Panasonic BF 4S12P Specifications
| Configuration | 4S12P |
| Cell | Panasonic NCR18650BF |
| Cell size | 18650 |
| Cell chemistry | |
| Weight | 2.2 kg |
| Length | 24.33 cm |
| Width | 2.24 cm |
| Height | 27.31 cm |
| Charge voltage | 16.80 V |
| End voltage | 10.00 V |
| Capacity | 40200 mAh |
| Maximum continuous discharge current | 10 A |
| Charge current | 5 A |
| Watts | 144 W |
| Energy | 579 Wh |
| Volumetric energy density | 687.56 Wh/L |
| Gravimetric energy density | 259.41 Wh/kg |
| Charge time | 5 hours |
| Operating temperature | -20 ~ 60 °C |
Size Variations
Panasonic BF 4S12P 1-layer in parablock 3x4
| Length | 243.26 mm |
| Width | 82.96 mm |
| Height | 68.16 mm |
Panasonic BF 4S12P 1-layer in parablock 1x12
| Length | 81.66 mm |
| Width | 244.56 mm |
| Height | 68.16 mm |
Panasonic BF 4S12P 1-layer in parablock 4x3
| Length | 324.06 mm |
| Width | 62.76 mm |
| Height | 68.16 mm |
Panasonic BF 4S12P 1-layer in parablock 6x2
| Length | 485.64 mm |
| Width | 42.54 mm |
| Height | 68.14 mm |
Panasonic BF 4S12P 1-layer in parablock 12x1
| Length | 970.4 mm |
| Width | 22.3 mm |
| Height | 68.1 mm |
Panasonic BF 4S12P 2-layer in parablock 2x6
| Length | 81.7 mm |
| Width | 123.4 mm |
| Height | 136.5 mm |
Panasonic BF 4S12P 2-layer in parablock 3x4
| Length | 122.1 mm |
| Width | 83 mm |
| Height | 136.5 mm |
Panasonic BF 4S12P 2-layer in parablock 4x3
| Length | 162.5 mm |
| Width | 62.8 mm |
| Height | 136.5 mm |
Panasonic BF 4S12P 2-layer in parablock 6x2
| Length | 243.3 mm |
| Width | 42.6 mm |
| Height | 136.5 mm |
Panasonic BF 4S12P 2-layer in parablock 1x12
| Length | 41.3 mm |
| Width | 244.6 mm |
| Height | 136.5 mm |
Panasonic BF 4S12P 2-layer in parablock 12x1
| Length | 485.66 mm |
| Width | 22.36 mm |
| Height | 136.46 mm |
Panasonic BF 4S12P 4-layer in parablock 2x6
| Length | 41.26 mm |
| Width | 123.36 mm |
| Height | 273.06 mm |
Panasonic BF 4S12P 4-layer in parablock 3x4
| Length | 61.46 mm |
| Width | 82.96 mm |
| Height | 273.06 mm |
Panasonic BF 4S12P 4-layer in parablock 4x3
| Length | 81.66 mm |
| Width | 62.76 mm |
| Height | 273.06 mm |
Panasonic BF 4S12P 4-layer in parablock 6x2
| Length | 122.06 mm |
| Width | 42.56 mm |
| Height | 273.06 mm |
Panasonic BF 4S12P 4-layer in parablock 1x12
| Length | 21.1 mm |
| Width | 244.6 mm |
| Height | 273.1 mm |
Panasonic BF 4S12P 4-layer in parablock 12x1
| Length | 243.3 mm |
| Width | 22.4 mm |
| Height | 273.1 mm |
Calculations
Q. How to calculate the voltage for 4S12P Panasonic BF pack?
A. Take the nominal voltage of the Panasonic BF (3.6V) and multiply it by series connections (4) for a total of 14.40V.
Q. How to calculate the capacity and current for 4S12P Panasonic BF pack?
A. Take the nominal capacity of the Panasonic BF (3.35Ah) and max. continuous discharge current (4.88 A) and multiply them by the parallel connections (12) for a total of 40.20Ah and 58.56A.