LG B4 12S2P Specifications

Configuration	12S2P
Cell	LG ICR18650B4
Cell size	18650
Cell chemistry
Weight	1.2 kg
Length	4.11 cm
Width	2.22 cm
Height	81.33 cm
Charge voltage	50.40 V
End voltage	33.00 V
Capacity	5200 mAh
Maximum continuous discharge current	7.5 A
Charge current	5 A
Watts	324 W
Energy	225 Wh
Volumetric energy density	556.40 Wh/L
Gravimetric energy density	195.31 Wh/kg
Charge time	5 hours
Operating temperature	-20 ~ 60 °C

Size Variations

LG B4 12S2P 1-layer in parablock 2x1

Length	485.6 mm
Width	22.3 mm
Height	67.6 mm

LG B4 12S2P 2-layer in parablock 1x2

Length	122.06 mm
Width	42.56 mm
Height	135.46 mm

LG B4 12S2P 2-layer in parablock 2x1

Length	243.26 mm
Width	22.36 mm
Height	135.46 mm

LG B4 12S2P 3-layer in parablock 1x2

Length	81.66 mm
Width	42.56 mm
Height	203.26 mm

LG B4 12S2P 3-layer in parablock 2x1

Length	162.5 mm
Width	22.4 mm
Height	203.3 mm

LG B4 12S2P 4-layer in parablock 1x2

Length	61.4 mm
Width	42.5 mm
Height	271 mm

LG B4 12S2P 4-layer in parablock 2x1

Length	122.06 mm
Width	22.36 mm
Height	271.06 mm

LG B4 12S2P 6-layer in parablock 1x2

Length	41.16 mm
Width	42.46 mm
Height	406.56 mm

LG B4 12S2P 6-layer in parablock 2x1

Length	81.6 mm
Width	22.3 mm
Height	406.6 mm

LG B4 12S2P 12-layer in parablock 1x2

Length	20.94 mm
Width	42.44 mm
Height	813.34 mm

LG B4 12S2P 12-layer in parablock 2x1

Length	41.14 mm
Width	22.24 mm
Height	813.34 mm

Calculations

Q. How to calculate the voltage for 12S2P 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 12S2P 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 (2) for a total of 5.20Ah and 7.5A.

LG B4 12S2P Battery Pack

LG B4 12S2P Specifications

Size Variations

Calculations