Type Norminal capacity(mAh)
Minimum capacity
(mAh) Internal resistance (mΩ) Size(mm)
Voltage (V)
Weight (g)
Diameter×Height
18650 1100 1100 ≤15 18.1±0.2*64.7±0.3 3.2V 41
18650 1300 1300 ≤18 18.3±0.2*65±0.5 3.6V 42
1865 1400 1400 ≤50 18.1±0.2*64.5±0.5 3.2V 41
18650 1500 1500 ≤18 18.3±0.2*65±0.5 3.6V 42
18650 2000 2000 ≤18 18.2±0.2*65±0.5 3.6V 45
18650 2150 2150 ≤30 18.1±0.2*64.5±0.5 3.6V 42
18650 2200 2200 ≤60 18.1±0.2*64.7±0.3 3.6V 45
18650 2600 2600 ≤55 18.1±0.2*64.7±0.3 3.6V 45
18650 2800 2800 ≤60 18.2±0.3*64.5±0.5 3.7V 48.5
18490 1000 1000 ≤40 18.1±0.2*48.5±0.5 3.2V 29
18490 1400 1400 ≤70 18.1±0.2*48.5±0.5 3.6V 34
14500 750 750 ≤75 14.1±0.2*48.5±0.5 3.6V 20
14650 1000 1000 ≤70 14.1±0.2*64.5±0.5 3.6V 22
14430 400 400 ≤80 14.1±0.2*42.5±0.5 3.2V 16
14430 650 650 ≤85 14.1±0.2*42.5±0.5 3.7V 17
26650 2300 2300 ≤20 26.1±0.2*65±0.5 3.2V 70
26650 3000 3000 ≤30 26.1±0.2*65±0.5 3.2V 80
26650 3300 3300 ≤30 26.0±0.2*65±0.5 3.2V 85