Samsung 25R 4S8P Specifications
| Configuration | 4S8P |
| Cell | Samsung INR18650-25R |
| Cell size | 18650 |
| Cell chemistry | |
| Weight | 1.4 kg |
| Length | 16.25 cm |
| Width | 2.24 cm |
| Height | 27.13 cm |
| Charge voltage | 16.80 V |
| End voltage | 10.00 V |
| Capacity | 20000 mAh |
| Maximum continuous discharge current | 10 A |
| Charge current | 5 A |
| Watts | 144 W |
| Energy | 288 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 4S8P 1-layer in parablock 1x8
| Length | 81.66 mm |
| Width | 163.76 mm |
| Height | 67.71 mm |
Samsung 25R 4S8P 1-layer in parablock 4x2
| Length | 324.04 mm |
| Width | 42.54 mm |
| Height | 67.69 mm |
Samsung 25R 4S8P 1-layer in parablock 8x1
| Length | 647.2 mm |
| Width | 22.3 mm |
| Height | 67.65 mm |
Samsung 25R 4S8P 2-layer in parablock 2x4
| Length | 81.66 mm |
| Width | 82.96 mm |
| Height | 135.56 mm |
Samsung 25R 4S8P 2-layer in parablock 4x2
| Length | 162.5 mm |
| Width | 42.6 mm |
| Height | 135.6 mm |
Samsung 25R 4S8P 2-layer in parablock 1x8
| Length | 41.3 mm |
| Width | 163.8 mm |
| Height | 135.6 mm |
Samsung 25R 4S8P 2-layer in parablock 8x1
| Length | 324.06 mm |
| Width | 22.36 mm |
| Height | 135.56 mm |
Samsung 25R 4S8P 4-layer in parablock 2x4
| Length | 41.26 mm |
| Width | 82.96 mm |
| Height | 271.26 mm |
Samsung 25R 4S8P 4-layer in parablock 4x2
| Length | 81.66 mm |
| Width | 42.56 mm |
| Height | 271.26 mm |
Samsung 25R 4S8P 4-layer in parablock 1x8
| Length | 21.1 mm |
| Width | 163.8 mm |
| Height | 271.3 mm |
Samsung 25R 4S8P 4-layer in parablock 8x1
| Length | 162.5 mm |
| Width | 22.4 mm |
| Height | 271.3 mm |
Calculations
Q. How to calculate the voltage for 4S8P Samsung 25R pack?
A. Take the nominal voltage of the Samsung 25R (3.6V) and multiply it by series connections (4) for a total of 14.40V.
Q. How to calculate the capacity and current for 4S8P 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 (8) for a total of 20.00Ah and 160A.