Samsung 25R 7S3P Specifications
| Configuration | 7S3P |
| Cell | Samsung INR18650-25R |
| Cell size | 18650 |
| Cell chemistry | |
| Weight | 0.9 kg |
| Length | 6.14 cm |
| Width | 2.10 cm |
| Height | 47.47 cm |
| Charge voltage | 29.40 V |
| End voltage | 17.50 V |
| Capacity | 7500 mAh |
| Maximum continuous discharge current | 10 A |
| Charge current | 10 A |
| Watts | 252 W |
| Energy | 189 Wh |
| Volumetric energy density | 526.18 Wh/L |
| Gravimetric energy density | 200.00 Wh/kg |
| Charge time | 5 hours |
| Operating temperature | -20 ~ 75 °C |
Size Variations
Samsung 25R 7S3P 1-layer in parablock 3x1
| Length | 425 mm |
| Width | 22.9 mm |
| Height | 67.65 mm |
Samsung 25R 7S3P 2-layer in parablock 1x3
| Length | 81.66 mm |
| Width | 63.36 mm |
| Height | 135.56 mm |
Samsung 25R 7S3P 2-layer in parablock 3x1
| Length | 243.26 mm |
| Width | 22.96 mm |
| Height | 135.56 mm |
Samsung 25R 7S3P 3-layer in parablock 1x3
| Length | 61.46 mm |
| Width | 61.46 mm |
| Height | 203.41 mm |
Samsung 25R 7S3P 3-layer in parablock 3x1
| Length | 182.7 mm |
| Width | 23 mm |
| Height | 203.45 mm |
Samsung 25R 7S3P 4-layer in parablock 1x3
| Length | 41.2 mm |
| Width | 61.4 mm |
| Height | 271.2 mm |
Samsung 25R 7S3P 4-layer in parablock 3x1
| Length | 122.06 mm |
| Width | 22.96 mm |
| Height | 271.26 mm |
Samsung 25R 7S3P 7-layer in parablock 1x3
| Length | 20.96 mm |
| Width | 61.36 mm |
| Height | 474.71 mm |
Samsung 25R 7S3P 7-layer in parablock 3x1
| Length | 61.36 mm |
| Width | 20.96 mm |
| Height | 474.71 mm |
Calculations
Q. How to calculate the voltage for 7S3P Samsung 25R pack?
A. Take the nominal voltage of the Samsung 25R (3.6V) and multiply it by series connections (7) for a total of 25.20V.
Q. How to calculate the capacity and current for 7S3P Samsung 25R pack?
A. Take the nominal capacity of the Samsung 25R (2.50Ah) and max. continuous discharge current (20 A) and multiply them by the parallel connections (3) for a total of 7.50Ah and 60A.