18650 3.7v Li-ion Rechargeable Battery*2 with Free Case Grade a Quality/flashlight Battery/ Electronic Vaping Replacement Battery/ Li-ion Replacement Battery Batteries comes with Free Plastic Case Included Electronic Vaping replacement battery with 100% compatible exceed or equal OEM quality, best battery on Amazon Flashlight replacement battery with 100% compatible 2600mAh capacity and 12 Month manufacture Warranty