LG HG2 3S7P Specifications
| Configuration | 3S7P |
| Cell | LG INR18650HG2 |
| Cell size | 18650 |
| Cell chemistry | |
| Weight | 1.0 kg |
| Length | 14.23 cm |
| Width | 2.24 cm |
| Height | 20.45 cm |
| Charge voltage | 12.60 V |
| End voltage | 7.50 V |
| Capacity | 21000 mAh |
| Maximum continuous discharge current | 10 A |
| Charge current | 5 A |
| Watts | 108 W |
| Energy | 227 Wh |
| Volumetric energy density | 617.09 Wh/L |
| Gravimetric energy density | 229.99 Wh/kg |
| Charge time | 5 hours |
| Operating temperature | -20 ~ 75 °C |
Size Variations
LG HG2 3S7P 1-layer in parablock 7x1
| Length | 425 mm |
| Width | 22.3 mm |
| Height | 68 mm |
LG HG2 3S7P 2-layer in parablock 1x7
| Length | 41.3 mm |
| Width | 143.6 mm |
| Height | 136.3 mm |
LG HG2 3S7P 2-layer in parablock 7x1
| Length | 283.66 mm |
| Width | 22.36 mm |
| Height | 136.26 mm |
LG HG2 3S7P 3-layer in parablock 1x7
| Length | 21.06 mm |
| Width | 143.56 mm |
| Height | 204.46 mm |
LG HG2 3S7P 3-layer in parablock 7x1
| Length | 142.26 mm |
| Width | 22.36 mm |
| Height | 204.46 mm |
Calculations
Q. How to calculate the voltage for 3S7P LG HG2 pack?
A. Take the nominal voltage of the LG HG2 (3.6V) and multiply it by series connections (3) for a total of 10.80V.
Q. How to calculate the capacity and current for 3S7P LG HG2 pack?
A. Take the nominal capacity of the LG HG2 (3.00Ah) and max. continuous discharge current (20 A) and multiply them by the parallel connections (7) for a total of 21.00Ah and 140A.