Panasonic B 12S2P Specifications

Configuration	12S2P
Cell	Panasonic NCR18650B
Cell size	18650
Cell chemistry
Weight	1.2 kg
Length	4.11 cm
Width	2.22 cm
Height	81.93 cm
Charge voltage	50.40 V
End voltage	30.00 V
Capacity	6700 mAh
Maximum continuous discharge current	9.75 A
Charge current	3.25 A
Watts	421 W
Energy	289 Wh
Volumetric energy density	686.37 Wh/L
Gravimetric energy density	248.28 Wh/kg
Charge time	5 hours
Operating temperature	-20 ~ 60 °C

Size Variations

Panasonic B 12S2P 1-layer in parablock 2x1

Length	485.6 mm
Width	22.3 mm
Height	68.1 mm

Panasonic B 12S2P 2-layer in parablock 1x2

Length	122.06 mm
Width	42.56 mm
Height	136.46 mm

Panasonic B 12S2P 2-layer in parablock 2x1

Length	243.26 mm
Width	22.36 mm
Height	136.46 mm

Panasonic B 12S2P 3-layer in parablock 1x2

Length	81.66 mm
Width	42.56 mm
Height	204.76 mm

Panasonic B 12S2P 3-layer in parablock 2x1

Length	162.5 mm
Width	22.4 mm
Height	204.8 mm

Panasonic B 12S2P 4-layer in parablock 1x2

Length	61.4 mm
Width	42.5 mm
Height	273 mm

Panasonic B 12S2P 4-layer in parablock 2x1

Length	122.06 mm
Width	22.36 mm
Height	273.06 mm

Panasonic B 12S2P 6-layer in parablock 1x2

Length	41.16 mm
Width	42.46 mm
Height	409.56 mm

Panasonic B 12S2P 6-layer in parablock 2x1

Length	81.6 mm
Width	22.3 mm
Height	409.6 mm

Panasonic B 12S2P 12-layer in parablock 1x2

Length	20.94 mm
Width	42.44 mm
Height	819.34 mm

Panasonic B 12S2P 12-layer in parablock 2x1

Length	41.14 mm
Width	22.24 mm
Height	819.34 mm

Calculations

Q. How to calculate the voltage for 12S2P Panasonic B pack?

A. Take the nominal voltage of the Panasonic B (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 Panasonic B pack?

A. Take the nominal capacity of the Panasonic B (3.35Ah) and max. continuous discharge current (4.875 A) and multiply them by the parallel connections (2) for a total of 6.70Ah and 9.75A.

Panasonic B 12S2P Battery Pack

Panasonic B 12S2P Specifications

Size Variations

Calculations