Rechargeable Li-ion Battery 4200mAh 3.7V
Ultrofite 18650 Li-ion Lithium 3.7v 4200mAh Rechargeable BatteryLi-ion LithiumCapacity: 4200mAhVoltage: 3.7V
Use it for toys, laser pens, flashlights, rechargeable bulbs and more…