Panasonic BF 4S8P Specifications
| Configuration | 4S8P |
| Cell | Panasonic NCR18650BF |
| Cell size | 18650 |
| Cell chemistry | |
| Weight | 1.5 kg |
| Length | 16.25 cm |
| Width | 2.24 cm |
| Height | 27.31 cm |
| Charge voltage | 16.80 V |
| End voltage | 10.00 V |
| Capacity | 26800 mAh |
| Maximum continuous discharge current | 10 A |
| Charge current | 5 A |
| Watts | 144 W |
| Energy | 386 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 4S8P 1-layer in parablock 1x8
| Length | 81.66 mm |
| Width | 163.76 mm |
| Height | 68.16 mm |
Panasonic BF 4S8P 1-layer in parablock 4x2
| Length | 324.04 mm |
| Width | 42.54 mm |
| Height | 68.14 mm |
Panasonic BF 4S8P 1-layer in parablock 8x1
| Length | 647.2 mm |
| Width | 22.3 mm |
| Height | 68.1 mm |
Panasonic BF 4S8P 2-layer in parablock 2x4
| Length | 81.66 mm |
| Width | 82.96 mm |
| Height | 136.46 mm |
Panasonic BF 4S8P 2-layer in parablock 4x2
| Length | 162.5 mm |
| Width | 42.6 mm |
| Height | 136.5 mm |
Panasonic BF 4S8P 2-layer in parablock 1x8
| Length | 41.3 mm |
| Width | 163.8 mm |
| Height | 136.5 mm |
Panasonic BF 4S8P 2-layer in parablock 8x1
| Length | 324.06 mm |
| Width | 22.36 mm |
| Height | 136.46 mm |
Panasonic BF 4S8P 4-layer in parablock 2x4
| Length | 41.26 mm |
| Width | 82.96 mm |
| Height | 273.06 mm |
Panasonic BF 4S8P 4-layer in parablock 4x2
| Length | 81.66 mm |
| Width | 42.56 mm |
| Height | 273.06 mm |
Panasonic BF 4S8P 4-layer in parablock 1x8
| Length | 21.1 mm |
| Width | 163.8 mm |
| Height | 273.1 mm |
Panasonic BF 4S8P 4-layer in parablock 8x1
| Length | 162.5 mm |
| Width | 22.4 mm |
| Height | 273.1 mm |
Calculations
Q. How to calculate the voltage for 4S8P 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 4S8P 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 (8) for a total of 26.80Ah and 39.04A.