1. ENEL3E Batteries with Charger Set: 2400mAh EN-EL3e EN EL3e ENEL3e EL3E Batteries & Dual lcd Charger For Nikon D30 D50 D70 D70S D90 D80 D100 D200 D300 D300S 2. ENEL3E Batteries: 2 Pack EN-EL3E Replacement Battery cells: Li-ion. Capacity: 2400mAh Voltage: 7.4V, High Capacity 2400mAh can meet your day life use and travel need,lasting longer,power supply stable and fast charging. 3. Multi-Function Charger Case: Four-in-one charger is battery charger, (1)could be used as camera storage case to store 2 batteries for nikon d50. (2)and is 2 SD cards storage case(Note: The product does not contain SD card)(3)have a phone power bank function. (4)Can be used as a card reader to read camera memory card information. 4. Fast Charging/High Capacity: Charge batteries quickly and easily with the camera battery charger.It can charge one or two el3e batteries akku at once and has an input of DC 5V / 2A(Max) and an output of DC 7.4V/800mA(x1) DC 8.4V/600mA(x2).