Battery Grip Kit for Nikon D3100 D3200 D3300 Digital SLR Camera Includes Qty 2 Replacement EN-EL14 Batteries + Vertical Battery Grip + More!! ENEL14 EN-EL14 Li-ion Rechargeable Battery for Nikon D3100 D3200 D3300 Digital SLR Camera Battery Specifications - Energy Storage Capacity: 1500 mAh /Voltage: 7.4 volts, Chemistry: Li-ion 100% Memory Free Super Long Time Recording battery has a one-year warranty This battery is fully decoded and will function just like an original Nikon ENEL14 Battery Includes Vertical Battery Grip + Qty 2 ENEL14 Batteries + Micro Fiber Cleaning Cloth