Specifications: Capacity: 3000mAh Positive pin type: flat top Nominal voltage: 3.7 volts Max charging voltage: 4.2 volts Max charge current: 2A Max discharge current: 35A Warning: Please respect the maximum charge and discharge current values. Do not short circuit the battery. Always keep your batteries inside a box specifically made for this purpose, especially while travelling. If you do not use your battery for a while, make sure its current is superior to 2,5 volts.