Finishing off the first half of the 18650 power wall.

Continuing the process of building my energy storage from old laptop and vacuum cleaner batteries. Soldering up the packs and getting them mounted on the wall ...... finally.
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/ spit2k1

[@The_OffGridFamily]

So much patience! Isn’t it always the way that these videos reduce weeks worth of work to a few minutes?! Makes it look so easy 😂 Enjoyed watching ☺️

[@DelforTecnoPrint3D.6730]

Hola. Un lindo trabajo. Saludos desde Argentina 🇦🇷.

[@nicholashowell]

Gracias. Sigue funcionando bien. :D

[@menimbamatahari170]

Yeah..that's lot of hard work, took months to finish my 6KWh..

[@ancelmosena9800]

Bien! Donde consigo los Fusibles de Hilo?

[@nicholashowell]

Google "0.1mm tinned copper wire"

[@ancelmosena9800]

@@nicholashowell Gracias

[@DIYwithBatteries]

This is going to be great Sir 👍

[@fredyorozco834]

Genial. En donde o que modelo se consiguen los balanciadores

[@nicholashowell]

DIYBMS kzbin.info/door/vEcFmJsOVobLYqUSZOQfsg

[@wasim21k]

did you try to spot weld fuse wire ? i m starting to build packs but thinking to spot weld 30 gauge fuse wire. how i m going to do this is still question, what gauge wire you are using? can you share the link if possible?

[@nicholashowell]

I haven't used a spot welder. I have provided a link to the fuse wire I used in reply to one of the comments below.

[@johnb4717]

Nice setup. I have seen others using larger wire, on the negative side, so only the positive fuse can blow, if shorted/over amped. Also, I am thinking of 3D printing different top battery holders, without the holding bits, of square plastic, so any failed battery can be easily replaced, going forward.

[@nicholashowell]

I'd have liked to have some kind of hooks but I don't have a 3D printer. I think that's a better way to go.

[@jakbroadway8572]

What bms are you using also what inverter? Are you running an off grid system?

[@nicholashowell]

I'm using several BMS. A normal ebike style BMS for over and under voltage protection and the DIYBMS for balancing. I'm using a MPPSolar off-grid inverter, similar to this one: www.mppsolar.com/v3/pip-mkx/

[@Betofraga]

Onde encontro estás bms individuais ? Que você colocou uma em cada bateria !

[@nicholashowell]

DIYBMS kzbin.info/door/vEcFmJsOVobLYqUSZOQfsg

[@Nhan-z4T]

What is the name of that balance circuit and where did you buy it?

[@nicholashowell]

DIYBMS kzbin.info/door/vEcFmJsOVobLYqUSZOQfsg

[@motec5]

I think i missed something, what is the reason for the pcb battery holder on the side of the battery pack?

[@nicholashowell]

Its a way to bolster up the weaker packs. If found that they are never quite the same and when you get to a low state of charge they diverge from each other rapidly. This gives me the ability to add a cell here and there to try and make them more similar.

[@3gd16]

What fuse wire did you use

[@nicholashowell]

I think I bought it from ebay. I can't find the exact one (Scientific Wire Company 0.1mm tinned copper wire) but here is something similar. www.ebay.co.uk/itm/161739696604