Detailed Product Description

Lithium ion rechargeable battery, 26650 size, LiPF6 electrolyte, Manganese Spinel structure cathode.

High energy density lithium ion battery cell.

Cell capacity: 3.8V 4AH

Cell diameter: 26.24 ± 0.16 mm (top end), 26.16 ± 0.10 mm (bottom end)

Cell height: 65.05 + 0.10/-0.15 mm

Cell weight: 92g

Cell specifications 

1a Rated charge(4A) Limiting 4.0 A, 120 min and constant 4.2V charge at 23±2°C.

1b Recommended charge Reference 1a

2 Rated discharge Constant 0.8 A discharge until 2.5V at 23±2°C.

3 Rated capacity 4.0Ah Minimum of rated discharge capacity after recommended

charge.

4 Nominal voltage 3.8V Mean voltage during rated discharge after rated charge.

5 Shipping voltage 4.03±0.01V Nominal. Approximate state of charge = 80%.

6 Internal resistance at shipping 23±1 mΩ By AC 1 kHz.

7 End of charge voltage 4.20 ± 0.05V

8 End of discharge voltage 2.5V Discharge voltage used for determination of rated

capacity.

9 Charging time 120min Rated charge.

10 Maximum continuous charging current 6.5A

Maximum continuous discharging current 10A

Maximum pulse discharging current 40A

11 Operating temperature

Charging 0 ~ 45°C

Discharging -20 ~ 60°C

12 Storage temperature

-20 ~ 60°C

Recommended temperature for long term storage is

23±2°C

13 Shelf life 6 months Typical value at 23±2°C, from ship state.

14 Self-discharge rate /month ≤0.5%