Recent content by rickysticky

make sure the polarity is correct when wiring for charging, and only charge for 30 min max

i ripped apart my battery carefully, charged each group of cells in 3.7 v with a 5 volt usb iPhone charger, i just cut end of usb cord and wired it to the battery cells and let each group charge for 30 min, i had 3 groups in my 9 cell battery pack so took hour and 30 min to boost a charge in the...