enquirydon,
thanks but you didn't answer my first question: does this single laptop have all the
cores: i3, i5, i7 in one structure or are you referring to different machines?

ok, let me call you.

ok thanks for the clarifications.

i need one with fingerprint.

low calorie skyflakes crackers

doctorgold: check out this link http://www.vanguardngr.com/2012/11/expert-warns-on-dangers-of-pvc-building-materials/

doctorgold,
thanks for the link. i think the emphasis was all about fire risk and inhalation of toxic chemicals.

however, rather than just pinpoint the hazards, i think experts should try and come up with viable
and cost-effective alternatives to pvc for interiors. unless and until this is done, all the shouting
may well be on deaf ears.

enquirydon,
it seems this laptop has all the cores i3 to i7 in a single structure, how is that possible
or are you referring to different products?

also is this new or used?

enquirydon,
is this laptop still available?

hello topeby,
does this sony laptop have fingerprint reader and sd memory card slot?

i'm trying to decide btw this and the hp dv 6 1trb.

hello topeby,
is this 1trb hp dv6 laptop still available?

@ayolacz,
Kindly desist from spamming this thread. If you got something to sell, maybe you should think of opening
your own thread in technology marketplace:

https://www.nairaland.com/techmarket

Consider this a gentle advice.

lunsat,
ok, its worth a try. but really the multi-lnb set up on one dish would have been more
convenient for you, i think.

lunsat,
you want to move both dishes at the same time?

doctorgold,
so what is the best type of ceiling for residential?
just curious.

sweet okra soup + semovita!

@I Hacked,
Ok looks like I spoke too soon. Kindly keep us updated on developments.

Although the timing for all these looks too coincidental to me.

lurojohn,
i sent you a mail. kindly reply.

Looks like big brother is really up in arms this time.

Its like they're loosing market share to multiTv very

fast.

lurojohn,
i been trying to call you but your not picking your calls.
do you have an email address i can use?

bananas!

hello jayboskie7,
you normally size your solar array according to your battery bank and load usage and not according to
your inverter capacity.

what load do you plan to run and what is the duration? with that you can calculate the optimum size of
your battery bank and also the size of your solar array.

four students per room?

wao! that is quite interesting.

gmc,
thanks. i seen it. sent you another mail.

hello gmc.biz,
i sent you a mail.
kindly reply asap.

donkwa!

hello bodejohn,
you can charge your battery bank simultaneously with multiple charging sources including solar, wind, hydro,
public power, etc. that is what makes it a hybrid system. the most important consideration however is the system
voltage (your battery bank voltage). as long as all these charging inputs maintain the same voltage range as that
of the battery bank, there will be no conflicts at all. if you have more than one functional charging source, the
only thing you'll notice is that your batteries get full quicker and they always remain in a fully charged state.
now as for one source overriding the others, that doesn't happen as we are not talking voltage here but current.

for instance you have two solar charge controllers feeding current into a 48v battery bank. one is outputting 15a
and the other is puting out 25a; total solar charging current feeding into the bank will now be 35a at 48v. if there
is public power at the time and the inverter is also charging the batteries, let's say the inverter's charging
capacity is about 25a, combined charging current (solar + inverter) will now be 60a all at 48v battery voltage.
they continue to do this as battery voltage rises quickly with more current flowing in. after a while, depending on
the charging configuration of the solar charger and inverter, when the battery becomes full, either one of the charging
sources begins to knock off one after the other and go into float mode. what normally should have taken 6 to 8hrs for
a full charge now takes just 3hrs or less depending on the performance of the sources. in a hybrid system, no one
charging source will override the other contrary to your suggestion.

how does solar charging compare with charging via phcn? of course the better alternative is to always use grid power
(when available). however for those occasions when grid power is not available, solar comes in as the next best
option. grid power is not affected by weather, clouds, etc. for solar there are days when the sun only shines for
two or three hours max and you have to put up with rain or clouds for the rest of the day. again, with proper
system sizing you can always overcome this.

my panels are arranged on the roof because that is about the highest point on the building where they can have
unhindered access to sunlight. i don't clean them (although i would have loved to be able to do that). i rely on
the rains to do that for me. so far that method has been working fine.

ok thanks. let me call you.

fikfik,
thanks. fortunately i live in a neighbourhood comprising mainly of bungalows. the nearest storey
buildings are a bit far away.

as for phcn charges, i think you're right. as tarrifs go up, alternatives like solar suddenly begin
to make more sense. and, we haven't even gotten to the privatised electricity rates yet.

obijack: Hi George D,
great setup, well done. quick question. pls what is d highest safe voltage 4 {2}100ah battries in paralelle can charged upto because @ 13.4v my pwm controller starts pausing indicating that the battries are full.

obijack,
the highest safe voltage for a 12v battery should not exceed 13.4v so your pwm controller is correct when it
indicates your batteries are full at this voltage.

ok, normally a 12 Volt battery is fully charged with an at rest voltage of around 12.7 (+/- depending on manufacturer's specs).
to get there, deep cycle batteries need to be taken up to 14.2 to 14.8 (again depending on the particular battery) absorb voltage and held there to complete the charge.
then there's the float voltage which is a level that is maintained as long as possible to keep the system working well. this is usually around 13.8 volts and can be as low as the resting voltage. again it depends on the battery maker's numbers.

however, it all depends on the particular battery, how accurate your pwm charge controller is and of course your ambient temperature.

pdozie: @George,
Many thanks for the clarifications. Well understood

you're welcome.

idsolar: congratulation George D. truly i am impressed and challenging. you must hv reduce seriously your % dependence on NEPA. well we are gearing up too in the north here to follow suit. this is encouraging.

idsolar,
its been quite a while. yes, your observation is correct. with my present set up, i now routinely switch off
from public power especially during the day so as to enable me optimize solar harvest from my modules.

i pray the rest of us will be able to get up to this level in due course. amen.

hello sinetheta,
is the laptop on your list still available?

hello lurojohn,
is this 27k hp nc6000 laptop still available?