Lishen SA 2S7P Specifications
| Configuration | 2S7P |
| Cell | Lishen LR2170SA |
| Cell size | 21700 |
| Cell chemistry | |
| Weight | 1.0 kg |
| Length | 15.14 cm |
| Width | 2.37 cm |
| Height | 14.81 cm |
| Charge voltage | 8.40 V |
| End voltage | 5.50 V |
| Capacity | 28000 mAh |
| Maximum continuous discharge current | 10 A |
| Charge current | 5 A |
| Watts | 73 W |
| Energy | 204 Wh |
| Volumetric energy density | 544.35 Wh/L |
| Gravimetric energy density | 205.23 Wh/kg |
| Charge time | 5 hours |
| Operating temperature | -20 ~ 60 °C |
Size Variations
Lishen SA 2S7P 1-layer in parablock 7x1
| Length | 301.8 mm |
| Width | 23.6 mm |
| Height | 73.9 mm |
Lishen SA 2S7P 2-layer in parablock 1x7
| Length | 22.4 mm |
| Width | 152.7 mm |
| Height | 148.1 mm |
Lishen SA 2S7P 2-layer in parablock 7x1
| Length | 151.4 mm |
| Width | 23.7 mm |
| Height | 148.1 mm |
Calculations
Q. How to calculate the voltage for 2S7P Lishen SA pack?
A. Take the nominal voltage of the Lishen SA (3.65V) and multiply it by series connections (2) for a total of 7.30V.
Q. How to calculate the capacity and current for 2S7P Lishen SA pack?
A. Take the nominal capacity of the Lishen SA (4.00Ah) and max. continuous discharge current (12 A) and multiply them by the parallel connections (7) for a total of 28.00Ah and 84A.