Nominal capacity: 2.5 Brand: Shangjin Product type: high magnification, ultra-high magnification, low magnification, medium magnification, Other charging current: 0.5 cell standard: A cell product certification: UN38.3 MSDS shelf life: one year chemical type: ternary protection function: overcharge protection storage temperature: 20 ℃ weight: 37.5 charging voltage: 4.25~5 range of use: power storage product size: 9 * 35 * 60 charging operating temperature: 0~45 ℃ specification and model: 903560-2500 mAh battery type: polymer lithium battery charging time: 2~2.5 discharge operating temperature: - 10~65 ℃ nominal voltage: 3.7 Imported or not: not imported