Specifications: Model: BH-042100-01U Weight: 35 g Power Mode: Normal USB Power Input Voltage: DC 5V 1-2A Output Voltage: DC 4.2V 1000mA Size: 31 * 34 * 105mm Battery Compatible Model: 10440 14500 16340 16650 14650 18350 18500 18650 Provided: 1 x Battery Charger