Samsung 33J 4S7P Specifications
| Configuration | 4S7P |
| Cell | Samsung INR21700-33J |
| Cell size | 21700 |
| Cell chemistry | |
| Weight | 1.8 kg |
| Length | 15.14 cm |
| Width | 2.37 cm |
| Height | 29.25 cm |
| Charge voltage | 16.40 V |
| End voltage | 12.00 V |
| Capacity | 34300 mAh |
| Maximum continuous discharge current | 10 A |
| Charge current | 5 A |
| Watts | 142 W |
| Energy | 488 Wh |
| Volumetric energy density | 710.89 Wh/L |
| Gravimetric energy density | 274.47 Wh/kg |
| Charge time | 5 hours |
| Operating temperature | -20 ~ 60 °C |
Size Variations
Samsung 33J 4S7P 1-layer in parablock 7x1
| Length | 602.8 mm |
| Width | 23.6 mm |
| Height | 72.95 mm |
Samsung 33J 4S7P 2-layer in parablock 1x7
| Length | 43.9 mm |
| Width | 152.7 mm |
| Height | 146.2 mm |
Samsung 33J 4S7P 2-layer in parablock 7x1
| Length | 301.9 mm |
| Width | 23.7 mm |
| Height | 146.2 mm |
Samsung 33J 4S7P 4-layer in parablock 1x7
| Length | 22.4 mm |
| Width | 152.7 mm |
| Height | 292.5 mm |
Samsung 33J 4S7P 4-layer in parablock 7x1
| Length | 151.4 mm |
| Width | 23.7 mm |
| Height | 292.5 mm |
Calculations
Q. How to calculate the voltage for 4S7P Samsung 33J pack?
A. Take the nominal voltage of the Samsung 33J (3.56V) and multiply it by series connections (4) for a total of 14.24V.
Q. How to calculate the capacity and current for 4S7P Samsung 33J pack?
A. Take the nominal capacity of the Samsung 33J (4.90Ah) and max. continuous discharge current (6.4 A) and multiply them by the parallel connections (7) for a total of 34.30Ah and 44.800000000000004A.