Panasonic B 2S4P Specifications
| Configuration | 2S4P |
| Cell | Panasonic NCR18650B |
| Cell size | 18650 |
| Cell chemistry | |
| Weight | 0.4 kg |
| Length | 8.16 cm |
| Width | 2.23 cm |
| Height | 13.64 cm |
| Charge voltage | 8.40 V |
| End voltage | 5.00 V |
| Capacity | 13400 mAh |
| Maximum continuous discharge current | 10 A |
| Charge current | 5 A |
| Watts | 72 W |
| Energy | 96 Wh |
| Volumetric energy density | 684.00 Wh/L |
| Gravimetric energy density | 247.42 Wh/kg |
| Charge time | 5 hours |
| Operating temperature | -20 ~ 60 °C |
Size Variations
Panasonic B 2S4P 1-layer in parablock 1x4
| Length | 41.2 mm |
| Width | 82.9 mm |
| Height | 68.1 mm |
Panasonic B 2S4P 1-layer in parablock 4x1
| Length | 162.4 mm |
| Width | 22.3 mm |
| Height | 68.1 mm |
Panasonic B 2S4P 2-layer in parablock 2x2
| Length | 41.16 mm |
| Width | 42.46 mm |
| Height | 136.36 mm |
Panasonic B 2S4P 2-layer in parablock 1x4
| Length | 21 mm |
| Width | 82.9 mm |
| Height | 136.4 mm |
Panasonic B 2S4P 2-layer in parablock 4x1
| Length | 81.6 mm |
| Width | 22.3 mm |
| Height | 136.4 mm |
Calculations
Q. How to calculate the voltage for 2S4P Panasonic B pack?
A. Take the nominal voltage of the Panasonic B (3.6V) and multiply it by series connections (2) for a total of 7.20V.
Q. How to calculate the capacity and current for 2S4P 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 (4) for a total of 13.40Ah and 19.5A.