A very useful accessory for you￡? with water-resistant and durable rubber case￡? can be used for bicycle light￡? headlamp￡? etc.?

Features:?
Portable and large capacity.?
This battery pack is made up with 4 batteries.?
Original TrustFire replacement battery pack for headlamp and bicycle lamp.?
Waterproof design with the special waterproof connector and durable rubber case.?

Specifications:?
Model:18650 battery pack(4*18650)?
Material: Lithium?
Voltage: 8.4V?
Capacity: 4800mAh?
Charging time: 5-6 hours??
Rechargeable times: Up to 300 times?
Item weight: 239g / 8.43oz?
Item size: Approx. 7.8 * 4.1 * 4.1cm / 3.07 * 1.61 * 1.61in?

Package List:?
1 * 18650 Rechargeable Lithium Battery Pack?
1 * Battery Pack Bag