Panasonic BF 4S7P Specifications
| Configuration | 4S7P |
| Cell | Panasonic NCR18650BF |
| Cell size | 18650 |
| Cell chemistry | |
| Weight | 1.3 kg |
| Length | 14.23 cm |
| Width | 2.24 cm |
| Height | 27.31 cm |
| Charge voltage | 16.80 V |
| End voltage | 10.00 V |
| Capacity | 23450 mAh |
| Maximum continuous discharge current | 10 A |
| Charge current | 5 A |
| Watts | 144 W |
| Energy | 338 Wh |
| Volumetric energy density | 688.07 Wh/L |
| Gravimetric energy density | 259.60 Wh/kg |
| Charge time | 5 hours |
| Operating temperature | -20 ~ 60 °C |
Size Variations
Panasonic BF 4S7P 1-layer in parablock 7x1
| Length | 566.4 mm |
| Width | 22.3 mm |
| Height | 68.1 mm |
Panasonic BF 4S7P 2-layer in parablock 1x7
| Length | 41.3 mm |
| Width | 143.6 mm |
| Height | 136.5 mm |
Panasonic BF 4S7P 2-layer in parablock 7x1
| Length | 283.66 mm |
| Width | 22.36 mm |
| Height | 136.46 mm |
Panasonic BF 4S7P 4-layer in parablock 1x7
| Length | 21.06 mm |
| Width | 143.56 mm |
| Height | 273.06 mm |
Panasonic BF 4S7P 4-layer in parablock 7x1
| Length | 142.26 mm |
| Width | 22.36 mm |
| Height | 273.06 mm |
Calculations
Q. How to calculate the voltage for 4S7P 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 4S7P 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 (7) for a total of 23.45Ah and 34.16A.