NCR2700B 20700 size cells.

The newest generation of rechargeable Li-ion batteries by Panasonic-Sanyo battery manufacturer.

NCR20700B Battery Specs:

• Model/Part number: NCR20700B

Capacity:

• Minimum 4050mAh
• Typical 4250mAh
• Rated 4000mAh
•  Nominal voltage 3.6V

Type:Li-ion

Min. - Max. Temperature:

• Charge 10 to +45°C
• Discharge -20 to +60°C
• Storage -20 to +50°C

 Charging:

• Charging Voltage: 4.20V
• Standard Charging Current: 2A (2000mA)
• Method: CC/CV
• Charging Time: approximately 180 minutes

Energy density:

• Volumetric 659 Wh/l
• Gravimetric 224 Wh/kg
• Energy density is calculated using bare cell dimensions (without tube).

Dimensions (With tube-wrap):

• Length Max. 70.3mm
• Diameter Max. 20.35mm
• Weight (max.) 63.0g
• Manufactured by Panasonic-Sanyo

External Protection: No, this is unprotected battery cell