₦airaland Forum

yinkanig:
Used 18650 icr eve and Samsung cells cells in stock

Brand new 21700 5a in stock
Brand new 300ah prismatic cell
We design all kinds of diy for scotter bicycle and house house solar generators

Trippledots:
A silent observer here.

I just want to ask a general question.

Is there still any motivation to build 18650packs when it seems the price is already been rivaled by new LFP, factory made packs?

Tetralogyfallot...how much are your cells going for? To help give context to my question.

9ijaprince:
I'm wondering if an 80A BMS is too small for a 160Ah battery bank. Wouldn't that limit its performance? Just asking oga.

9ijaprince:
I'm wondering if an 80A BMS is too small for a 160Ah battery bank. Wouldn't that limit its performance? Just asking oga.

barezy:
Hello boss, can you please open the stuff I will like to see the I side, hopefully I can follow your your setup too.

Also what's the name of the container Incase of I want to buy it in the market

tetralogyfallot:
i don't have the picture of the inside box and it's already in the client's house. It's an industrial distribution board box, it comes in many sizes depending on what u want to build. Feel free to chat me for any

AndroBlaze:
I've used the charger before. Its a smart charger, doesn't go beyond 14.4v.

Trippledots:
Actually in the reverse order...battery to controller, controller to charger, charger to power source....na one day person de hear something new.

Trippledots:
Actually in the reverse order...battery to controller, controller to charger, charger to power source....na one day person de hear something new.

tetralogyfallot:
it's really a challenge but I still feel it's cheaper to build than to buy branded batteries, though it may also depnds on where n how u source your materials. Let's use 10Kwh battery as a case study. With your less than 1.5m u can build a very good quality 10kWh lithium pack, where can u get a branded battery for even 1.8m? The price of my good quality capacity tested 3.2Ah LG cells hovers around 1k downward depending on the quantity. So let's do the maths. U need just around 910pcs of cells, thats if u take the cells capacity as 3Ah to achieve 10Kwh which amounts to 910k, don't compromise on good quality bms, use a very good quality smart bms like JK, which price ranges between 150k to 200k depending on the capacity sha, some even come with upto 2A active balancers. Active balancer is a very important component in battery building i wonder why some battery builders ignore balancers, 5A active balancer is around 25k or even less depending on where u get them. The other consumables like nickel strips, voltage display meter, terminals and good casing may not even cost upto 100k. Totaling everything results to something less than 1.3m where u wan see good branded 10kWh lithium battery for that kain amount?

Elizkid:
What about the brainwork?

It takes precision and perfect know-how to solder 910 pieces of cylindric cells together without something going wrong.

dollarnaira:
Chief Tetralogyfallot

tetralogyfallot:
7s50p lithium ion built battery
Voltage: 25.9v
Capacity: 160Ah
Energy: 4kWh
BMS used: 80A
Active balancer: 1A
Pieces of cells used: 350pcs of 3.2A 18650 cells

Elizkid:
How do I do that?

My battery is 100ah lifepo4 12v

Elizkid:
So I can use it for 100ah 12v lifepo4 without any issues and it won’t trickle charge thinking my battery is lead?

dollarnaira:
It is difficult to pull 80a singly on a 12v system. The problem is, most don't know the use of a bms.

dollarnaira:
It is difficult to pull 80a singly on a 12v system. The problem is, most don't know the use of a bms.

fuckboys:
I’ve pulled 93 on Haisic 12v, powering my microwave

Trippledots:
A silent observer here.

I just want to ask a general question.

Is there still any motivation to build 18650packs when it seems the price is already been rivaled by new LFP, factory made packs?

Tetralogyfallot...how much are your cells going for? To help give context to my question.

Obnoxious2001:
It can work for lithium ion, but you will need a good BMS.



Aside from that you can reconstruct it to supply 12.6v for lithium ion charging

officialfestus:
To me, I no longer see need building the 18650 packs anymore, simply because the cost of building is almost equivalent to getting a new factory made LFP pack, and also the stress involved in building it.

dollarnaira:
Hybrid right?

Still searching for power efficient microwave and air fryer.

fuckboys:
there is, my inverter Samsung microwave is 700w.

dollarnaira:
Was is it this that pulled the above 93amp? What is the power surge pls?

officialfestus:
To me, I no longer see need building the 18650 packs anymore, simply because the cost of building is almost equivalent to getting a new factory made LFP pack, and also the stress involved in building it.

fuckboys:
no, max power is 700w. I had other appliances on while powering the microwave.

Sometimes I pull 100plus amps.

I'm already making budgets for a 48v system, 12v can't handle my power needs anymore.

fuckboys:
no, max power is 700w. I had other appliances on while powering the microwave.

Sometimes I pull 100plus amps.

I'm already making budgets for a 48v system, 12v can't handle my power needs anymore.

officialfestus:
is it possible to reconstruct the voltage to 12.6v with altering the amps?

ksmart027:
Please how is your bread inverter holding on? I'm considering getting the 3.5kva 24v inverter. What about the fan noise, i hope is not very loud

fuckboys:
fan noise not loud, but always on 24/7. Has a dual fan.

Fan only gets loud during sunny hours when it’s firing juice into your battery and when it’s powering loads 40% and above its rated capacity.

dollarnaira:
Try replace the fans with brushless ones from controllers to inverters.

fuckboys:
if it still works don’t fix it.