About this product

Includes a 510 thread rechargeable lithium ion battery and USB charger – calibrated specifically for B40 Vape Cartridges (sold separately). The Back Forty Vape Battery & Charger includes a 510 thread rechargeable lithium ion battery and USB charger. The Back Forty Vape Battery is calibrated specifically for B40 Vape Cartridges (but can be used with many 510 carts) Back Forty Vape Cartridges are sold separately.