Samsung 40T 7S2P Specifications
| Configuration | 7S2P |
| Cell | Samsung INR21700-40T |
| Cell size | 21700 |
| Cell chemistry | |
| Weight | 1.0 kg |
| Length | 4.37 cm |
| Width | 2.22 cm |
| Height | 51.28 cm |
| Charge voltage | 29.40 V |
| End voltage | 17.50 V |
| Capacity | 8000 mAh |
| Maximum continuous discharge current | 10 A |
| Charge current | 10 A |
| Watts | 252 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 7S2P 1-layer in parablock 2x1
| Length | 301.8 mm |
| Width | 22.3 mm |
| Height | 73.1 mm |
Samsung 40T 7S2P 2-layer in parablock 1x2
| Length | 86.86 mm |
| Width | 43.86 mm |
| Height | 146.46 mm |
Samsung 40T 7S2P 2-layer in parablock 2x1
| Length | 172.9 mm |
| Width | 22.4 mm |
| Height | 146.5 mm |
Samsung 40T 7S2P 3-layer in parablock 1x2
| Length | 65.3 mm |
| Width | 43.8 mm |
| Height | 219.7 mm |
Samsung 40T 7S2P 3-layer in parablock 2x1
| Length | 129.86 mm |
| Width | 22.36 mm |
| Height | 219.76 mm |
Samsung 40T 7S2P 4-layer in parablock 1x2
| Length | 43.8 mm |
| Width | 43.8 mm |
| Height | 293 mm |
Samsung 40T 7S2P 4-layer in parablock 2x1
| Length | 86.8 mm |
| Width | 22.3 mm |
| Height | 293 mm |
Samsung 40T 7S2P 7-layer in parablock 1x2
| Length | 22.24 mm |
| Width | 43.74 mm |
| Height | 512.84 mm |
Samsung 40T 7S2P 7-layer in parablock 2x1
| Length | 43.74 mm |
| Width | 22.24 mm |
| Height | 512.84 mm |
Calculations
Q. How to calculate the voltage for 7S2P Samsung 40T pack?
A. Take the nominal voltage of the Samsung 40T (3.6V) and multiply it by series connections (7) for a total of 25.20V.
Q. How to calculate the capacity and current for 7S2P 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 (2) for a total of 8.00Ah and 90A.