Contents 1 x Sony VTC4 18650 2100mAh Battery (may appear different from image) Features 18650 2100mAh 30 Amp discharge rate - ability to build lower resistance coils and therefore place less stress on the battery Type: Li-Mn Hybrid IMR Rated Capacity: 2100mAh (High Drain) Rechargeable Maximum Rated Discharging Current: 30A Storage Voltage: 3.7V Charging Voltage: 4.2V Diameter: 18.0 +/- 0.5mm Height: 65.0 +/- 0.5mm Note To ensure optimal battery performance, we advise that the battery contacts are regularly cleaned. Our electronic cigarette batteries contain micro-electronic circuitry and microprocessors. Users should store and handle these items with special care, and we advise our customers not to store their electronic cigarettes near metallic or magnetized objects, or electronic transmitting devices, such as keys and mobile phones and to avoid extremely high or low storage temperatures. Taking these precautions will help to increase the lifespan and functional use of your devices. Warranty For information regarding our terms and conditions for warranty please click here. There you will find warranty information for all of our products.