Brass Knuckles | 510 Batteries | The OG Battery | Golden

Details

The OG Battery (Golden)
650mAh: stores more charge and more power

How to Use:

Power On/Off: Press the top button 5 times.

Voltage Settings: Press 3 times to cycle through: White (3.2V), Green (3.7V), Blue (4.1V).

Preheat Mode: Press 2 times (10-second countdown on the OLED screen).

Auto Shut-Off: Exceeds 10 seconds, blinks 5 times, then powers off.

Low Battery: Screen flashes 10 times.

Charging: Type-C port (bottom); LED turns white when charging and stops when fully charged.