Samsung 50E 2S9P Specifications
| Configuration | 2S9P |
| Cell | Samsung INR21700-50E |
| Cell size | 21700 |
| Cell chemistry | |
| Weight | 1.2 kg |
| Length | 19.44 cm |
| Width | 2.37 cm |
| Height | 14.75 cm |
| Charge voltage | 8.40 V |
| End voltage | 5.00 V |
| Capacity | 44100 mAh |
| Maximum continuous discharge current | 10 A |
| Charge current | 5 A |
| Watts | 72 W |
| Energy | 318 Wh |
| Volumetric energy density | 775.18 Wh/L |
| Gravimetric energy density | 256.04 Wh/kg |
| Charge time | 5 hours |
| Operating temperature | -20 ~ 60 °C |
Size Variations
Samsung 50E 2S9P 1-layer in parablock 1x9
| Length | 43.86 mm |
| Width | 195.66 mm |
| Height | 73.66 mm |
Samsung 50E 2S9P 1-layer in parablock 9x1
| Length | 387.8 mm |
| Width | 23.6 mm |
| Height | 73.6 mm |
Samsung 50E 2S9P 2-layer in parablock 3x3
| Length | 65.36 mm |
| Width | 66.66 mm |
| Height | 147.46 mm |
Samsung 50E 2S9P 2-layer in parablock 1x9
| Length | 22.4 mm |
| Width | 195.7 mm |
| Height | 147.5 mm |
Samsung 50E 2S9P 2-layer in parablock 9x1
| Length | 194.4 mm |
| Width | 23.7 mm |
| Height | 147.5 mm |
Calculations
Q. How to calculate the voltage for 2S9P Samsung 50E pack?
A. Take the nominal voltage of the Samsung 50E (3.6V) and multiply it by series connections (2) for a total of 7.20V.
Q. How to calculate the capacity and current for 2S9P Samsung 50E pack?
A. Take the nominal capacity of the Samsung 50E (4.90Ah) and max. continuous discharge current (9.8 A) and multiply them by the parallel connections (9) for a total of 44.10Ah and 88.2A.