The SeshGear Matrix 2500mAh Battery is a replacement battery unit for the SeshGear Matrix Wax Multi-Mod. This unit has an easy to use OLED display where you can adjust between three modes (Watt, Mech and Temperature control). A magnetic cover makes it easy to change out the 18650 2500mAh Mouthpiece Battery. Each unit includes a micro-USB charging cable which can recharge the battery in 1.5 to 2 hours. Covered by a 6 month limited warranty.