Originally Posted by sloshedmr_bones
do you have to drain the cells to .9a to solder them first cuz if they are charged couldn't they explode. Solder then then charger the pack when your done?
No. 99.9pc of cells are not sold in this condition.
I got some sub C IB4200WC loose cells and charged them at 6amps on their first charge with no problems AT ALL.
Just solder them up and charge them.
Its how you look after them AFTER their 1st charge that matters.
I use Team TEKIN's discharge tray to discharge my cells, then charge them as soon after I need them for my racing.
The most important thing is to keep the cells with some charge in them inbetween usage. It is the #1 MAIN thing to keep the cells in good shape.