510 Thread Battery - KVB0002

1. Feature: Bottom variable voltage

2. Battery Capacity: 350mAh

3. Variable Voltage: 3.3v-3.8v-4.3v-4.8v

4. Use: Quickly press the button 5 times to turn ON/OFF

Quickly press the button 2 times to preheat

5. Type-C fast charging

6. 15s preheat mode

7. Support OEM, easy to make your original design and packaging