Samsung 40T 12S21P Specifications

Configuration	12S21P
Cell	Samsung INR21700-40T
Cell size	21700
Cell chemistry
Weight	17.6 kg
Length	45.24 cm
Width	2.24 cm
Height	87.95 cm
Charge voltage	50.40 V
End voltage	30.00 V
Capacity	84000 mAh
Maximum continuous discharge current	10 A
Charge current	10 A
Watts	432 W
Energy	3629 Wh
Volumetric energy density	579.52 Wh/L
Gravimetric energy density	205.73 Wh/kg
Charge time	5 hours
Operating temperature	-20 ~ 60 °C

Size Variations

Samsung 40T 12S21P 1-layer in parablock 3x7

Length	774.9 mm
Width	151.4 mm
Height	73.2 mm

Samsung 40T 12S21P 1-layer in parablock 7x3

Length	1806.86 mm
Width	65.36 mm
Height	73.16 mm

Samsung 40T 12S21P 1-layer in parablock 21x1

Length	5418.8 mm
Width	22.3 mm
Height	73.1 mm

Samsung 40T 12S21P 2-layer in parablock 3x7

Length	387.9 mm
Width	151.4 mm
Height	146.5 mm

Samsung 40T 12S21P 2-layer in parablock 1x21

Length	129.9 mm
Width	452.4 mm
Height	146.5 mm

Samsung 40T 12S21P 2-layer in parablock 7x3

Length	903.9 mm
Width	65.4 mm
Height	146.5 mm

Samsung 40T 12S21P 2-layer in parablock 21x1

Length	2709.9 mm
Width	22.4 mm
Height	146.5 mm

Samsung 40T 12S21P 3-layer in parablock 3x7

Length	258.9 mm
Width	151.4 mm
Height	219.8 mm

Samsung 40T 12S21P 3-layer in parablock 1x21

Length	86.9 mm
Width	452.4 mm
Height	219.8 mm

Samsung 40T 12S21P 3-layer in parablock 7x3

Length	602.9 mm
Width	65.4 mm
Height	219.8 mm

Samsung 40T 12S21P 3-layer in parablock 21x1

Length	1806.9 mm
Width	22.4 mm
Height	219.8 mm

Samsung 40T 12S21P 4-layer in parablock 3x7

Length	194.4 mm
Width	151.4 mm
Height	293.1 mm

Samsung 40T 12S21P 4-layer in parablock 7x3

Length	452.4 mm
Width	65.4 mm
Height	293.1 mm

Samsung 40T 12S21P 4-layer in parablock 1x21

Length	65.4 mm
Width	452.4 mm
Height	293.1 mm

Samsung 40T 12S21P 4-layer in parablock 21x1

Length	1355.4 mm
Width	22.4 mm
Height	293.1 mm

Samsung 40T 12S21P 6-layer in parablock 3x7

Length	129.9 mm
Width	151.4 mm
Height	439.7 mm

Samsung 40T 12S21P 6-layer in parablock 7x3

Length	301.9 mm
Width	65.4 mm
Height	439.7 mm

Samsung 40T 12S21P 6-layer in parablock 1x21

Length	43.9 mm
Width	452.4 mm
Height	439.7 mm

Samsung 40T 12S21P 6-layer in parablock 21x1

Length	903.9 mm
Width	22.4 mm
Height	439.7 mm

Samsung 40T 12S21P 12-layer in parablock 3x7

Length	65.4 mm
Width	151.4 mm
Height	879.5 mm

Samsung 40T 12S21P 12-layer in parablock 7x3

Length	151.4 mm
Width	65.4 mm
Height	879.5 mm

Samsung 40T 12S21P 12-layer in parablock 1x21

Length	22.4 mm
Width	452.4 mm
Height	879.5 mm

Samsung 40T 12S21P 12-layer in parablock 21x1

Length	452.4 mm
Width	22.4 mm
Height	879.5 mm

Calculations

Q. How to calculate the voltage for 12S21P Samsung 40T pack?

A. Take the nominal voltage of the Samsung 40T (3.6V) and multiply it by series connections (12) for a total of 43.20V.

Q. How to calculate the capacity and current for 12S21P 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 (21) for a total of 84.00Ah and 945A.

Samsung 40T 12S21P Battery Pack

Samsung 40T 12S21P Specifications

Size Variations

Calculations