Samsung 50E 2S9P Battery Pack

INR21700-50E, 44Ah, 7.2V, 10A

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Samsung 50E 2S9P Specifications

Configuration 2S9P
Cell Samsung INR21700-50E
Cell size 21700
Cell chemistry
Weight 1.2 kg
Length 19.44 cm
Width 2.37 cm
Height 14.75 cm
Charge voltage 8.40 V
End voltage 5.00 V
Capacity 44100 mAh
Maximum continuous discharge current 10 A
Charge current 5 A
Watts 72 W
Energy 318 Wh
Volumetric energy density 775.18 Wh/L
Gravimetric energy density 256.04 Wh/kg
Charge time 5 hours
Operating temperature -20 ~ 60 °C

Size Variations

Samsung 50E 2S9P 1-layer in parablock 1x9

Length 43.86 mm
Width 195.66 mm
Height 73.66 mm

Samsung 50E 2S9P 1-layer in parablock 9x1

Length 387.8 mm
Width 23.6 mm
Height 73.6 mm

Samsung 50E 2S9P 2-layer in parablock 3x3

Length 65.36 mm
Width 66.66 mm
Height 147.46 mm

Samsung 50E 2S9P 2-layer in parablock 1x9

Length 22.4 mm
Width 195.7 mm
Height 147.5 mm

Samsung 50E 2S9P 2-layer in parablock 9x1

Length 194.4 mm
Width 23.7 mm
Height 147.5 mm

Calculations

Q. How to calculate the voltage for 2S9P Samsung 50E pack?

A. Take the nominal voltage of the Samsung 50E (3.6V) and multiply it by series connections (2) for a total of 7.20V.

Q. How to calculate the capacity and current for 2S9P Samsung 50E pack?

A. Take the nominal capacity of the Samsung 50E (4.90Ah) and max. continuous discharge current (9.8 A) and multiply them by the parallel connections (9) for a total of 44.10Ah and 88.2A.

Built by Voltaplex Energy

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