Battery Specifications: 100% brand new 18650 3.7V Li-ion 10000mAh rechargeable batteries Perfect for Flashlight, RC toy or electronic gadgets 100% QC of every battery Capacity: 10000mAh Voltage: 3.7V Chemistry: Li-ion Recharge: up to 1000 cycles Charger Feature: Input : AC100-240v/47-63HZ output: 1.2V/700mA 4.2V/600mA support battery size long up to 71mm diameter up to 19mm For : 14500 18650 CR123 (16340) Weight:~54g Rechargeable Times: Up to 1000 times No memory effect Package Included: 6 x 18650 3.7V Li-ion 10000mAh rechargeable batteries 1 x 18650, 17650, 17670, 18670 Li-ion battery charger