Samsung 33J 7S4P Specifications
| Configuration | 7S4P |
| Cell | Samsung INR21700-33J |
| Cell size | 21700 |
| Cell chemistry | |
| Weight | 1.8 kg |
| Length | 8.68 cm |
| Width | 2.42 cm |
| Height | 51.19 cm |
| Charge voltage | 28.70 V |
| End voltage | 21.00 V |
| Capacity | 19600 mAh |
| Maximum continuous discharge current | 10 A |
| Charge current | 6.4 A |
| Watts | 249 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 7S4P 1-layer in parablock 2x2
| Length | 301.86 mm |
| Width | 45.76 mm |
| Height | 73.01 mm |
Samsung 33J 7S4P 1-layer in parablock 4x1
| Length | 602.8 mm |
| Width | 24.2 mm |
| Height | 72.95 mm |
Samsung 33J 7S4P 2-layer in parablock 2x2
| Length | 172.9 mm |
| Width | 45.8 mm |
| Height | 146.2 mm |
Samsung 33J 7S4P 2-layer in parablock 1x4
| Length | 88.8 mm |
| Width | 86.9 mm |
| Height | 146.2 mm |
Samsung 33J 7S4P 2-layer in parablock 4x1
| Length | 344.9 mm |
| Width | 24.3 mm |
| Height | 146.2 mm |
Samsung 33J 7S4P 3-layer in parablock 2x2
| Length | 129.9 mm |
| Width | 45.8 mm |
| Height | 219.35 mm |
Samsung 33J 7S4P 3-layer in parablock 1x4
| Length | 67.26 mm |
| Width | 86.86 mm |
| Height | 219.31 mm |
Samsung 33J 7S4P 3-layer in parablock 4x1
| Length | 258.9 mm |
| Width | 24.3 mm |
| Height | 219.35 mm |
Samsung 33J 7S4P 4-layer in parablock 2x2
| Length | 86.86 mm |
| Width | 45.76 mm |
| Height | 292.46 mm |
Samsung 33J 7S4P 4-layer in parablock 1x4
| Length | 45.76 mm |
| Width | 86.86 mm |
| Height | 292.46 mm |
Samsung 33J 7S4P 4-layer in parablock 4x1
| Length | 172.9 mm |
| Width | 24.3 mm |
| Height | 292.5 mm |
Samsung 33J 7S4P 7-layer in parablock 2x2
| Length | 43.8 mm |
| Width | 43.8 mm |
| Height | 511.85 mm |
Samsung 33J 7S4P 7-layer in parablock 1x4
| Length | 24.24 mm |
| Width | 86.84 mm |
| Height | 511.89 mm |
Samsung 33J 7S4P 7-layer in parablock 4x1
| Length | 86.84 mm |
| Width | 24.24 mm |
| Height | 511.89 mm |
Calculations
Q. How to calculate the voltage for 7S4P Samsung 33J pack?
A. Take the nominal voltage of the Samsung 33J (3.56V) and multiply it by series connections (7) for a total of 24.92V.
Q. How to calculate the capacity and current for 7S4P 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 (4) for a total of 19.60Ah and 25.6A.