Samsung 40T 1S21P Specifications
| Configuration | 1S21P |
| Cell | Samsung INR21700-40T |
| Cell size | 21700 |
| Cell chemistry | |
| Weight | 1.5 kg |
| Length | 45.23 cm |
| Width | 2.23 cm |
| Height | 7.31 cm |
| Charge voltage | 4.20 V |
| End voltage | 2.50 V |
| Capacity | 84000 mAh |
| Maximum continuous discharge current | 10 A |
| Charge current | 10 A |
| Watts | 36 W |
| Energy | 302 Wh |
| Volumetric energy density | 578.72 Wh/L |
| Gravimetric energy density | 205.44 Wh/kg |
| Charge time | 5 hours |
| Operating temperature | -20 ~ 60 °C |
Size Variations
Samsung 40T 1S21P 1-layer in parablock 7x3
| Length | 151.36 mm |
| Width | 65.36 mm |
| Height | 73.16 mm |
Samsung 40T 1S21P 1-layer in parablock 1x21
| Length | 22.3 mm |
| Width | 452.3 mm |
| Height | 73.1 mm |
Samsung 40T 1S21P 1-layer in parablock 21x1
| Length | 452.3 mm |
| Width | 22.3 mm |
| Height | 73.1 mm |
Calculations
Q. How to calculate the voltage for 1S21P Samsung 40T pack?
A. Take the nominal voltage of the Samsung 40T (3.6V) and multiply it by series connections (1) for a total of 3.60V.
Q. How to calculate the capacity and current for 1S21P 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 (21) for a total of 84.00Ah and 945A.