LG B4 5S12P Specifications

Configuration	5S12P
Cell	LG ICR18650B4
Cell size	18650
Cell chemistry
Weight	2.9 kg
Length	24.33 cm
Width	3.14 cm
Height	33.89 cm
Charge voltage	21.00 V
End voltage	13.75 V
Capacity	31200 mAh
Maximum continuous discharge current	5 A
Charge current	5 A
Watts	90 W
Energy	562 Wh
Volumetric energy density	555.90 Wh/L
Gravimetric energy density	195.14 Wh/kg
Charge time	5 hours
Operating temperature	-20 ~ 60 °C

Size Variations

LG B4 5S12P 1-layer in parablock 1x12

Length	112.2 mm
Width	243.3 mm
Height	67.7 mm

LG B4 5S12P 1-layer in parablock 3x4

Length	314.16 mm
Width	81.66 mm
Height	67.66 mm

LG B4 5S12P 1-layer in parablock 4x3

Length	415.16 mm
Width	61.46 mm
Height	67.66 mm

LG B4 5S12P 1-layer in parablock 6x2

Length	606.86 mm
Width	51.56 mm
Height	67.66 mm

LG B4 5S12P 1-layer in parablock 12x1

Length	1212.8 mm
Width	31.3 mm
Height	67.6 mm

LG B4 5S12P 2-layer in parablock 2x6

Length	132.4 mm
Width	122.1 mm
Height	135.5 mm

LG B4 5S12P 2-layer in parablock 3x4

Length	193 mm
Width	81.7 mm
Height	135.5 mm

LG B4 5S12P 2-layer in parablock 4x3

Length	253.6 mm
Width	61.5 mm
Height	135.5 mm

LG B4 5S12P 2-layer in parablock 1x12

Length	71.8 mm
Width	243.3 mm
Height	135.5 mm

LG B4 5S12P 2-layer in parablock 6x2

Length	364.5 mm
Width	51.6 mm
Height	135.5 mm

LG B4 5S12P 2-layer in parablock 12x1

Length	728.06 mm
Width	31.36 mm
Height	135.46 mm

LG B4 5S12P 3-layer in parablock 2x6

Length	92 mm
Width	122.1 mm
Height	203.3 mm

LG B4 5S12P 3-layer in parablock 3x4

Length	132.4 mm
Width	81.7 mm
Height	203.3 mm

LG B4 5S12P 3-layer in parablock 4x3

Length	172.8 mm
Width	61.5 mm
Height	203.3 mm

LG B4 5S12P 3-layer in parablock 6x2

Length	243.3 mm
Width	51.6 mm
Height	203.3 mm

LG B4 5S12P 3-layer in parablock 1x12

Length	51.6 mm
Width	243.3 mm
Height	203.3 mm

LG B4 5S12P 3-layer in parablock 12x1

Length	485.7 mm
Width	31.4 mm
Height	203.3 mm

LG B4 5S12P 5-layer in parablock 3x4

Length	71.76 mm
Width	81.66 mm
Height	338.86 mm

LG B4 5S12P 5-layer in parablock 4x3

Length	91.96 mm
Width	61.46 mm
Height	338.86 mm

LG B4 5S12P 5-layer in parablock 2x6

Length	51.6 mm
Width	122.1 mm
Height	338.9 mm

LG B4 5S12P 5-layer in parablock 6x2

Length	122.1 mm
Width	51.6 mm
Height	338.9 mm

LG B4 5S12P 5-layer in parablock 1x12

Length	31.4 mm
Width	243.3 mm
Height	338.9 mm

LG B4 5S12P 5-layer in parablock 12x1

Length	243.3 mm
Width	31.4 mm
Height	338.9 mm

Calculations

Q. How to calculate the voltage for 5S12P LG B4 pack?

A. Take the nominal voltage of the LG B4 (3.6V) and multiply it by series connections (5) for a total of 18.00V.

Q. How to calculate the capacity and current for 5S12P 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 5S12P Battery Pack

LG B4 5S12P Specifications

Size Variations

Calculations