LG HD2C 12S21P Specifications

Configuration	12S21P
Cell	LG 18650HD2C
Cell size	18650
Cell chemistry
Weight	12.1 kg
Length	42.51 cm
Width	2.24 cm
Height	81.83 cm
Charge voltage	50.40 V
End voltage	30.00 V
Capacity	44100 mAh
Maximum continuous discharge current	10 A
Charge current	5 A
Watts	438 W
Energy	1932 Wh
Volumetric energy density	437.67 Wh/L
Gravimetric energy density	159.72 Wh/kg
Charge time	5 hours
Operating temperature	-20 ~ 70 °C

Size Variations

LG HD2C 12S21P 1-layer in parablock 1x21

Length	243.3 mm
Width	425.1 mm
Height	70.4 mm

LG HD2C 12S21P 1-layer in parablock 3x7

Length	728.1 mm
Width	142.3 mm
Height	70.4 mm

LG HD2C 12S21P 1-layer in parablock 3x7

Length	728.1 mm
Width	142.3 mm
Height	70.4 mm

LG HD2C 12S21P 2-layer in parablock 21x1

Length	2546.06 mm
Width	22.36 mm
Height	136.26 mm

LG HD2C 12S21P 2-layer in parablock 1x21

Length	124.4 mm
Width	425.1 mm
Height	136.3 mm

LG HD2C 12S21P 2-layer in parablock 1x21

Length	124.4 mm
Width	425.1 mm
Height	136.3 mm

LG HD2C 12S21P 2-layer in parablock 3x7

Length	364.5 mm
Width	144.6 mm
Height	136.3 mm

LG HD2C 12S21P 2-layer in parablock 3x7

Length	364.5 mm
Width	144.6 mm
Height	136.3 mm

LG HD2C 12S21P 2-layer in parablock 1x21

Length	124.4 mm
Width	425.1 mm
Height	136.3 mm

LG HD2C 12S21P 3-layer in parablock 3x7

Length	245.6 mm
Width	142.3 mm
Height	204.5 mm

LG HD2C 12S21P 3-layer in parablock 3x7

Length	245.6 mm
Width	142.3 mm
Height	204.5 mm

LG HD2C 12S21P 3-layer in parablock 3x7

Length	245.6 mm
Width	142.3 mm
Height	204.5 mm

LG HD2C 12S21P 3-layer in parablock 1x21

Length	84 mm
Width	425.1 mm
Height	204.5 mm

LG HD2C 12S21P 3-layer in parablock 1x21

Length	84 mm
Width	425.1 mm
Height	204.5 mm

LG HD2C 12S21P 4-layer in parablock 1x21

Length	63.8 mm
Width	425.1 mm
Height	272.7 mm

LG HD2C 12S21P 4-layer in parablock 21x1

Length	1273.5 mm
Width	22.4 mm
Height	272.7 mm

LG HD2C 12S21P 4-layer in parablock 3x7

Length	185 mm
Width	142.3 mm
Height	272.7 mm

LG HD2C 12S21P 4-layer in parablock 3x7

Length	185 mm
Width	142.3 mm
Height	272.7 mm

LG HD2C 12S21P 4-layer in parablock 7x3

Length	425.1 mm
Width	62.8 mm
Height	272.7 mm

LG HD2C 12S21P 4-layer in parablock 3x7

Length	185 mm
Width	142.3 mm
Height	272.7 mm

LG HD2C 12S21P 6-layer in parablock 3x7

Length	124.4 mm
Width	142.3 mm
Height	409.1 mm

LG HD2C 12S21P 6-layer in parablock 3x7

Length	124.4 mm
Width	142.3 mm
Height	409.1 mm

LG HD2C 12S21P 6-layer in parablock 1x21

Length	43.6 mm
Width	425.1 mm
Height	409.1 mm

LG HD2C 12S21P 6-layer in parablock 3x7

Length	124.4 mm
Width	142.3 mm
Height	409.1 mm

LG HD2C 12S21P 6-layer in parablock 21x1

Length	849.3 mm
Width	22.4 mm
Height	409.1 mm

LG HD2C 12S21P 12-layer in parablock 3x7

Length	63.8 mm
Width	142.3 mm
Height	818.3 mm

LG HD2C 12S21P 12-layer in parablock 7x3

Length	142.3 mm
Width	62.8 mm
Height	818.3 mm

LG HD2C 12S21P 12-layer in parablock 3x7

Length	63.8 mm
Width	142.3 mm
Height	818.3 mm

LG HD2C 12S21P 12-layer in parablock 3x7

Length	63.8 mm
Width	142.3 mm
Height	818.3 mm

LG HD2C 12S21P 12-layer in parablock 21x1

Length	425.1 mm
Width	22.4 mm
Height	818.3 mm

Calculations

Q. How to calculate the voltage for 12S21P LG HD2C pack?

A. Take the nominal voltage of the LG HD2C (3.65V) and multiply it by series connections (12) for a total of 43.80V.

Q. How to calculate the capacity and current for 12S21P LG HD2C pack?

A. Take the nominal capacity of the LG HD2C (2.10Ah) and max. continuous discharge current (20 A) and multiply them by the parallel connections (21) for a total of 44.10Ah and 420A.

LG HD2C 12S21P Battery Pack

LG HD2C 12S21P Specifications

Size Variations

Calculations