LG B4 4S2P Battery Pack

ICR18650B4, 5Ah, 14.4V, 7.5A

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LG B4 4S2P Specifications

Configuration 4S2P
Cell LG ICR18650B4
Cell size 18650
Cell chemistry
Weight 0.4 kg
Length 4.11 cm
Width 2.22 cm
Height 27.09 cm
Charge voltage 16.80 V
End voltage 11.00 V
Capacity 5200 mAh
Maximum continuous discharge current 7.5 A
Charge current 5 A
Watts 108 W
Energy 75 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 4S2P 1-layer in parablock 2x1

Length 162.4 mm
Width 22.3 mm
Height 67.6 mm

LG B4 4S2P 2-layer in parablock 1x2

Length 41.16 mm
Width 42.46 mm
Height 135.36 mm

LG B4 4S2P 2-layer in parablock 2x1

Length 81.6 mm
Width 22.3 mm
Height 135.4 mm

LG B4 4S2P 4-layer in parablock 1x2

Length 20.94 mm
Width 42.44 mm
Height 270.94 mm

LG B4 4S2P 4-layer in parablock 2x1

Length 41.14 mm
Width 22.24 mm
Height 270.94 mm

Calculations

Q. How to calculate the voltage for 4S2P 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 4S2P 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.

Built by Voltaplex Energy

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