LG B4 8S12P Specifications

Configuration	8S12P
Cell	LG ICR18650B4
Cell size	18650
Cell chemistry
Weight	4.6 kg
Length	24.33 cm
Width	2.24 cm
Height	54.23 cm
Charge voltage	33.60 V
End voltage	22.00 V
Capacity	31200 mAh
Maximum continuous discharge current	10 A
Charge current	5 A
Watts	288 W
Energy	899 Wh
Volumetric energy density	555.78 Wh/L
Gravimetric energy density	195.10 Wh/kg
Charge time	5 hours
Operating temperature	-20 ~ 60 °C

Size Variations

LG B4 8S12P 1-layer in parablock 2x6

Length	324.1 mm
Width	123.4 mm
Height	67.7 mm

LG B4 8S12P 1-layer in parablock 3x4

Length	485.66 mm
Width	82.96 mm
Height	67.66 mm

LG B4 8S12P 1-layer in parablock 4x3

Length	647.26 mm
Width	62.76 mm
Height	67.66 mm

LG B4 8S12P 1-layer in parablock 6x2

Length	970.44 mm
Width	42.54 mm
Height	67.64 mm

LG B4 8S12P 1-layer in parablock 12x1

Length	1940 mm
Width	22.3 mm
Height	67.6 mm

LG B4 8S12P 2-layer in parablock 2x6

Length	162.5 mm
Width	123.4 mm
Height	135.5 mm

LG B4 8S12P 2-layer in parablock 3x4

Length	243.3 mm
Width	83 mm
Height	135.5 mm

LG B4 8S12P 2-layer in parablock 1x12

Length	81.7 mm
Width	244.6 mm
Height	135.5 mm

LG B4 8S12P 2-layer in parablock 4x3

Length	324.1 mm
Width	62.8 mm
Height	135.5 mm

LG B4 8S12P 2-layer in parablock 6x2

Length	485.7 mm
Width	42.6 mm
Height	135.5 mm

LG B4 8S12P 2-layer in parablock 12x1

Length	970.46 mm
Width	22.36 mm
Height	135.46 mm

LG B4 8S12P 3-layer in parablock 2x6

Length	122.1 mm
Width	123.4 mm
Height	203.3 mm

LG B4 8S12P 3-layer in parablock 3x4

Length	182.7 mm
Width	83 mm
Height	203.3 mm

LG B4 8S12P 3-layer in parablock 4x3

Length	243.3 mm
Width	62.8 mm
Height	203.3 mm

LG B4 8S12P 3-layer in parablock 1x12

Length	61.5 mm
Width	244.6 mm
Height	203.3 mm

LG B4 8S12P 3-layer in parablock 6x2

Length	364.5 mm
Width	42.6 mm
Height	203.3 mm

LG B4 8S12P 3-layer in parablock 12x1

Length	728.1 mm
Width	22.4 mm
Height	203.3 mm

LG B4 8S12P 4-layer in parablock 2x6

Length	81.7 mm
Width	123.4 mm
Height	271.1 mm

LG B4 8S12P 4-layer in parablock 3x4

Length	122.1 mm
Width	83 mm
Height	271.1 mm

LG B4 8S12P 4-layer in parablock 4x3

Length	162.5 mm
Width	62.8 mm
Height	271.1 mm

LG B4 8S12P 4-layer in parablock 6x2

Length	243.3 mm
Width	42.6 mm
Height	271.1 mm

LG B4 8S12P 4-layer in parablock 1x12

Length	41.3 mm
Width	244.6 mm
Height	271.1 mm

LG B4 8S12P 4-layer in parablock 12x1

Length	485.7 mm
Width	22.4 mm
Height	271.1 mm

LG B4 8S12P 8-layer in parablock 2x6

Length	41.26 mm
Width	123.36 mm
Height	542.26 mm

LG B4 8S12P 8-layer in parablock 3x4

Length	61.46 mm
Width	82.96 mm
Height	542.26 mm

LG B4 8S12P 8-layer in parablock 4x3

Length	81.66 mm
Width	62.76 mm
Height	542.26 mm

LG B4 8S12P 8-layer in parablock 6x2

Length	122.06 mm
Width	42.56 mm
Height	542.26 mm

LG B4 8S12P 8-layer in parablock 1x12

Length	21.1 mm
Width	244.6 mm
Height	542.3 mm

LG B4 8S12P 8-layer in parablock 12x1

Length	243.3 mm
Width	22.4 mm
Height	542.3 mm

Calculations

Q. How to calculate the voltage for 8S12P LG B4 pack?

A. Take the nominal voltage of the LG B4 (3.6V) and multiply it by series connections (8) for a total of 28.80V.

Q. How to calculate the capacity and current for 8S12P LG B4 pack?

A. Take the nominal capacity of the LG B4 (2.60Ah) and max. continuous discharge current (3.75 A) and multiply them by the parallel connections (12) for a total of 31.20Ah and 45A.

LG B4 8S12P Battery Pack

LG B4 8S12P Specifications

Size Variations

Calculations