Samsung 33G 7S9P Battery Pack

INR18650-33G, 28Ah, 25.2V, 10A

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Samsung 33G 7S9P Specifications

Configuration 7S9P
Cell Samsung INR18650-33G
Cell size 18650
Cell chemistry
Weight 3.0 kg
Length 18.27 cm
Width 2.30 cm
Height 47.73 cm
Charge voltage 29.40 V
End voltage 17.50 V
Capacity 28350 mAh
Maximum continuous discharge current 10 A
Charge current 10 A
Watts 252 W
Energy 714 Wh
Volumetric energy density 654.04 Wh/L
Gravimetric energy density 236.11 Wh/kg
Charge time 5 hours
Operating temperature -20 ~ 60 °C

Size Variations

Samsung 33G 7S9P 1-layer in parablock 3x3

Length 425.06 mm
Width 63.36 mm
Height 68.06 mm

Samsung 33G 7S9P 1-layer in parablock 9x1

Length 1273.4 mm
Width 22.9 mm
Height 68 mm

Samsung 33G 7S9P 2-layer in parablock 3x3

Length 243.3 mm
Width 63.4 mm
Height 136.3 mm

Samsung 33G 7S9P 2-layer in parablock 1x9

Length 83.6 mm
Width 182.7 mm
Height 136.3 mm

Samsung 33G 7S9P 2-layer in parablock 9x1

Length 728.06 mm
Width 22.96 mm
Height 136.26 mm

Samsung 33G 7S9P 3-layer in parablock 3x3

Length 182.7 mm
Width 63.4 mm
Height 204.5 mm

Samsung 33G 7S9P 3-layer in parablock 1x9

Length 63.4 mm
Width 182.7 mm
Height 204.5 mm

Samsung 33G 7S9P 3-layer in parablock 9x1

Length 546.3 mm
Width 23 mm
Height 204.5 mm

Samsung 33G 7S9P 4-layer in parablock 3x3

Length 122.1 mm
Width 63.4 mm
Height 272.7 mm

Samsung 33G 7S9P 4-layer in parablock 1x9

Length 43.2 mm
Width 182.7 mm
Height 272.7 mm

Samsung 33G 7S9P 4-layer in parablock 9x1

Length 364.5 mm
Width 23 mm
Height 272.7 mm

Samsung 33G 7S9P 7-layer in parablock 3x3

Length 61.46 mm
Width 61.46 mm
Height 477.26 mm

Samsung 33G 7S9P 7-layer in parablock 1x9

Length 23 mm
Width 182.7 mm
Height 477.3 mm

Samsung 33G 7S9P 7-layer in parablock 9x1

Length 182.7 mm
Width 23 mm
Height 477.3 mm

Calculations

Q. How to calculate the voltage for 7S9P Samsung 33G pack?

A. Take the nominal voltage of the Samsung 33G (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 33G pack?

A. Take the nominal capacity of the Samsung 33G (3.15Ah) and max. continuous discharge current (6.5 A) and multiply them by the parallel connections (9) for a total of 28.35Ah and 58.5A.

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