- Working time: 3~6 hours
- input: 5V-1A
- Output: USB 5V-1A
- Color: Randomly
- Only Suitable for Unprotected Flat Top 18650 3.7V Li-ion battery
- In-built the function of over charge protection, over voltage protection, to protect your digital device and 18650 battery.
- Installing the battery must pay attention to the positive and negative, anti-loaded will burn, burned out is not returned.