Samsung 33J 7S3P Specifications
| Configuration | 7S3P |
| Cell | Samsung INR21700-33J |
| Cell size | 21700 |
| Cell chemistry | |
| Weight | 1.3 kg |
| Length | 6.53 cm |
| Width | 2.42 cm |
| Height | 51.19 cm |
| Charge voltage | 28.70 V |
| End voltage | 21.00 V |
| Capacity | 14700 mAh |
| Maximum continuous discharge current | 10 A |
| Charge current | 4.800000000000001 A |
| Watts | 249 W |
| Energy | 366 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 7S3P 1-layer in parablock 3x1
| Length | 452.3 mm |
| Width | 24.2 mm |
| Height | 72.95 mm |
Samsung 33J 7S3P 2-layer in parablock 1x3
| Length | 88.76 mm |
| Width | 65.36 mm |
| Height | 146.16 mm |
Samsung 33J 7S3P 2-layer in parablock 3x1
| Length | 258.9 mm |
| Width | 24.3 mm |
| Height | 146.2 mm |
Samsung 33J 7S3P 3-layer in parablock 1x3
| Length | 67.26 mm |
| Width | 65.36 mm |
| Height | 219.31 mm |
Samsung 33J 7S3P 3-layer in parablock 3x1
| Length | 194.4 mm |
| Width | 24.3 mm |
| Height | 219.35 mm |
Samsung 33J 7S3P 4-layer in parablock 1x3
| Length | 45.74 mm |
| Width | 65.34 mm |
| Height | 292.44 mm |
Samsung 33J 7S3P 4-layer in parablock 3x1
| Length | 129.86 mm |
| Width | 24.26 mm |
| Height | 292.46 mm |
Samsung 33J 7S3P 7-layer in parablock 1x3
| Length | 24.2 mm |
| Width | 65.3 mm |
| Height | 511.85 mm |
Samsung 33J 7S3P 7-layer in parablock 3x1
| Length | 65.3 mm |
| Width | 24.2 mm |
| Height | 511.85 mm |
Calculations
Q. How to calculate the voltage for 7S3P 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 7S3P 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 (3) for a total of 14.70Ah and 19.200000000000003A.