No. Item Parameter 1 Nominal voltage 3.7V 2 rated capacity 3000-5000mah (0.2C discharge) three continuous operating current 1-3A 4 overcurrent protection value 2-5A (adjustable) 5 for equipment power ≤22W 6 overcharge protection voltage 4.50 ± 0.25V / Cell (optional) 7 discharge protection voltage 2.50 ± 0.25V / Cell (optional) 8 9 constant current charging mode 12.60-12.80V 10 maximum charge voltage charge current 2.0-4.0A 11 charging temperature 0 ~ 45 ℃, 45 ~ 85% RH 12 Discharge Temperature -20 ~ 55 ℃, 45 ~ 85% RH 13 Storage temperature and humidity range short-term: more than one month -20 ~ + 55 ℃, 45 ~ 85% RH mid-term: three months or more -20 ~ + 45 ℃, 45 ~ 85% RH Long term: within one year -5 ~ + 20 ℃, 45 ~ 85% RH 14 Dimensions height reference sample length of the reference sample thickness reference sample http: //18650huolan.1688 .com /