1100mAh Cartridges Pen Thread Battery - Variable Voltage USB Charger Carts Battery
Brand: XTriRanger

Five clicks turn the battery on and off, 3 clicks change the voltage from red 4.0V, Blue 3.7V, Green 3.2V, and 2 clicks pre-warms the battery.

Great battery life Long lasting 1100 mAh rechargeable battery, will last all day through moderate use.
Including Silver battery x1 and standard USB charger and free mouthpiece included as backup. Does not include a wall adapter.
Recognized charging status with the USB charger indicator during charging. Red indicator means charging.Green indicator means fully charged.
USB Quick Charge with Enhanced Heat Safety Flow Rate and Over Charge Protection.
This battery is compatible with many ⒌⒑ carts that have a resistance below 1.9 ohms which are not only top-venting but also with older-style, high resistance cartridges.