LG B4 7S12P Specifications

Configuration	7S12P
Cell	LG ICR18650B4
Cell size	18650
Cell chemistry
Weight	4.0 kg
Length	24.33 cm
Width	2.30 cm
Height	47.45 cm
Charge voltage	29.40 V
End voltage	19.25 V
Capacity	31200 mAh
Maximum continuous discharge current	10 A
Charge current	10 A
Watts	252 W
Energy	786 Wh
Volumetric energy density	555.34 Wh/L
Gravimetric energy density	194.94 Wh/kg
Charge time	5 hours
Operating temperature	-20 ~ 60 °C

Size Variations

LG B4 7S12P 1-layer in parablock 1x12

Length	144.2 mm
Width	243.3 mm
Height	67.7 mm

LG B4 7S12P 1-layer in parablock 3x4

Length	426.96 mm
Width	81.66 mm
Height	67.66 mm

LG B4 7S12P 1-layer in parablock 4x3

Length	566.46 mm
Width	63.36 mm
Height	67.66 mm

LG B4 7S12P 1-layer in parablock 6x2

Length	849.24 mm
Width	43.14 mm
Height	67.64 mm

LG B4 7S12P 1-layer in parablock 12x1

Length	1697.6 mm
Width	22.9 mm
Height	67.6 mm

LG B4 7S12P 2-layer in parablock 2x6

Length	164.4 mm
Width	122.1 mm
Height	135.5 mm

LG B4 7S12P 2-layer in parablock 3x4

Length	245.2 mm
Width	81.7 mm
Height	135.5 mm

LG B4 7S12P 2-layer in parablock 1x12

Length	83.6 mm
Width	243.3 mm
Height	135.5 mm

LG B4 7S12P 2-layer in parablock 4x3

Length	324.1 mm
Width	63.4 mm
Height	135.5 mm

LG B4 7S12P 2-layer in parablock 6x2

Length	485.7 mm
Width	43.2 mm
Height	135.5 mm

LG B4 7S12P 2-layer in parablock 12x1

Length	970.46 mm
Width	22.96 mm
Height	135.46 mm

LG B4 7S12P 3-layer in parablock 2x6

Length	124 mm
Width	122.1 mm
Height	203.3 mm

LG B4 7S12P 3-layer in parablock 3x4

Length	184.6 mm
Width	81.7 mm
Height	203.3 mm

LG B4 7S12P 3-layer in parablock 4x3

Length	243.3 mm
Width	63.4 mm
Height	203.3 mm

LG B4 7S12P 3-layer in parablock 1x12

Length	63.4 mm
Width	243.3 mm
Height	203.3 mm

LG B4 7S12P 3-layer in parablock 6x2

Length	364.5 mm
Width	43.2 mm
Height	203.3 mm

LG B4 7S12P 3-layer in parablock 12x1

Length	728.1 mm
Width	23 mm
Height	203.3 mm

LG B4 7S12P 4-layer in parablock 2x6

Length	83.6 mm
Width	122.1 mm
Height	271.1 mm

LG B4 7S12P 4-layer in parablock 3x4

Length	124 mm
Width	81.7 mm
Height	271.1 mm

LG B4 7S12P 4-layer in parablock 4x3

Length	162.5 mm
Width	63.4 mm
Height	271.1 mm

LG B4 7S12P 4-layer in parablock 6x2

Length	243.3 mm
Width	43.2 mm
Height	271.1 mm

LG B4 7S12P 4-layer in parablock 1x12

Length	43.2 mm
Width	243.3 mm
Height	271.1 mm

LG B4 7S12P 4-layer in parablock 12x1

Length	485.7 mm
Width	23 mm
Height	271.1 mm

LG B4 7S12P 7-layer in parablock 2x6

Length	43.16 mm
Width	122.06 mm
Height	474.46 mm

LG B4 7S12P 7-layer in parablock 3x4

Length	63.36 mm
Width	81.66 mm
Height	474.46 mm

LG B4 7S12P 7-layer in parablock 4x3

Length	81.66 mm
Width	63.36 mm
Height	474.46 mm

LG B4 7S12P 7-layer in parablock 6x2

Length	122.06 mm
Width	43.16 mm
Height	474.46 mm

LG B4 7S12P 7-layer in parablock 1x12

Length	23 mm
Width	243.3 mm
Height	474.5 mm

LG B4 7S12P 7-layer in parablock 12x1

Length	243.3 mm
Width	23 mm
Height	474.5 mm

Calculations

Q. How to calculate the voltage for 7S12P LG B4 pack?

A. Take the nominal voltage of the LG B4 (3.6V) and multiply it by series connections (7) for a total of 25.20V.

Q. How to calculate the capacity and current for 7S12P 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 7S12P Battery Pack

LG B4 7S12P Specifications

Size Variations

Calculations