..no luck.
Saw on AliExpress..but price is high and shipping another wahala.
This is a lithium battery, so does it imply that the fan has an internal bms??.
Am guess 3 cells in series..and probably 1 or 2 has died.the fan rarely worked up to 2hrs when fully charged....unlike it's lead acid brothers

Who can help me get a replacement??

hotdealz:
I think some cells were dead before I started using them cos I didn't throw any cell away from the dead laptop battery as I have no means of testing anything.

As I said earlier you are threading a very dangerous road. You need a basic understanding of electricity to attempt what you are doing. In the minimum get a cheap meter to check the voltage while charging. They are between N1,500 to N,2000. The best is to connect a small voltmeter permanently so you can always see the voltage.

Also, I only charge it for 5hours whenever it needs to be recharged which is mostly once in a week cos I only use the fan at night when there is no nepa light for the ceiling fan and that 5hours charge can carry me for about 5 nights at average speed before the fan stops working and needs to be recharged.

You should also never discharge a li-ion cell below 3v, that's 9v for 3 cells in series as in your case.
I guess the voltage cut of mark for the fan is far less than 9v because it was designed for lead acid. 12v lead acid cut off for these fans are usually around 10.5v to 11.5v, so you should be safe here.

I have been doing it that way for 3 months plus now. Unless if charging it for the 5hours can raise the battery voltage above the 12.6v maximum. But, the battery has never for once gotten hot. [color=#990000]Can it still explode without getting hot?

Li-ion cells can explode without warnings, if there is an internal short. Although some cells have safety fuse embedded

Where do I get a volt display so I can always put it off when it gets to about 12.4V?

You can get a regular meter in most shops that sell electronic components and even some electrical shops. For small voltmeter you need to go to specialised markets like alaba.

Or is there any device I can connect to it that would automatically stop charging once the volt gets to the 12.4V?

That's the job of a BMS.

I really appreciate your spirit. You noticed a problem, and you made an attempt to resolve it. I wish most Nigerians have your attitude. You are only doing it the wrong way without adequate information.

Your issue has given me a good business idea. I will start working on designing a lithium battery replacement for rechargeable fans. It should run electric fans for 24 hours non stop and last for at least 2 years.

dragnet:

hope you have a fire extinguisher nearby?

I couldn't agree more.

While they rarely explode, they have a knack for burning when you least expect it and probably when you wouldn't be there. Get a BMS, especially when mixing brands

SolnergyPower:
I think you should rather ask how he got it to work than this too many ways why-it-will-never-work.

It's a pretty straightforward connection. Literally plug-and-play. But that's not the contended issue.

wirinet:
The charger that came with the fan is a lead acid charger, which probably charge at about 13.9v. That's far too high for a 3S li-ion battery. At 13.9 each cell receives about 4.6v . That is a recipe for disaster. Your charging voltage should never exceed 12.6v. If you had connected through the BMS, you will not have any problem but you are connecting direct. You also seem to connect 3 of such laptop batteries in parallel, making the whole battery set up 3S6P.

I repeat get someone who is knowledgeable in lithium batteries to do the set up for you. I just pray the cells themselves are protected.

I disagree on that. He's charging within limits. Just that things can go wrong without warning. And with the low drain rate, imbalance is unlikely too. That doesn't mean his contraption is safe

hotdealz:
I think some cells were dead before I started using them cos I didn't throw any cell away from the dead laptop battery as I have no means of testing anything.

Also, I only charge it for 5hours whenever it needs to be recharged which is mostly once in a week cos I only use the fan at night when there is no nepa light for the ceiling fan and that 5hours charge can carry me for about 5 nights at average speed before the fan stops working and needs to be recharged.

I have been doing it that way for 3 months plus now. Unless if charging it for the 5hours can raise the battery voltage above the 12.6v maximum. But, the battery has never for once gotten hot. Can it still explode without getting hot?

Where do I get a volt display so I can always put it off when it gets to about 12.4V? Or is there any device I can connect to it that would automatically stop charging once the volt gets to the 12.4V?

mr kiekie can help with volt display

Saipro:

It's a pretty straightforward connection. Literally plug-and-play. But that's not the contended issue.


I disagree on that. He's charging within limits. Just that things can go wrong without warning. And with the low drain rate, imbalance is unlikely too. That doesn't mean his contraption is safe

I take God beg you don't confuse the guy and others.
If he is using the fan connection made for lead acid battery, he is not charging within limits. You need a minimum of 13.7v to adequately charge any 12v lead acid battery. Most use 14.4v and float charge at 13.7v. Now a 3 series li-ion battery should never be charged beyond 12.6v. So he is probably charging at over 1v above safety limits.
Use Google to check up on li-ion charging voltage if you do not know.

earthrealm:
While on this rechargeable fan issue.
The batt in mine crapped out.scoured the market..no luck.
Saw on AliExpress..but price is high and shipping another wahala.
This is a lithium battery, so does it imply that the fan has an internal bms??.
Am guess 3 cells in series..and probably 1 or 2 has died.the fan rarely worked up to 2hrs when fully charged....unlike it's lead acid brothers

Who can help me get a replacement??

i can build on for u, but i am far away at akwaibom - lagos guys can help, i am guessing you are in lagos

Saipro:

It's a pretty straightforward connection. Literally plug-and-play. But that's not the contended issue.


I disagree on that. [size=30pt][font=Lucida Sans Unicode]He's charging within limits[/size][/font]. Just that things can go wrong without warning. And with the low drain rate, imbalance is unlikely too. That doesn't mean his contraption is safe

He's charging within limits!!! NO

Braaad:


Hello, do you by any chance have replacement control board for the magnum (MS4124)??

Price: 100k

Contact,
Smartcellglobal services
081-350-319-51

earthrealm:
While on this rechargeable fan issue.
The batt in mine crapped out.scoured the market..no luck.
Saw on AliExpress..but price is high and shipping another wahala.
This is a lithium battery, so does it imply that the fan has an internal bms??.
Am guess 3 cells in series..and probably 1 or 2 has died.the fan rarely worked up to 2hrs when fully charged....unlike it's lead acid brothers

Who can help me get a replacement??

I can help you with a replacement.

Whatsapp 0.9.0.6.9.9.8.1.9.3.6

hotdealz:
I think some cells were dead before I started using them cos I didn't throw any cell away from the dead laptop battery as I have no means of testing anything.

Also, I only charge it for 5hours whenever it needs to be recharged which is mostly once in a week cos I only use the fan at night when there is no nepa light for the ceiling fan and that 5hours charge can carry me for about 5 nights at average speed before the fan stops working and needs to be recharged.

I have been doing it that way for 3 months plus now. Unless if charging it for the 5hours can raise the battery voltage above the 12.6v maximum. But, the battery has never for once gotten hot. Can it still explode without getting hot?

Where do I get a volt display so I can always put it off when it gets to about 12.4V? Or is there any device I can connect to it that would automatically stop charging once the volt gets to the 12.4V?

Hello it's 1500 - 2000 pending on DC volt range & qty

Contact,
Smartcellglobal services
081-350-319-51

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081-350-319-51

hotdealz:
I think some cells were dead before I started using them cos I didn't throw any cell away from the dead laptop battery as I have no means of testing anything.

Also, I only charge it for 5hours whenever it needs to be recharged which is mostly once in a week cos I only use the fan at night when there is no nepa light for the ceiling fan and that 5hours charge can carry me for about 5 nights at average speed before the fan stops working and needs to be recharged.

I have been doing it that way for 3 months plus now. Unless if charging it for the 5hours can raise the battery voltage above the 12.6v maximum. But, the battery has never for once gotten hot. Can it still explode without getting hot?

Where do I get a volt display so I can always put it off when it gets to about 12.4V? Or is there any device I can connect to it that would automatically stop charging once the volt gets to the 12.4V?

Bros, google is just a phone screen away. Just google what is li-ion battery. Better you have a basic knowledge of this thing you are fiddling with than learning with experience how brightly lithium fire burns.

Get the basics first, then you will ask the relevant questions.

Even if u decide to try some experiments, alteast u will be prepared for any possible eventualities.

We love you and we won't you to enjoy this Buhari era with us

Anybody using 2 units of HA02 balancer on a bank of 12v x 8 Batts?.
The diagram from the seller shows you can use only 1 unit. But am using 2 units, wondering if that's the probable cause for the imbalance in my bank. It's more pronounced when the Batts are depleted.when full...just 0.1v or 0.2v disparity.
When depleted upto 0.6v
my bank is arranged in 2 strings of 4 batts each, hooked up to a bus bar

Trippledots:


Bros, google is just a phone screen away. Just google what is li-ion battery. Better you have a basic knowledge of this thing you are fiddling with than learning with experience how brightly lithium fire burns.

Get the basics first, then you will ask the relevant questions.

Even if u decide to try some experiments, alteast u will be prepared for any possible eventualities.

We love you and we won't you to enjoy this Buhari era with us

One lesson that I have learnt over time is this. Why should I drink panadol over another person's headache.

It is amazing that despite all the good advice that you have given this young person they insist on what they think they know.

I have been doing customized lithium ion solutions for about 1 year. We initially did not use a BMS. We destroyed a few batteries but eventually the inevitable happened. Our client had a fire. The fire service had to break the door and they told the client that the fire had to extinguish itself. Our Chevy Volt Lithium Ion batteries had caught on fire. The smoke damage cost me almost N100k to clean. I have not painted the room yet or fixed the door that got broken. The charge controller got destroyed (Schneider) but we were lucky the Schneider SW inverter is still functioning.

Used laptop batteries have cells of different capacities. Some will charge and discharge much faster than others. It is just a matter of time before you get a problem with your fan and the batteries.
Pray that you are at home the day it happens.

earthrealm:
While on this rechargeable fan issue.
The batt in mine crapped out.scoured the market..no luck.
Saw on AliExpress..but price is high and shipping another wahala.
This is a lithium battery, so does it imply that the fan has an internal bms??.
Am guess 3 cells in series..and probably 1 or 2 has died.the fan rarely worked up to 2hrs when fully charged....unlike it's lead acid brothers

Who can help me get a replacement??

What's the name of your fan? Maybe I should buy your type instead and use normal laptop battery on it.

chris81964:


One lesson that I have learnt over time is this. Why should I drink panadol over another person's headache.

It is amazing that despite all the good advice that you have given this young person they insist on what they think they know.

I have been doing customized lithium ion solutions for about 1 year. We initially did not use a BMS. We destroyed a few batteries but eventually the inevitable happened. Our client had a fire. The fire service had to break the door and they told the client that the fire had to extinguish itself. Our Lithium Ion batteries had caught on fire. The smoke damage cost me almost N100k to clean. I have not painted the room yet or fixed the door that got broken. The charge controller got destroyed (Schneider) but we were lucky the Schneider SW inverter is still functioning.

Used laptop batteries have cells of different capacities. Some will charge and discharge much faster than others. It is just a matter of time before you get a problem with your fan and the batteries.
Pray that you are at home the day it happens.

Holy molly! thank goodness no life was lost. Na money waka so oh! Chaaaai!

I have a li-ion pack that isn't doing what it was designed to do so i repurposed it. I later got to learn that the builder didn't put a bms in a 70cell battery pack.... Well I'm currently using it very below its stated rating of charge and discharge but i still always have my heart in my mouth when it is connected. Maybe i go just go disconnect the darn thing sef.

wirinet:

I take God beg you don't confuse the guy and others.
If he is using the fan connection made for lead acid battery, he is not charging within limits. You need a minimum of 13.7v to adequately charge any 12v lead acid battery. Most use 14.4v and float charge at 13.7v. Now a 3 series li-ion battery should never be charged beyond 12.6v. So he is probably charging at over 1v above safety limits.
Use Google to check up on li-ion charging voltage if you do not know.

There is a charging light on the fan that turns from red to green when the lead acid battery that came with the fan is fully charged.

But since I replaced the battery with lithium battery, I don't charge till the charging light turns green. I strictly charge for 5hours and stop charging. The charging light still shows red indicating that I'm not charging at over 1v above safety limits.

wirinet:

I take God beg you don't confuse the guy and others.
If he is using the fan connection made for lead acid battery, he is not charging within limits. You need a minimum of 13.7v to adequately charge any 12v lead acid battery. Most use 14.4v and float charge at 13.7v. Now a 3 series li-ion battery should never be charged beyond 12.6v. So he is probably charging at over 1v above safety limits.
Use Google to check up on li-ion charging voltage if you do not know.

A pretty rash response but you're right. I didn't notice they were 3 in series. 12V battery packs for lithium are typically 4S and when I saw the comment on spot welding, I thought that's what he did. On looking through the pix, I discovered he merely adapted the power pack straight up - 3S.

By the way, I have all 3 common lithium chemistries so thanks for the Google tip but rather unnecessary.

hotdealz:
There is a charging light on the fan that turns from red to green when the lead acid battery that came with the fan is fully charged.

But since I replaced the battery with lithium battery, I don't charge till the charging light turns green. I strictly charge for 5hours and stop charging. The charging light still shows red indicating that I'm not charging at over 1v above safety limits.

CC CV charging so you're already breaking limits. You need to string them in series of 4 cells.

And with that, no more comments from me

Saipro:

CC CV charging so you're already breaking limits. You need to string them in series of 4 cells.

And with that, no more comments from me

I actually tried that but the charging light turns green too quickly within 30mins and doesn't blow for long at all. Once the charging light turns green, it is no longer charging. The fan has overcharging protection, which is at 14V.

4S battery would be fully charged at 16.8V that's 4.2V * 4. When not charged, battery is at 14.8V that's 3.7V * 4. So the fan charger was useless when battery was 4S cos it never charged beyond 14V.

chris81964:


One lesson that I have learnt over time is this. Why should I drink panadol over another person's headache.

It is amazing that despite all the good advice that you have given this young person they insist on what they think they know.

I have been doing customized lithium ion solutions for about 1 year. We initially did not use a BMS. We destroyed a few batteries but eventually the inevitable happened. Our client had a fire. The fire service had to break the door and they told the client that the fire had to extinguish itself. Our Lithium Ion batteries had caught on fire. The smoke damage cost me almost N100k to clean. I have not painted the room yet or fixed the door that got broken. The charge controller got destroyed (Schneider) but we were lucky the Schneider SW inverter is still functioning.

Used laptop batteries have cells of different capacities. Some will charge and discharge much faster than others. It is just a matter of time before you get a problem with your fan and the batteries.
Pray that you are at home the day it happens.

This picture reminds me to be wary of unverified chinko lithium products on aliexpress when I decide to go that route.

Everything that has been said about proponent of Lithium all goes to reaffirm my believe about the tech and why I still maintain that for DIY and mainstream solar user Lithium is not there yet. It is still too expensive, complicated and potentially dangerous. Yes advance in portable and mobile tech would not have been possible without lithium which is exactly where lithium shines best. Close loop applications where it is designed as a one piece solution with charging battery monitoring all built in and the whole system is offered as a one piece machine. This is what you get with a laptop and electric car and mobile phone. The lithium battery is part of a whole. It is what tesla offers and it is why tesla power pack sells. The thing about such systems is that they are very very expensive more expensive than even buying battery packs in isolation and then assembling it into a power backup solution.. In fact in middle income countries like Australia such systems are so expensive that they are ownship cost is spread over 4 to 10 years where the owner pay small small.

Now this does not mean u can not diy lithium it just means the level of skill and time required is very high and margin of error very very thing.. One bad move and if u are lucky your bank will fail other wise you are playing with fire.

Someone talked about finding the right BMS digging through the Chinese Market or getting an American brand then the right charger and right balancer this things are not easy and sometimes by the time u realise you have the wrong component it is already too late.. For lithium given the cost often time such mistakes can be very expensive. Same thing can not be said for lead which can be quite forgiven. You can assemble an offgrid bank easily and cheaply buying off the shelf components. Worse that can happen is your battery don't get improper charge and even this can be remedied if you notice quickly.

Lastly the notion that lithium will get cheaper as production ramps up is not backed by reality. Lithium is made from rare earth materials which are not easily available. This is why it is expensive in the first place. There are few places in the world with large deposit of lithium and as it becomes indemand the price would go down as producing becomes efficient up to a point then it will go up as demand begin to out stripe supply and we would be back to cartel system we see with oil where lithium countries try to control price to make more money.

Lithium has its applications no doubt especially with mobile tech ie laptop, phones, auto.. It is still a long way from being defacto standard for home use. And when I say long I am looking at 5 to 8 years. And the future of lithium lies in all in one closed loop systems not the voltron system we see with lead acid.

The only person who currently uses a lithium system for his offgrid on here got some of the best lithium battery cell and from a classified project.. That alone should tell you something.

wirinet:


The charger that came with the fan is a lead acid charger, which probably charge at about 13.9v. That's far too high for a 3S li-ion battery. At 13.9 each cell receives about 4.6v . That is a recipe for disaster. Your charging voltage should never exceed 12.6v. If you had connected through the BMS, you will not have any problem but you are connecting direct. You also seem to connect 3 of such laptop batteries in parallel, making the whole battery set up 3S6P.

I repeat get someone who is knowledgeable in lithium batteries to do the set up for you. I just pray the cells themselves are protected.

Here we go again, You are talking as if you even know the Brand of fan he is using, did you measure the Charging current and Charging voltage, the lead acid battery charger uses PWM charging profile so it starts at battery voltage and not 13.9V.
He has a new battery capacity is higher than the initial one @4.8AH. The fan charger also will have low current maximum 1A or less.

As far as his comments goes, he said the fan always stop working before he charge them again, That should tell you the fan has Some protection.

Dam5reey:
Here we go again, You are talking as if you even know the Brand of fan he is using, did you measure the Charging current and Charging voltage, the lead acid battery charger uses PWM charging profile so it starts at battery voltage and not 13.9V.
He has a new battery capacity is higher than the initial one @4.8AH. The fan charger also will have low current maximum 1A or less.

As far as his comments goes, he said the fan always stop working before he charge them again, That should tell you the fan has Some protection.

I think we should let this rest. I hope hotdealz has gotten the message - that it's cool he found a use for discarded laptop batteries and his setup might work, for now, but is a potentially very real hazard. It goes beyond having an Erisco Bonpet at the ready.

bigrovar:
Everything that has been said about proponent of Lithium all goes to reaffirm my believe about the tech and why I still maintain that for DIY and mainstream solar user Lithium is not there yet. It is still too expensive, complicated and potentially dangerous. Yes advance in portable and mobile tech would not have been possible without lithium which is exactly where lithium shines best. Close loop applications where it is designed as a one piece solution with charging battery monitoring all built in and the whole system is offered as a one piece machine. This is what you get with a laptop and electric car and mobile phone. The lithium battery is part of a whole. It is what tesla offers and it is why tesla power pack sells. The thing about such systems is that they are very very expensive more expensive than even buying battery packs in isolation and then assembling it into a power backup solution.. In fact in middle income countries like Australia such systems are so expensive that they are ownship cost is spread over 4 to 10 years where the owner pay small small.

Now this does not mean u can not diy lithium it just means the level of skill and time required is very high and margin of error very very thing.. One bad move and if u are lucky your bank will fail otherwise you are playing with fire.

Someone talked about finding the right BMS digging through the Chinese Market or getting an American brand then the right charger and right balancer this things are not easy and sometimes by the time u realise you have the wrong component it is already too late.. For lithium given the cost often time such mistakes can be very expensive. Same thing can not be said for lead which can be quite forgiven. You can assemble an offgrid bank easily and cheaply buying off the shelf components. Worse that can happen is your battery don't get improper charge and even this can be remedied if you notice quickly.

Lastly the notion that lithium will get cheaper as production ramps up is not backed by reality. Lithium is made from rare earth materials which are not easily available. This is why it is expensive in the first place. There are few places in the world with large deposit of lithium and as it becomes indemand the price would go down as producing becomes efficient up to a point then it will go up as demand begin to out stripe supply and we would be back to cartel system we see with oil where lithium countries try to control price to make more money.

Lithium has its applications no doubt especially with mobile tech ie laptop, phones, auto.. It is still a long way from being defacto standard for home use. And when I say long I am looking at 5 to 8 years. And the future of lithium lies in all in one closed loop systems not the voltron system we see with lead acid.

The only person who currently uses a lithium system for his offgrid on here got some of the best lithium battery cell and from a classified project.. That alone should tell you something.

T[b]he lithium raw material in a Li-ion battery is only a fraction of one cent per watt, or less than 1 percent of the battery cost. [/b]A $10,000 battery for a plug-in hybrid contains less than $100 worth of lithium. Shortages when producing millions of large batteries for vehicles and stationary applications could increase the price, but for now this is not the case.

https://batteryuniversity.com/learn/article/availability_of_lithium

The prices are bound to drop as the production ramps up and more players enter market - The cost of Lithium battery comes from clean production processes and not the raw materials
Attached is a nice video explaining the challenges .

That is the reason the semiconductor/ chip suppliers were ahead of the race ( Samsung, LG, Pansonic, Sony) but Chinese companies are catching up ( BYD... etc)


https://www.youtube.com/watch?v=z2819K8_m7c

AThe Bloomberg survey gives a nice overlook since 2012 -

https://about.bnef.com/blog/behind-scenes-take-lithium-ion-battery-prices/


P.s -Gambia is planning a 8 MWh battery bank to work with 20 MW PV power plant to offset the diesel production currently powering the country - Imagine trying to achieve that with lead acid and the environmental impact of such large quantities of lead

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pranil:


The lithium raw material in a Li-ion battery is only a fraction of one cent per watt, or less than 1 percent of the battery cost. A $10,000 battery for a plug-in hybrid contains less than $100 worth of lithium. Shortages when producing millions of large batteries for vehicles and stationary applications could increase the price, but for now this is not the case.

https://batteryuniversity.com/learn/article/availability_of_lithium

The prices are bound to drop as the production ramps up and more players enter market - The cost of Lithium battery comes from clean production processes and not the raw materials
Attached is a nice video explaining the challenges .

That is the reason the semiconductor/ chip suppliers were ahead of the race ( Samsung, LG, Pansonic, Sony) but Chinese companies are catching up ( BYD... etc)


https://www.youtube.com/watch?v=z2819K8_m7c

AThe Bloomberg survey gives a nice overlook since 2012 -

https://about.bnef.com/blog/behind-scenes-take-lithium-ion-battery-prices/


P.s -Gambia is planning a 8 MWh battery bank to work with 20 MW PV power plant to offset the diesel production currently powering the country - Imagine trying to achieve that with lead acid and the environmental impact of such large quantities of lead

God bless you. Battery technology had been stagnant for more than 1 and a half centuries since the discovery of lead acid, until the introduction of lithium chemistry. People are used to lead acid and it will take some time to get use to litgium, but the future of energy storage is lithium. Huge solar power plants cannot be effective without and effective storage batteries. It's virtually impossible to store Megawatts of electricity using lead acid.

pranil:


T[b]he lithium raw material in a Li-ion battery is only a fraction of one cent per watt, or less than 1 percent of the battery cost. [/b]A $10,000 battery for a plug-in hybrid contains less than $100 worth of lithium. Shortages when producing millions of large batteries for vehicles and stationary applications could increase the price, but for now this is not the case.

https://batteryuniversity.com/learn/article/availability_of_lithium

The prices are bound to drop as the production ramps up and more players enter market - The cost of Lithium battery comes from clean production processes and not the raw materials
Attached is a nice video explaining the challenges .

That is the reason the semiconductor/ chip suppliers were ahead of the race ( Samsung, LG, Pansonic, Sony) but Chinese companies are catching up ( BYD... etc)


https://www.youtube.com/watch?v=z2819K8_m7c

AThe Bloomberg survey gives a nice overlook since 2012 -

https://about.bnef.com/blog/behind-scenes-take-lithium-ion-battery-prices/


P.s -Gambia is planning a 8 MWh battery bank to work with 20 MW PV power plant to offset the diesel production currently powering the country - Imagine trying to achieve that with lead acid and the environmental impact of such large quantities of lead

Thanks for posting this. This is great news and makes me a bit more optimistic about Lithium although it does little to change my current stand that Lithium works best when procuredas an integrated all in one plug and play package. This is where it shines. We have a 150k dollars solar project at work and i am recommending we use lithium because at that scale and the money involved it is a no brainer. But for the average solar DIY Turnkey plug and play solutions are totally out of reach for now. And the time value of money and the huge thin margin of failure involved in assemblying lithium battery packs made up of different independent components clubbered together together to work as a unit is something I am not ready to dabble in. I don't have that much money to waste. The day we have a knock on wood lithium battery based solution plug and play and within reach then count me in. For now lithium would be solution for enterprise, large scale project, and specialised applications like mobile and auto where the economy of scale makes it a no brainer