Panasonic B 4S9P Specifications
| Configuration | 4S9P |
| Cell | Panasonic NCR18650B |
| Cell size | 18650 |
| Cell chemistry | |
| Weight | 1.7 kg |
| Length | 18.27 cm |
| Width | 2.24 cm |
| Height | 27.31 cm |
| Charge voltage | 16.80 V |
| End voltage | 10.00 V |
| Capacity | 30150 mAh |
| Maximum continuous discharge current | 10 A |
| Charge current | 5 A |
| Watts | 144 W |
| Energy | 434 Wh |
| Volumetric energy density | 687.16 Wh/L |
| Gravimetric energy density | 248.57 Wh/kg |
| Charge time | 5 hours |
| Operating temperature | -20 ~ 60 °C |
Size Variations
Panasonic B 4S9P 1-layer in parablock 1x9
| Length | 81.66 mm |
| Width | 183.96 mm |
| Height | 68.16 mm |
Panasonic B 4S9P 1-layer in parablock 9x1
| Length | 728 mm |
| Width | 22.3 mm |
| Height | 68.1 mm |
Panasonic B 4S9P 2-layer in parablock 3x3
| Length | 122.1 mm |
| Width | 62.8 mm |
| Height | 136.5 mm |
Panasonic B 4S9P 2-layer in parablock 1x9
| Length | 41.3 mm |
| Width | 184 mm |
| Height | 136.5 mm |
Panasonic B 4S9P 2-layer in parablock 9x1
| Length | 364.46 mm |
| Width | 22.36 mm |
| Height | 136.46 mm |
Panasonic B 4S9P 4-layer in parablock 3x3
| Length | 61.46 mm |
| Width | 62.76 mm |
| Height | 273.06 mm |
Panasonic B 4S9P 4-layer in parablock 1x9
| Length | 21.1 mm |
| Width | 184 mm |
| Height | 273.1 mm |
Panasonic B 4S9P 4-layer in parablock 9x1
| Length | 182.7 mm |
| Width | 22.4 mm |
| Height | 273.1 mm |
Calculations
Q. How to calculate the voltage for 4S9P Panasonic B pack?
A. Take the nominal voltage of the Panasonic B (3.6V) and multiply it by series connections (4) for a total of 14.40V.
Q. How to calculate the capacity and current for 4S9P 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 (9) for a total of 30.15Ah and 43.875A.