Li-ion 18500 Keeppower 2000mAh, protected

A quality rechargeable, protected li-ion battery with a capacity of 2040mAh. This battery is ideal for headlamps or powerful bicycle lights. The battery uses an original Panasonic NCR18500A cell to which a protective circuit has been added. The capacity of 2040mAh is absolutely real, measured and confirmed by us. The battery is fully charged up to 4.2V and can be safely discharged down to 2.5V. It has a protective circuit to protect the battery from undercharging, overcharging and short-circuiting  - protected against all eventualities. The cell's nominal (average) voltage is 3.6V.

Typ. capacity: 2040mAh

Battery chemistry: Li-Ion, battery cell with protection IC

Nominal voltage: 3.6V

Charging: only with dedicated charger and CC/CV algorythm, std. 0.7C (=1.4A), max. charging voltage 4.2V

Weight: 33.5gr.

Dimensions (diameter x length): 18.5mm x 52.5mm

Internal resistance: 110 mOhm

Detailed test: https://lygte-info.dk/review/batteries2012/Panasonic%20NCR18500A%202040mAh%20(Green)%20UK.html

Detailed test: https://lygte-info.dk/review/batteries2012/Keeppower%2018500%202000mAh%20P1850C2%20(Black)%202019%20UK.html

Datasheet of Panasonic original cell: PDF 0.1MB