The KeepPower 3500mAh 18650 Li-ion battery (model P1835J) is a high-quality, protected battery with "+" and "-" on the same pole. It offers 3.7V nominal voltage, 3500mAh capacity and protection against overcharging, deep discharge, overcurrent and short circuit. With over 500 charging cycles, it is durable and reliable.
| Power supply details | 3500 mAh, 18650 Li-Ion, 3,7 V |