Samsung 30B 4S7P Specifications
| Configuration | 4S7P |
| Cell | Samsung ICR18650-30B |
| Cell size | 18650 |
| Cell chemistry | |
| Weight | 1.3 kg |
| Length | 14.23 cm |
| Width | 2.24 cm |
| Height | 27.19 cm |
| Charge voltage | 17.40 V |
| End voltage | 11.00 V |
| Capacity | 20650 mAh |
| Maximum continuous discharge current | 10 A |
| Charge current | 5 A |
| Watts | 151 W |
| Energy | 312 Wh |
| Volumetric energy density | 645.03 Wh/L |
| Gravimetric energy density | 232.14 Wh/kg |
| Charge time | 5 hours |
| Operating temperature | -20 ~ 50 °C |
Size Variations
Samsung 30B 4S7P 1-layer in parablock 7x1
| Length | 566.4 mm |
| Width | 22.3 mm |
| Height | 67.8 mm |
Samsung 30B 4S7P 2-layer in parablock 1x7
| Length | 41.3 mm |
| Width | 143.6 mm |
| Height | 135.9 mm |
Samsung 30B 4S7P 2-layer in parablock 7x1
| Length | 283.66 mm |
| Width | 22.36 mm |
| Height | 135.86 mm |
Samsung 30B 4S7P 4-layer in parablock 1x7
| Length | 21.06 mm |
| Width | 143.56 mm |
| Height | 271.86 mm |
Samsung 30B 4S7P 4-layer in parablock 7x1
| Length | 142.26 mm |
| Width | 22.36 mm |
| Height | 271.86 mm |
Calculations
Q. How to calculate the voltage for 4S7P Samsung 30B pack?
A. Take the nominal voltage of the Samsung 30B (3.78V) and multiply it by series connections (4) for a total of 15.12V.
Q. How to calculate the capacity and current for 4S7P Samsung 30B pack?
A. Take the nominal capacity of the Samsung 30B (2.95Ah) and max. continuous discharge current (5.9 A) and multiply them by the parallel connections (7) for a total of 20.65Ah and 41.300000000000004A.