Specification of the 26650 flat-top battery:
Diameter: 26.7mm± 0.2mm
Lenght: 65.2mm ±0.3mm
Max. capacity: 5500mah (0.55C)
Min. capacity: ≥4900mah (0.5C)
Normal Voltage: 3.6V
Operated Voltage: 2.75V-3.7V
Standard Charge Current: 2500mA
Standard Charging model: cell is charged with constant current 0.5C-4.1 V, and it is converted to 4.2V constant voltage charging till the charging current is less than 0.01C (50mA)
Charging Operating temperature: 0℃-45℃
Discharging Operating temperature: -20℃-60℃
Storage temperature: -20℃-45℃
100% DOD cycle life: ≥ 1000 times