Samsung 40T 21S18P Battery Pack

INR21700-40T, 72Ah, 75.6V, 10A

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Samsung 40T 21S18P Specifications

Configuration 21S18P
Cell Samsung INR21700-40T
Cell size 21700
Cell chemistry
Weight 26.5 kg
Length 4.39 cm
Width 19.44 cm
Height 153.92 cm
Charge voltage 88.20 V
End voltage 52.50 V
Capacity 72000 mAh
Maximum continuous discharge current 10 A
Charge current 10 A
Watts 756 W
Energy 5443 Wh
Volumetric energy density 579.47 Wh/L
Gravimetric energy density 205.71 Wh/kg
Charge time 5 hours
Operating temperature -20 ~ 60 °C

Size Variations

Samsung 40T 21S18P 1-layer in parablock 3x6

Length 1355.4 mm
Width 129.9 mm
Height 73.2 mm

Samsung 40T 21S18P 1-layer in parablock 2x9

Length 903.9 mm
Width 194.4 mm
Height 73.2 mm

Samsung 40T 21S18P 2-layer in parablock 3x6

Length 710.4 mm
Width 129.9 mm
Height 146.5 mm

Samsung 40T 21S18P 2-layer in parablock 1x18

Length 237.4 mm
Width 387.9 mm
Height 146.5 mm

Samsung 40T 21S18P 2-layer in parablock 6x3

Length 1419.9 mm
Width 65.4 mm
Height 146.5 mm

Samsung 40T 21S18P 2-layer in parablock 9x2

Length 2129.4 mm
Width 43.9 mm
Height 146.5 mm

Samsung 40T 21S18P 4-layer in parablock 2x9

Length 258.9 mm
Width 194.4 mm
Height 293.1 mm

Samsung 40T 21S18P 4-layer in parablock 6x3

Length 774.9 mm
Width 65.4 mm
Height 293.1 mm

Samsung 40T 21S18P 4-layer in parablock 18x1

Length 2322.9 mm
Width 22.4 mm
Height 293.1 mm

Samsung 40T 21S18P 5-layer in parablock 1x18

Length 108.4 mm
Width 387.9 mm
Height 366.4 mm

Samsung 40T 21S18P 5-layer in parablock 2x9

Length 215.9 mm
Width 194.4 mm
Height 366.4 mm

Samsung 40T 21S18P 5-layer in parablock 18x1

Length 1935.9 mm
Width 22.4 mm
Height 366.4 mm

Samsung 40T 21S18P 5-layer in parablock 3x6

Length 323.4 mm
Width 129.9 mm
Height 366.4 mm

Samsung 40T 21S18P 6-layer in parablock 9x2

Length 774.9 mm
Width 43.9 mm
Height 439.7 mm

Samsung 40T 21S18P 6-layer in parablock 3x6

Length 258.9 mm
Width 129.9 mm
Height 439.7 mm

Samsung 40T 21S18P 6-layer in parablock 2x9

Length 172.9 mm
Width 194.4 mm
Height 439.7 mm

Samsung 40T 21S18P 6-layer in parablock 1x18

Length 86.9 mm
Width 387.9 mm
Height 439.7 mm

Samsung 40T 21S18P 6-layer in parablock 18x1

Length 1548.9 mm
Width 22.4 mm
Height 439.7 mm

Samsung 40T 21S18P 7-layer in parablock 2x9

Length 129.9 mm
Width 194.4 mm
Height 513 mm

Samsung 40T 21S18P 7-layer in parablock 18x1

Length 1161.9 mm
Width 22.4 mm
Height 513 mm

Samsung 40T 21S18P 7-layer in parablock 3x6

Length 194.4 mm
Width 129.9 mm
Height 513 mm

Samsung 40T 21S18P 7-layer in parablock 9x2

Length 581.4 mm
Width 43.9 mm
Height 513 mm

Samsung 40T 21S18P 7-layer in parablock 1x18

Length 65.4 mm
Width 387.9 mm
Height 513 mm

Samsung 40T 21S18P 11-layer in parablock 18x1

Length 774.9 mm
Width 22.4 mm
Height 806.2 mm

Samsung 40T 21S18P 11-layer in parablock 6x3

Length 258.9 mm
Width 65.4 mm
Height 806.2 mm

Samsung 40T 21S18P 11-layer in parablock 3x6

Length 129.9 mm
Width 129.9 mm
Height 806.2 mm

Samsung 40T 21S18P 11-layer in parablock 1x18

Length 43.9 mm
Width 387.9 mm
Height 806.2 mm

Samsung 40T 21S18P 11-layer in parablock 9x2

Length 387.9 mm
Width 43.9 mm
Height 806.2 mm

Samsung 40T 21S18P 21-layer in parablock 6x3

Length 129.9 mm
Width 65.4 mm
Height 1539.2 mm

Samsung 40T 21S18P 21-layer in parablock 2x9

Length 43.9 mm
Width 194.4 mm
Height 1539.2 mm

Calculations

Q. How to calculate the voltage for 21S18P Samsung 40T pack?

A. Take the nominal voltage of the Samsung 40T (3.6V) and multiply it by series connections (21) for a total of 75.60V.

Q. How to calculate the capacity and current for 21S18P Samsung 40T pack?

A. Take the nominal capacity of the Samsung 40T (4.00Ah) and max. continuous discharge current (45 A) and multiply them by the parallel connections (18) for a total of 72.00Ah and 810A.

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