cell capacity: 3.8V 4Ah highest energy density cell level safe design cell weight: 92g only!! long lifespan

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%

 

Lithium Ion Battery Cell