Nominal capacity: 2500mAh Brand: other product types: medium rate charging current: 1A Product certification: MSDS shelf life: 6 Protection function: storage temperature with explosion-proof valve: normal temperature weight: 47g charging voltage: 4.2V Range of use: power energy storage product size: 18 * 65mm Specification and model: 18650/2500mah Battery type: cylindrical lithium battery Nominal voltage: 3.7V