Samsung 25R 4S9P Specifications
| Configuration | 4S9P |
| Cell | Samsung INR18650-25R |
| Cell size | 18650 |
| Cell chemistry | |
| Weight | 1.6 kg |
| Length | 18.27 cm |
| Width | 2.24 cm |
| Height | 27.13 cm |
| Charge voltage | 16.80 V |
| End voltage | 10.00 V |
| Capacity | 22500 mAh |
| Maximum continuous discharge current | 10 A |
| Charge current | 5 A |
| Watts | 144 W |
| Energy | 324 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 4S9P 1-layer in parablock 1x9
| Length | 81.66 mm |
| Width | 183.96 mm |
| Height | 67.71 mm |
Samsung 25R 4S9P 1-layer in parablock 9x1
| Length | 728 mm |
| Width | 22.3 mm |
| Height | 67.65 mm |
Samsung 25R 4S9P 2-layer in parablock 3x3
| Length | 122.1 mm |
| Width | 62.8 mm |
| Height | 135.6 mm |
Samsung 25R 4S9P 2-layer in parablock 1x9
| Length | 41.3 mm |
| Width | 184 mm |
| Height | 135.6 mm |
Samsung 25R 4S9P 2-layer in parablock 9x1
| Length | 364.46 mm |
| Width | 22.36 mm |
| Height | 135.56 mm |
Samsung 25R 4S9P 4-layer in parablock 3x3
| Length | 61.46 mm |
| Width | 62.76 mm |
| Height | 271.26 mm |
Samsung 25R 4S9P 4-layer in parablock 1x9
| Length | 21.1 mm |
| Width | 184 mm |
| Height | 271.3 mm |
Samsung 25R 4S9P 4-layer in parablock 9x1
| Length | 182.7 mm |
| Width | 22.4 mm |
| Height | 271.3 mm |
Calculations
Q. How to calculate the voltage for 4S9P 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 4S9P 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 (9) for a total of 22.50Ah and 180A.