Two Ultrafire® brand 18650 rechargeable batteries combined with a dual battery charger with a built-in flip-out wall plug. Charger appearance may be slightly different than that shown. Caution: Do not recharge disposable batteries in this charger.
Battery Specifications (each)
Capacity: 2400mAh (manufacturer rating)
Voltage: 3.7V (4.2V at full charge)
Protection circuit: No