LG HB6 4S21P Specifications
| Configuration | 4S21P |
| Cell | LG 18650HB6 |
| Cell size | 18650 |
| Cell chemistry | |
| Weight | 4.0 kg |
| Length | 2.11 cm |
| Width | 42.64 cm |
| Height | 27.27 cm |
| Charge voltage | 16.80 V |
| End voltage | 8.00 V |
| Capacity | 31500 mAh |
| Maximum continuous discharge current | 10 A |
| Charge current | 5 A |
| Watts | 146 W |
| Energy | 460 Wh |
| Volumetric energy density | 316.03 Wh/L |
| Gravimetric energy density | 114.09 Wh/kg |
| Charge time | 5 hours |
| Operating temperature | -20 ~ 75 °C |
Size Variations
LG HB6 4S21P 1-layer in parablock 1x21
| Length | 81.66 mm |
| Width | 426.36 mm |
| Height | 68.06 mm |
LG HB6 4S21P 1-layer in parablock 7x3
| Length | 566.46 mm |
| Width | 62.76 mm |
| Height | 68.06 mm |
LG HB6 4S21P 1-layer in parablock 21x1
| Length | 1697.6 mm |
| Width | 22.3 mm |
| Height | 68 mm |
LG HB6 4S21P 2-layer in parablock 3x7
| Length | 122.1 mm |
| Width | 143.6 mm |
| Height | 136.3 mm |
LG HB6 4S21P 2-layer in parablock 7x3
| Length | 283.7 mm |
| Width | 62.8 mm |
| Height | 136.3 mm |
LG HB6 4S21P 2-layer in parablock 1x21
| Length | 41.3 mm |
| Width | 426.4 mm |
| Height | 136.3 mm |
LG HB6 4S21P 2-layer in parablock 21x1
| Length | 849.26 mm |
| Width | 22.36 mm |
| Height | 136.26 mm |
LG HB6 4S21P 4-layer in parablock 3x7
| Length | 61.5 mm |
| Width | 143.6 mm |
| Height | 272.7 mm |
LG HB6 4S21P 4-layer in parablock 7x3
| Length | 142.3 mm |
| Width | 62.8 mm |
| Height | 272.7 mm |
LG HB6 4S21P 4-layer in parablock 21x1
| Length | 425.1 mm |
| Width | 22.4 mm |
| Height | 272.7 mm |
LG HB6 4S21P 4-layer in parablock 1x21
| Length | 21.1 mm |
| Width | 426.4 mm |
| Height | 272.7 mm |
Calculations
Q. How to calculate the voltage for 4S21P LG HB6 pack?
A. Take the nominal voltage of the LG HB6 (3.65V) and multiply it by series connections (4) for a total of 14.60V.
Q. How to calculate the capacity and current for 4S21P LG HB6 pack?
A. Take the nominal capacity of the LG HB6 (1.50Ah) and max. continuous discharge current (30 A) and multiply them by the parallel connections (21) for a total of 31.50Ah and 630A.