Sanyo 20700 Single Battery
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20700 4250mAh 3.7v SINGLE Battery
The newest generation of rechargeable Li-ion batteries by Panasonic-Sanyo battery manufacturer.
Huge increase in capacity when compared to 18650 size.
This Li-ion 20700 battery is just 2 mm larger in diameter, and 5 mm longer than 18650 bare Li-ion cell.
Model/Part number: NCR20700B
Nominal voltage: 3.6V / 3.7V
Battery Type: Li-ion
Min. - Max. Temperature:
Charge 10 to +45°C
Discharge -20 to +60°C
Storage -20 to +50°C
Charging Voltage: 4.20V
Standard Charging Current: 2A (2000mA)
Charging Time: approximately 180 minutes
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
Positive terminal: Flat Top
External Protection: No, this is unprotected battery cell
Important Li-ion Battery Safety Instructions and Warnings:
You must carefully read, and comply with the safety instructions and precautions in this Safety Instructions guide before charging, using your battery.
Failure to read, and follow Li-ion safety instructions, and warnings may result in fire, personal injury, and property damages if battery is charged and/or used improperly.
Lithium-ion battery cells may get extremely hot, explode or ignite, and cause serious injury if exposed to abuse conditions.