Samsung 50E 7S9P Battery Pack

INR21700-50E, 44Ah, 25.2V, 10A

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Samsung 50E 7S9P Specifications

Configuration 7S9P
Cell Samsung INR21700-50E
Cell size 21700
Cell chemistry
Weight 4.3 kg
Length 19.44 cm
Width 2.43 cm
Height 51.65 cm
Charge voltage 29.40 V
End voltage 17.50 V
Capacity 44100 mAh
Maximum continuous discharge current 10 A
Charge current 10 A
Watts 252 W
Energy 1111 Wh
Volumetric energy density 773.79 Wh/L
Gravimetric energy density 255.58 Wh/kg
Charge time 5 hours
Operating temperature -20 ~ 60 °C

Size Variations

Samsung 50E 7S9P 1-layer in parablock 3x3

Length 452.36 mm
Width 67.26 mm
Height 73.66 mm

Samsung 50E 7S9P 1-layer in parablock 9x1

Length 1355.3 mm
Width 24.2 mm
Height 73.6 mm

Samsung 50E 7S9P 2-layer in parablock 3x3

Length 260.8 mm
Width 65.4 mm
Height 147.5 mm

Samsung 50E 7S9P 2-layer in parablock 1x9

Length 88.8 mm
Width 194.4 mm
Height 147.5 mm

Samsung 50E 7S9P 2-layer in parablock 9x1

Length 774.9 mm
Width 24.3 mm
Height 147.5 mm

Samsung 50E 7S9P 3-layer in parablock 3x3

Length 196.3 mm
Width 65.4 mm
Height 221.3 mm

Samsung 50E 7S9P 3-layer in parablock 1x9

Length 67.3 mm
Width 194.4 mm
Height 221.3 mm

Samsung 50E 7S9P 3-layer in parablock 9x1

Length 581.4 mm
Width 24.3 mm
Height 221.3 mm

Samsung 50E 7S9P 4-layer in parablock 3x3

Length 131.8 mm
Width 65.4 mm
Height 295.1 mm

Samsung 50E 7S9P 4-layer in parablock 1x9

Length 45.8 mm
Width 194.4 mm
Height 295.1 mm

Samsung 50E 7S9P 4-layer in parablock 9x1

Length 387.9 mm
Width 24.3 mm
Height 295.1 mm

Samsung 50E 7S9P 7-layer in parablock 3x3

Length 67.26 mm
Width 65.36 mm
Height 516.46 mm

Samsung 50E 7S9P 7-layer in parablock 1x9

Length 24.3 mm
Width 194.4 mm
Height 516.5 mm

Samsung 50E 7S9P 7-layer in parablock 9x1

Length 194.4 mm
Width 24.3 mm
Height 516.5 mm

Calculations

Q. How to calculate the voltage for 7S9P Samsung 50E pack?

A. Take the nominal voltage of the Samsung 50E (3.6V) and multiply it by series connections (7) for a total of 25.20V.

Q. How to calculate the capacity and current for 7S9P 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.

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