Samsung 40T 21S7P Specifications
| Configuration | 21S7P |
| Cell | Samsung INR21700-40T |
| Cell size | 21700 |
| Cell chemistry | |
| Weight | 10.3 kg |
| Length | 15.14 cm |
| Width | 2.24 cm |
| Height | 153.92 cm |
| Charge voltage | 88.20 V |
| End voltage | 52.50 V |
| Capacity | 28000 mAh |
| Maximum continuous discharge current | 10 A |
| Charge current | 10 A |
| Watts | 756 W |
| Energy | 2117 Wh |
| Volumetric energy density | 579.55 Wh/L |
| Gravimetric energy density | 205.73 Wh/kg |
| Charge time | 5 hours |
| Operating temperature | -20 ~ 60 °C |
Size Variations
Samsung 40T 21S7P 1-layer in parablock 7x1
| Length | 3161.3 mm |
| Width | 22.3 mm |
| Height | 73.1 mm |
Samsung 40T 21S7P 2-layer in parablock 1x7
| Length | 237.4 mm |
| Width | 151.4 mm |
| Height | 146.5 mm |
Samsung 40T 21S7P 2-layer in parablock 7x1
| Length | 1656.4 mm |
| Width | 22.4 mm |
| Height | 146.5 mm |
Samsung 40T 21S7P 3-layer in parablock 1x7
| Length | 151.4 mm |
| Width | 151.4 mm |
| Height | 219.8 mm |
Samsung 40T 21S7P 3-layer in parablock 7x1
| Length | 1054.4 mm |
| Width | 22.4 mm |
| Height | 219.8 mm |
Samsung 40T 21S7P 4-layer in parablock 1x7
| Length | 129.9 mm |
| Width | 151.4 mm |
| Height | 293.1 mm |
Samsung 40T 21S7P 4-layer in parablock 7x1
| Length | 903.9 mm |
| Width | 22.4 mm |
| Height | 293.1 mm |
Samsung 40T 21S7P 5-layer in parablock 1x7
| Length | 108.4 mm |
| Width | 151.4 mm |
| Height | 366.4 mm |
Samsung 40T 21S7P 5-layer in parablock 7x1
| Length | 753.4 mm |
| Width | 22.4 mm |
| Height | 366.4 mm |
Samsung 40T 21S7P 6-layer in parablock 1x7
| Length | 86.9 mm |
| Width | 151.4 mm |
| Height | 439.7 mm |
Samsung 40T 21S7P 6-layer in parablock 7x1
| Length | 602.9 mm |
| Width | 22.4 mm |
| Height | 439.7 mm |
Samsung 40T 21S7P 7-layer in parablock 1x7
| Length | 65.4 mm |
| Width | 151.4 mm |
| Height | 513 mm |
Samsung 40T 21S7P 7-layer in parablock 7x1
| Length | 452.4 mm |
| Width | 22.4 mm |
| Height | 513 mm |
Samsung 40T 21S7P 11-layer in parablock 1x7
| Length | 43.9 mm |
| Width | 151.4 mm |
| Height | 806.2 mm |
Samsung 40T 21S7P 11-layer in parablock 7x1
| Length | 301.9 mm |
| Width | 22.4 mm |
| Height | 806.2 mm |
Samsung 40T 21S7P 21-layer in parablock 1x7
| Length | 22.4 mm |
| Width | 151.4 mm |
| Height | 1539.2 mm |
Samsung 40T 21S7P 21-layer in parablock 7x1
| Length | 151.4 mm |
| Width | 22.4 mm |
| Height | 1539.2 mm |
Calculations
Q. How to calculate the voltage for 21S7P Samsung 40T pack?
A. Take the nominal voltage of the Samsung 40T (3.6V) and multiply it by series connections (21) for a total of 75.60V.
Q. How to calculate the capacity and current for 21S7P 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.