Cell technical parameters of flp-50fe Performance requirements Rating voltage 3.2v Rating capacity 50ah Internal resistance < 1.5 m Limited charge voltage 3.70 0.05v Maximum charging current 2.0 c3a Charging mode cc/cv (constant current/constant voltage) Maximum discharging current 6.0 c3a Limited discharge voltage 2.000.05v (cell) Working temperature charging: 0 ~ 45 c discharging: -20 ~ 60c Storage temperature1 month: -20c - 60c 3 months: -20c - 45c 1 year: -20c - 25c Capacity recovery rate after storage is above 85% Relative humidity 6520% Weight about 1.9kg Dimension(mm) t:204 w:32.5 h:170 The battery appearance shall have no scratching, no flaw, no rust, no leak-out and other defects. Weight about 1.9kg Dimension(mm) t:204 w:32.5 h:170