N21700CH-58E (BAK) 21700 Li-Ion 5750mAh
BAK

N21700CH-58E

21700 Li-Ion 5750mAh rated
100%
of rated capacity
at 200mA
9
independent tests

This battery delivered 100% of its rated capacity (5766mAh tested vs 5750mAh rated) at 200mA. Higher current tests naturally yield lower capacity due to increased internal resistance.

200mA Mar 10, 2026 lowest current
5766mAh 100% of rated
500mA Mar 10, 2026
5840mAh
1A Mar 11, 2026
5800mAh
2A Mar 11, 2026
5649mAh
3A Mar 11, 2026
5615mAh
4A Mar 11, 2026
5669mAh
5A Mar 11, 2026
5686mAh
10A Mar 12, 2026
5760mAh
15A Mar 12, 2026
5815mAh
Capacity vs Current
Rated capacity 5.75 Ah
Rated energy 20.70 Wh
Cell voltage - Nominal 3.60 V
Charge cut-off voltage 4.20 V
Discharge cut-off voltage 2 V
Standard charge current 2.80 A
Maximum charge current 5.60 A
Maximum discharge current 11.20 A
Internal resistance ≤ 20 mΩ
Minimum charge temperature 0 °C
Maximum charge temperature 45 °C
Minimum discharge temperature -20 °C
Maximum discharge temperature 60 °C
Diameter (max) 21.70 mm
Height (max) 71 mm
Weight ~ 75 g