Panasonic B 3S12P Specifications

Configuration	3S12P
Cell	Panasonic NCR20700B
Cell size	20700
Cell chemistry
Weight	2.3 kg
Length	24.51 cm
Width	2.25 cm
Height	21.98 cm
Charge voltage	12.60 V
End voltage	7.50 V
Capacity	51000 mAh
Maximum continuous discharge current	10 A
Charge current	5 A
Watts	108 W
Energy	551 Wh
Volumetric energy density	669.72 Wh/L
Gravimetric energy density	242.95 Wh/kg
Charge time	5 hours
Operating temperature	-20 ~ 60 °C

Size Variations

Panasonic B 3S12P 1-layer in parablock 3x4

Length	184.01 mm
Width	83.56 mm
Height	73.16 mm

Panasonic B 3S12P 1-layer in parablock 4x3

Length	245.06 mm
Width	63.21 mm
Height	73.16 mm

Panasonic B 3S12P 1-layer in parablock 1x12

Length	61.91 mm
Width	246.36 mm
Height	73.16 mm

Panasonic B 3S12P 1-layer in parablock 6x2

Length	367.14 mm
Width	42.84 mm
Height	73.14 mm

Panasonic B 3S12P 1-layer in parablock 12x1

Length	733.4 mm
Width	22.45 mm
Height	73.1 mm

Panasonic B 3S12P 2-layer in parablock 2x6

Length	82.3 mm
Width	124.3 mm
Height	146.5 mm

Panasonic B 3S12P 2-layer in parablock 3x4

Length	123 mm
Width	83.6 mm
Height	146.5 mm

Panasonic B 3S12P 2-layer in parablock 4x3

Length	163.7 mm
Width	63.25 mm
Height	146.5 mm

Panasonic B 3S12P 2-layer in parablock 6x2

Length	245.1 mm
Width	42.9 mm
Height	146.5 mm

Panasonic B 3S12P 2-layer in parablock 1x12

Length	41.6 mm
Width	246.4 mm
Height	146.5 mm

Panasonic B 3S12P 2-layer in parablock 12x1

Length	489.3 mm
Width	22.55 mm
Height	146.5 mm

Panasonic B 3S12P 3-layer in parablock 2x6

Length	41.56 mm
Width	124.26 mm
Height	219.76 mm

Panasonic B 3S12P 3-layer in parablock 3x4

Length	61.91 mm
Width	83.56 mm
Height	219.76 mm

Panasonic B 3S12P 3-layer in parablock 4x3

Length	82.26 mm
Width	63.21 mm
Height	219.76 mm

Panasonic B 3S12P 3-layer in parablock 6x2

Length	122.96 mm
Width	42.86 mm
Height	219.76 mm

Panasonic B 3S12P 3-layer in parablock 1x12

Length	21.25 mm
Width	246.4 mm
Height	219.8 mm

Panasonic B 3S12P 3-layer in parablock 12x1

Length	245.1 mm
Width	22.55 mm
Height	219.8 mm

Calculations

Q. How to calculate the voltage for 3S12P Panasonic B pack?

A. Take the nominal voltage of the Panasonic B (3.6V) and multiply it by series connections (3) for a total of 10.80V.

Q. How to calculate the capacity and current for 3S12P Panasonic B pack?

A. Take the nominal capacity of the Panasonic B (4.25Ah) and max. continuous discharge current (20 A) and multiply them by the parallel connections (12) for a total of 51.00Ah and 240A.

Panasonic B 3S12P Battery Pack

Panasonic B 3S12P Specifications

Size Variations

Calculations