Samsung 25R 7S2P Specifications
| Configuration | 7S2P |
| Cell | Samsung INR18650-25R |
| Cell size | 18650 |
| Cell chemistry | |
| Weight | 0.6 kg |
| Length | 4.11 cm |
| Width | 2.09 cm |
| Height | 47.47 cm |
| Charge voltage | 29.40 V |
| End voltage | 17.50 V |
| Capacity | 5000 mAh |
| Maximum continuous discharge current | 10 A |
| Charge current | 8 A |
| Watts | 252 W |
| Energy | 126 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 7S2P 1-layer in parablock 2x1
| Length | 283.6 mm |
| Width | 22.9 mm |
| Height | 67.65 mm |
Samsung 25R 7S2P 2-layer in parablock 1x2
| Length | 81.66 mm |
| Width | 43.16 mm |
| Height | 135.56 mm |
Samsung 25R 7S2P 2-layer in parablock 2x1
| Length | 162.46 mm |
| Width | 22.96 mm |
| Height | 135.56 mm |
Samsung 25R 7S2P 3-layer in parablock 1x2
| Length | 61.4 mm |
| Width | 41.2 mm |
| Height | 203.35 mm |
Samsung 25R 7S2P 3-layer in parablock 2x1
| Length | 122.06 mm |
| Width | 22.96 mm |
| Height | 203.41 mm |
Samsung 25R 7S2P 4-layer in parablock 1x2
| Length | 41.16 mm |
| Width | 41.16 mm |
| Height | 271.16 mm |
Samsung 25R 7S2P 4-layer in parablock 2x1
| Length | 81.6 mm |
| Width | 22.9 mm |
| Height | 271.2 mm |
Samsung 25R 7S2P 7-layer in parablock 1x2
| Length | 20.94 mm |
| Width | 41.14 mm |
| Height | 474.69 mm |
Samsung 25R 7S2P 7-layer in parablock 2x1
| Length | 41.14 mm |
| Width | 20.94 mm |
| Height | 474.69 mm |
Calculations
Q. How to calculate the voltage for 7S2P 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 7S2P 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 (2) for a total of 5.00Ah and 40A.