Features of 345mah preheat & voltage adjust battery:
* Compatible with all 510 thread cartridges
* Preheating function
* Adjustable voltage function
* Button LED light indications:
Red – 3.6V
Blue — 3.1V
White— 2.7V
* How to use 510 vape pen battery?
5 clicks to turn ON/OFF
3 clicks to adjust voltage
2 clicks to preheat lasts 15s
1 click to stop preheat
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