Model NO Nominal Capacity
(mAh)
Voltage
(V)
Dimension Approx Weight
(g)
Internal Impedance
(mΩ)
Max Discharge Current
T
±0.2 mm 
W
±0.5 mm 
L
±1.0 mm
Max Discharge Current Burst Discharge Current Cut-off Voltage (V)
F6542125SP-2500 2500 3.2 ≤6.8 43 126 68 ≤4.5 25C 50C 2.5
F1142125SP-4000 4000 3.2 ≤11.0 43 127 108.59 ≤3 25C 50C 2.5
F70160220-20000 20000 3.2 ≤7.0 159 220 457 ≤3.0 25C 50C 2.5