Features:
1. Operation: Long press the switch for 3 seconds to turn on 8.4V, long press the switch for 3 seconds to turn off 8.4V, short press to turn on 5V.
2. Battery removal: the ON direction is to open the cover, the OFF direction is to close the cover, it is easy to disassemble and install, please use excessive force to prevent unnecessary damage.
3.DC interface 8.4V output overcharge protection.
4. Intelligently monitor the charging process, automatically stop charging when fully charged, and will not charge the rechargeable battery. The flame-retardant material shell.
5. Mainly used in headlights. Bicycle Light. Power bank, charger.
6. Use a 5V/2A adapter to charge, according to the battery capacity about 5/9/18 hours to fully charge
7. When not in use for a long time, take out the replacement battery, only compatible with flat-head battery 
 
Notice:
Actual color may be slightly different from the image due to different monitor and light effect
Please allow 1-3cm deviation due to manual measurement
Description:
Size: 187X84X25MM
Material: Flame-retardant material shell
Capacity:4x batterie(not included), single capacity X4
Display: indicator light display
Purpose: portable charging for car lights, lithium battery charger
Waterproof: life waterproof
Input: 5V/2A type-c interface Micro interface
Output: 15V and 8.4V can be output at the same time
Protection: overcharge and overdischarge protection
 

Package List:
1x Battery Case