Panasonic B 7S7P Specifications
| Configuration | 7S7P |
| Cell | Panasonic NCR18650B |
| Cell size | 18650 |
| Cell chemistry | |
| Weight | 2.4 kg |
| Length | 14.23 cm |
| Width | 2.30 cm |
| Height | 47.80 cm |
| Charge voltage | 29.40 V |
| End voltage | 17.50 V |
| Capacity | 23450 mAh |
| Maximum continuous discharge current | 10 A |
| Charge current | 10 A |
| Watts | 252 W |
| Energy | 591 Wh |
| Volumetric energy density | 687.49 Wh/L |
| Gravimetric energy density | 248.69 Wh/kg |
| Charge time | 5 hours |
| Operating temperature | -20 ~ 60 °C |
Size Variations
Panasonic B 7S7P 1-layer in parablock 7x1
| Length | 990.6 mm |
| Width | 22.9 mm |
| Height | 68.1 mm |
Panasonic B 7S7P 2-layer in parablock 1x7
| Length | 83.6 mm |
| Width | 142.3 mm |
| Height | 136.5 mm |
Panasonic B 7S7P 2-layer in parablock 7x1
| Length | 566.46 mm |
| Width | 22.96 mm |
| Height | 136.46 mm |
Panasonic B 7S7P 3-layer in parablock 1x7
| Length | 63.4 mm |
| Width | 142.3 mm |
| Height | 204.8 mm |
Panasonic B 7S7P 3-layer in parablock 7x1
| Length | 425.1 mm |
| Width | 23 mm |
| Height | 204.8 mm |
Panasonic B 7S7P 4-layer in parablock 1x7
| Length | 43.2 mm |
| Width | 142.3 mm |
| Height | 273.1 mm |
Panasonic B 7S7P 4-layer in parablock 7x1
| Length | 283.7 mm |
| Width | 23 mm |
| Height | 273.1 mm |
Panasonic B 7S7P 7-layer in parablock 1x7
| Length | 22.96 mm |
| Width | 142.26 mm |
| Height | 477.96 mm |
Panasonic B 7S7P 7-layer in parablock 7x1
| Length | 142.26 mm |
| Width | 22.96 mm |
| Height | 477.96 mm |
Calculations
Q. How to calculate the voltage for 7S7P Panasonic B pack?
A. Take the nominal voltage of the Panasonic B (3.6V) and multiply it by series connections (7) for a total of 25.20V.
Q. How to calculate the capacity and current for 7S7P 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 (7) for a total of 23.45Ah and 34.125A.