Samsung 40T 2S7P Specifications
| Configuration | 2S7P |
| Cell | Samsung INR21700-40T |
| Cell size | 21700 |
| Cell chemistry | |
| Weight | 1.0 kg |
| Length | 15.14 cm |
| Width | 2.24 cm |
| Height | 14.65 cm |
| Charge voltage | 8.40 V |
| End voltage | 5.00 V |
| Capacity | 28000 mAh |
| Maximum continuous discharge current | 10 A |
| Charge current | 10 A |
| Watts | 72 W |
| Energy | 202 Wh |
| Volumetric energy density | 580.64 Wh/L |
| Gravimetric energy density | 206.12 Wh/kg |
| Charge time | 5 hours |
| Operating temperature | -20 ~ 60 °C |
Size Variations
Samsung 40T 2S7P 1-layer in parablock 7x1
| Length | 301.8 mm |
| Width | 22.3 mm |
| Height | 73.1 mm |
Samsung 40T 2S7P 2-layer in parablock 1x7
| Length | 22.4 mm |
| Width | 151.4 mm |
| Height | 146.5 mm |
Samsung 40T 2S7P 2-layer in parablock 7x1
| Length | 151.4 mm |
| Width | 22.4 mm |
| Height | 146.5 mm |
Calculations
Q. How to calculate the voltage for 2S7P Samsung 40T pack?
A. Take the nominal voltage of the Samsung 40T (3.6V) and multiply it by series connections (2) for a total of 7.20V.
Q. How to calculate the capacity and current for 2S7P Samsung 40T pack?
A. Take the nominal capacity of the Samsung 40T (4.00Ah) and max. continuous discharge current (45 A) and multiply them by the parallel connections (7) for a total of 28.00Ah and 315A.