LG B4 12S8P Specifications

Configuration	12S8P
Cell	LG ICR18650B4
Cell size	18650
Cell chemistry
Weight	4.6 kg
Length	2.34 cm
Width	16.25 cm
Height	81.35 cm
Charge voltage	50.40 V
End voltage	33.00 V
Capacity	20800 mAh
Maximum continuous discharge current	10 A
Charge current	10 A
Watts	432 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 12S8P 1-layer in parablock 2x4

Length	485.66 mm
Width	82.96 mm
Height	67.66 mm

LG B4 12S8P 1-layer in parablock 1x8

Length	243.3 mm
Width	162.5 mm
Height	70 mm

LG B4 12S8P 1-layer in parablock 4x2

Length	970.44 mm
Width	42.54 mm
Height	67.64 mm

LG B4 12S8P 1-layer in parablock 8x1

Length	1940 mm
Width	22.3 mm
Height	67.6 mm

LG B4 12S8P 2-layer in parablock 1x8

Length	122.1 mm
Width	162.5 mm
Height	135.5 mm

LG B4 12S8P 2-layer in parablock 1x8

Length	122.1 mm
Width	162.5 mm
Height	135.5 mm

LG B4 12S8P 2-layer in parablock 8x1

Length	970.46 mm
Width	22.36 mm
Height	135.46 mm

LG B4 12S8P 2-layer in parablock 2x4

Length	243.3 mm
Width	83 mm
Height	135.5 mm

LG B4 12S8P 2-layer in parablock 1x8

Length	122.1 mm
Width	162.5 mm
Height	135.5 mm

LG B4 12S8P 3-layer in parablock 2x4

Length	162.5 mm
Width	83 mm
Height	203.3 mm

LG B4 12S8P 3-layer in parablock 4x2

Length	324.1 mm
Width	42.6 mm
Height	203.3 mm

LG B4 12S8P 3-layer in parablock 1x8

Length	84 mm
Width	162.5 mm
Height	203.3 mm

LG B4 12S8P 3-layer in parablock 1x8

Length	84 mm
Width	162.5 mm
Height	203.3 mm

LG B4 12S8P 3-layer in parablock 8x1

Length	647.3 mm
Width	22.4 mm
Height	203.3 mm

LG B4 12S8P 4-layer in parablock 1x8

Length	63.8 mm
Width	162.5 mm
Height	271.1 mm

LG B4 12S8P 4-layer in parablock 1x8

Length	63.8 mm
Width	162.5 mm
Height	271.1 mm

LG B4 12S8P 4-layer in parablock 4x2

Length	243.3 mm
Width	42.6 mm
Height	271.1 mm

LG B4 12S8P 4-layer in parablock 8x1

Length	485.7 mm
Width	22.4 mm
Height	271.1 mm

LG B4 12S8P 4-layer in parablock 1x8

Length	63.8 mm
Width	162.5 mm
Height	271.1 mm

LG B4 12S8P 6-layer in parablock 1x8

Length	43.6 mm
Width	162.5 mm
Height	406.7 mm

LG B4 12S8P 6-layer in parablock 4x2

Length	162.5 mm
Width	42.6 mm
Height	406.7 mm

LG B4 12S8P 6-layer in parablock 2x4

Length	81.66 mm
Width	82.96 mm
Height	406.66 mm

LG B4 12S8P 6-layer in parablock 1x8

Length	43.6 mm
Width	162.5 mm
Height	406.7 mm

LG B4 12S8P 6-layer in parablock 1x8

Length	43.6 mm
Width	162.5 mm
Height	406.7 mm

LG B4 12S8P 12-layer in parablock 1x8

Length	23.4 mm
Width	162.5 mm
Height	813.5 mm

LG B4 12S8P 12-layer in parablock 8x1

Length	162.5 mm
Width	22.4 mm
Height	813.5 mm

LG B4 12S8P 12-layer in parablock 2x4

Length	41.26 mm
Width	82.96 mm
Height	813.46 mm

LG B4 12S8P 12-layer in parablock 4x2

Length	81.66 mm
Width	42.56 mm
Height	813.46 mm

LG B4 12S8P 12-layer in parablock 1x8

Length	23.4 mm
Width	162.5 mm
Height	813.5 mm

LG B4 12S8P 12-layer in parablock 1x8

Length	23.4 mm
Width	162.5 mm
Height	813.5 mm

Calculations

Q. How to calculate the voltage for 12S8P LG B4 pack?

A. Take the nominal voltage of the LG B4 (3.6V) and multiply it by series connections (12) for a total of 43.20V.

Q. How to calculate the capacity and current for 12S8P 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 (8) for a total of 20.80Ah and 30A.

LG B4 12S8P Battery Pack

LG B4 12S8P Specifications

Size Variations

Calculations