1.8.4V battery pack, 4400mAh 2. 4pcs 18650 li-thium battery 3.Lithium ion 18650 Battery Pack for Bike lights

Specifications:

1. 18650 Rechargeable Li-lion Battery Pack with protective circuit boar

2. Capability: 4400mAh

3. Voltage: 8.4V-12V

4. Working time: Continuous work more than 3 hours in high bright mode, more

than 30 hours in weak bright mode.

5. Battery lifespan: Can be charged 500-800 times

6. Weight: 0.2kg