380mAh Preheating Battery with Voltage Adjustable Function
1. Model Name: eSmart Battery
2. Battery: 380mAh
3. Voltage:2.7V--3.1V--3.6V
4. Charger Port: 510 Thread
5. Weight:40g
6.Instruction:
   5 clicks to turn ON/OFF
   3 clicks to adjust voltage
   2 clicks to preheat hold for 15s
   1 click to stop preheat
7. OEM Service are welcomed: Logo Print&Packing Box

Packing: As Picture showed.

Please leave me messages for OEM package if you need, thank you.
 

If any problems, please directly contact with our saleman or leave us message, we will reply as fast as we can.