Panasonic B 2S9P Specifications
| Configuration | 2S9P |
| Cell | Panasonic NCR20700B |
| Cell size | 20700 |
| Cell chemistry | |
| Weight | 1.1 kg |
| Length | 18.41 cm |
| Width | 2.25 cm |
| Height | 14.65 cm |
| Charge voltage | 8.40 V |
| End voltage | 5.00 V |
| Capacity | 38250 mAh |
| Maximum continuous discharge current | 10 A |
| Charge current | 5 A |
| Watts | 72 W |
| Energy | 275 Wh |
| Volumetric energy density | 668.51 Wh/L |
| Gravimetric energy density | 242.50 Wh/kg |
| Charge time | 5 hours |
| Operating temperature | -20 ~ 60 °C |
Size Variations
Panasonic B 2S9P 1-layer in parablock 1x9
| Length | 41.54 mm |
| Width | 185.29 mm |
| Height | 73.14 mm |
Panasonic B 2S9P 1-layer in parablock 9x1
| Length | 367.1 mm |
| Width | 22.45 mm |
| Height | 73.1 mm |
Panasonic B 2S9P 2-layer in parablock 3x3
| Length | 61.91 mm |
| Width | 63.21 mm |
| Height | 146.46 mm |
Panasonic B 2S9P 2-layer in parablock 1x9
| Length | 21.25 mm |
| Width | 185.35 mm |
| Height | 146.5 mm |
Panasonic B 2S9P 2-layer in parablock 9x1
| Length | 184.05 mm |
| Width | 22.55 mm |
| Height | 146.5 mm |
Calculations
Q. How to calculate the voltage for 2S9P 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 2S9P Panasonic B pack?
A. Take the nominal capacity of the Panasonic B (4.25Ah) and max. continuous discharge current (20 A) and multiply them by the parallel connections (9) for a total of 38.25Ah and 180A.