400mAh Extended Battery Capacity
Variable Voltage Functionality
510 USB Charger Included
NOTE: This battery is NOT compatible with any Coil Monster 510 products. This is meant to be exclusively used with "510 Cartridges"
We are so sure that you will love our products here at Coil Monster and offer our 100% satisfaction guarantee. If you have a problem with your order and no one else can help, please Contact Us directly and we will do OUR Coil Monster GUARANTEE BEST to make things right for you.