Can anyone help identify this cell?
It is out of a 2AH Dewalt battery pack.
I am unsure if it was an original or knock off battery pack.
Text from the side reads:
On the bottom it says: 5U04
A friend has to replace his previous lead acid battery bank.
He is looking at 6 ofthese:
His previous battery bank has failed...
I had an interesting scenario, first about my power wall.
It is 7S80P, made from cells ranging from 2.5AH down to 1.6AH because that's all I had.
It has 2 MPT-7210A charge controllers, a 60A Chinesium BMS and a DC circuit breaker before the 6KWinverter.
I charge the packs to 28.7V (7 x 4.1). It...
Has anyone done anything with laptop li-po packs?
I have used 180 of a different typewith some success, but I have another 100 (PA5136U-1BRS) from portege z30 which I can't find how the power good signal works. Am contemplating selling the lot or dismantling them and rebuilding into packs, but...
Hello all, I am Nathan fromthe Sunshine Coast, QLD.
I'm an Electronic / IT technician, bit of an inventor and tinkerer jack of all trades,will have a go at anything.
Working on an off grid type setup at the moment.
Need more 18650's! HELP ME! :D
I live in a rural area, the first things I did when I started my off grid journeywas convert my lights to DC and change my water pump to an Ozito 36W 12VDC 600L/hr pump.
The pump runs off my spare car battery collection (probably just 1 would be necessary), seperate to the rest of...