Bike Battery Pack Box, Water Proof 7 Function Battery Case Box 8.4V USB Output, Charging Phone, for Lamp

The 18650 waterproof battery pack is mainly optimized based on the traditional 18650 8.4V lithium battery pack. This battery box has the 7 waterproof function. Suitable for kinds of context of use. Do not use spot welding battery, which can grtly reduce the internal resistance of the battery and improve the battery dis performance, thus effectively improving the battery life. Ftures: The 18650 waterproof battery pack is mainly optimized based on the traditional 18650 8.4V lithium battery pack. This battery box has the 7 waterproof function. Suitable for kinds of context of use. Do not use spot welding battery, which can grtly reduce the internal resistance of the battery and improve the battery dis performance, thus effectively improving the battery life. sy to use, this battery pack can use two or four or six 18650 lithium battery according to your needs. Have connector input and output voltage 8.4 V. USB connector output voltage 5V, current 2A, equipped with charging function of mobile phone. Supports power display function. Specifications: Condition: 100 Brand New and High Quality Material: Plastic Color: Black Size: Approx. 8.7 x 6.5 x 4.5cm / 3.4 x 2.6 x 1.8inch Waterproof: 7 Over- Voltage: 8.4V Over-dis Voltage: 5V Current Over-dis Voltage: 9V Awaiting Current: below 10ua USB Output Voltage: 5V+/-0.2 USB Output: . 2100mA Weight: Approx. 200g Packing List: 1 x Battery Case 1 x Strap