LG HD2C 4S9P Specifications
| Configuration | 4S9P |
| Cell | LG 18650HD2C |
| Cell size | 18650 |
| Cell chemistry | |
| Weight | 1.7 kg |
| Length | 18.27 cm |
| Width | 2.24 cm |
| Height | 27.27 cm |
| Charge voltage | 16.80 V |
| End voltage | 10.00 V |
| Capacity | 18900 mAh |
| Maximum continuous discharge current | 10 A |
| Charge current | 5 A |
| Watts | 146 W |
| Energy | 276 Wh |
| Volumetric energy density | 437.67 Wh/L |
| Gravimetric energy density | 159.72 Wh/kg |
| Charge time | 5 hours |
| Operating temperature | -20 ~ 70 °C |
Size Variations
LG HD2C 4S9P 1-layer in parablock 1x9
| Length | 81.66 mm |
| Width | 183.96 mm |
| Height | 68.06 mm |
LG HD2C 4S9P 1-layer in parablock 9x1
| Length | 728 mm |
| Width | 22.3 mm |
| Height | 68 mm |
LG HD2C 4S9P 2-layer in parablock 3x3
| Length | 122.1 mm |
| Width | 62.8 mm |
| Height | 136.3 mm |
LG HD2C 4S9P 2-layer in parablock 1x9
| Length | 41.3 mm |
| Width | 184 mm |
| Height | 136.3 mm |
LG HD2C 4S9P 2-layer in parablock 9x1
| Length | 364.46 mm |
| Width | 22.36 mm |
| Height | 136.26 mm |
LG HD2C 4S9P 4-layer in parablock 3x3
| Length | 61.46 mm |
| Width | 62.76 mm |
| Height | 272.66 mm |
LG HD2C 4S9P 4-layer in parablock 1x9
| Length | 21.1 mm |
| Width | 184 mm |
| Height | 272.7 mm |
LG HD2C 4S9P 4-layer in parablock 9x1
| Length | 182.7 mm |
| Width | 22.4 mm |
| Height | 272.7 mm |
Calculations
Q. How to calculate the voltage for 4S9P LG HD2C pack?
A. Take the nominal voltage of the LG HD2C (3.65V) and multiply it by series connections (4) for a total of 14.60V.
Q. How to calculate the capacity and current for 4S9P LG HD2C pack?
A. Take the nominal capacity of the LG HD2C (2.10Ah) and max. continuous discharge current (20 A) and multiply them by the parallel connections (9) for a total of 18.90Ah and 180A.