Aspire NX30 battery. Exotic Carts 1g Sour Tangie sat. This is the 5th different brand of cartridge I've used with it and no failures. It's around $50 : r/bostontrees
Aspire NX30 2000 mAh Battery
BATTERY - ASPIRE NX30 ( Black )
Aspire NX30 Mod. 2000 mAh of power and 30w maximum output.