Samsung 25R 2S4P Battery Pack

INR18650-25R, 10Ah, 7.2V, 10A

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Samsung 25R 2S4P Specifications

Configuration 2S4P
Cell Samsung INR18650-25R
Cell size 18650
Cell chemistry
Weight 0.4 kg
Length 8.16 cm
Width 2.23 cm
Height 13.55 cm
Charge voltage 8.40 V
End voltage 5.00 V
Capacity 10000 mAh
Maximum continuous discharge current 10 A
Charge current 5 A
Watts 72 W
Energy 72 Wh
Volumetric energy density 526.18 Wh/L
Gravimetric energy density 200.00 Wh/kg
Charge time 5 hours
Operating temperature -20 ~ 75 °C

Size Variations

Samsung 25R 2S4P 1-layer in parablock 1x4

Length 41.2 mm
Width 82.9 mm
Height 67.65 mm

Samsung 25R 2S4P 1-layer in parablock 4x1

Length 162.4 mm
Width 22.3 mm
Height 67.65 mm

Samsung 25R 2S4P 2-layer in parablock 2x2

Length 41.16 mm
Width 42.46 mm
Height 135.46 mm

Samsung 25R 2S4P 2-layer in parablock 1x4

Length 21 mm
Width 82.9 mm
Height 135.5 mm

Samsung 25R 2S4P 2-layer in parablock 4x1

Length 81.6 mm
Width 22.3 mm
Height 135.5 mm

Calculations

Q. How to calculate the voltage for 2S4P Samsung 25R pack?

A. Take the nominal voltage of the Samsung 25R (3.6V) and multiply it by series connections (2) for a total of 7.20V.

Q. How to calculate the capacity and current for 2S4P Samsung 25R pack?

A. Take the nominal capacity of the Samsung 25R (2.50Ah) and max. continuous discharge current (20 A) and multiply them by the parallel connections (4) for a total of 10.00Ah and 80A.

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