LG HD2 4S9P Specifications
| Configuration | 4S9P |
| Cell | LG 18650HD2 |
| 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 | 18000 mAh |
| Maximum continuous discharge current | 10 A |
| Charge current | 5 A |
| Watts | 146 W |
| Energy | 263 Wh |
| Volumetric energy density | 417.05 Wh/L |
| Gravimetric energy density | 152.20 Wh/kg |
| Charge time | 5 hours |
| Operating temperature | -20 ~ 70 °C |
Size Variations
LG HD2 4S9P 1-layer in parablock 1x9
| Length | 81.66 mm |
| Width | 183.96 mm |
| Height | 68.06 mm |
LG HD2 4S9P 1-layer in parablock 9x1
| Length | 728 mm |
| Width | 22.3 mm |
| Height | 68 mm |
LG HD2 4S9P 2-layer in parablock 3x3
| Length | 122.1 mm |
| Width | 62.8 mm |
| Height | 136.3 mm |
LG HD2 4S9P 2-layer in parablock 1x9
| Length | 41.3 mm |
| Width | 184 mm |
| Height | 136.3 mm |
LG HD2 4S9P 2-layer in parablock 9x1
| Length | 364.46 mm |
| Width | 22.36 mm |
| Height | 136.26 mm |
LG HD2 4S9P 4-layer in parablock 3x3
| Length | 61.46 mm |
| Width | 62.76 mm |
| Height | 272.66 mm |
LG HD2 4S9P 4-layer in parablock 1x9
| Length | 21.1 mm |
| Width | 184 mm |
| Height | 272.7 mm |
LG HD2 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 HD2 pack?
A. Take the nominal voltage of the LG HD2 (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 HD2 pack?
A. Take the nominal capacity of the LG HD2 (2.00Ah) and max. continuous discharge current (25 A) and multiply them by the parallel connections (9) for a total of 18.00Ah and 225A.