- High-performance flat Efest battery, 2600mAh and 40A maximum discharge - Specially designed for electronic cigarettes and sub-ohm vape kits - Full 2600mAh capacity even under high current demand - Includes 2 protective sleeves and plastic case for added safety and transport - Prevent short circuits: do not store with metallic objects or in pockets or bags - Unprotected battery, requires responsible use to avoid over-discharge (not less than 2.5V, recommended 3V) - Nicotine-free product, suitable for users seeking power and reliability - Cartridge size compatible up to 2ml, ideal for advanced vapers