LG B4 4S8P Specifications

Configuration	4S8P
Cell	LG ICR18650B4
Cell size	18650
Cell chemistry
Weight	1.5 kg
Length	16.25 cm
Width	2.24 cm
Height	27.11 cm
Charge voltage	16.80 V
End voltage	11.00 V
Capacity	20800 mAh
Maximum continuous discharge current	10 A
Charge current	5 A
Watts	144 W
Energy	300 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 4S8P 1-layer in parablock 1x8

Length	81.66 mm
Width	163.76 mm
Height	67.66 mm

LG B4 4S8P 1-layer in parablock 4x2

Length	324.04 mm
Width	42.54 mm
Height	67.64 mm

LG B4 4S8P 1-layer in parablock 8x1

Length	647.2 mm
Width	22.3 mm
Height	67.6 mm

LG B4 4S8P 2-layer in parablock 2x4

Length	81.66 mm
Width	82.96 mm
Height	135.46 mm

LG B4 4S8P 2-layer in parablock 4x2

Length	162.5 mm
Width	42.6 mm
Height	135.5 mm

LG B4 4S8P 2-layer in parablock 1x8

Length	41.3 mm
Width	163.8 mm
Height	135.5 mm

LG B4 4S8P 2-layer in parablock 8x1

Length	324.06 mm
Width	22.36 mm
Height	135.46 mm

LG B4 4S8P 4-layer in parablock 2x4

Length	41.26 mm
Width	82.96 mm
Height	271.06 mm

LG B4 4S8P 4-layer in parablock 4x2

Length	81.66 mm
Width	42.56 mm
Height	271.06 mm

LG B4 4S8P 4-layer in parablock 1x8

Length	21.1 mm
Width	163.8 mm
Height	271.1 mm

LG B4 4S8P 4-layer in parablock 8x1

Length	162.5 mm
Width	22.4 mm
Height	271.1 mm

Calculations

Q. How to calculate the voltage for 4S8P LG B4 pack?

A. Take the nominal voltage of the LG B4 (3.6V) and multiply it by series connections (4) for a total of 14.40V.

Q. How to calculate the capacity and current for 4S8P 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 4S8P Battery Pack

LG B4 4S8P Specifications

Size Variations

Calculations