LG B4 7S7P Specifications
| Configuration | 7S7P |
| Cell | LG ICR18650B4 |
| Cell size | 18650 |
| Cell chemistry | |
| Weight | 2.4 kg |
| Length | 14.23 cm |
| Width | 2.30 cm |
| Height | 47.45 cm |
| Charge voltage | 29.40 V |
| End voltage | 19.25 V |
| Capacity | 18200 mAh |
| Maximum continuous discharge current | 10 A |
| Charge current | 10 A |
| Watts | 252 W |
| Energy | 459 Wh |
| Volumetric energy density | 555.94 Wh/L |
| Gravimetric energy density | 195.15 Wh/kg |
| Charge time | 5 hours |
| Operating temperature | -20 ~ 60 °C |
Size Variations
LG B4 7S7P 1-layer in parablock 7x1
| Length | 990.6 mm |
| Width | 22.9 mm |
| Height | 67.6 mm |
LG B4 7S7P 2-layer in parablock 1x7
| Length | 83.6 mm |
| Width | 142.3 mm |
| Height | 135.5 mm |
LG B4 7S7P 2-layer in parablock 7x1
| Length | 566.46 mm |
| Width | 22.96 mm |
| Height | 135.46 mm |
LG B4 7S7P 3-layer in parablock 1x7
| Length | 63.4 mm |
| Width | 142.3 mm |
| Height | 203.3 mm |
LG B4 7S7P 3-layer in parablock 7x1
| Length | 425.1 mm |
| Width | 23 mm |
| Height | 203.3 mm |
LG B4 7S7P 4-layer in parablock 1x7
| Length | 43.2 mm |
| Width | 142.3 mm |
| Height | 271.1 mm |
LG B4 7S7P 4-layer in parablock 7x1
| Length | 283.7 mm |
| Width | 23 mm |
| Height | 271.1 mm |
LG B4 7S7P 7-layer in parablock 1x7
| Length | 22.96 mm |
| Width | 142.26 mm |
| Height | 474.46 mm |
LG B4 7S7P 7-layer in parablock 7x1
| Length | 142.26 mm |
| Width | 22.96 mm |
| Height | 474.46 mm |
Calculations
Q. How to calculate the voltage for 7S7P LG B4 pack?
A. Take the nominal voltage of the LG B4 (3.6V) and multiply it by series connections (7) for a total of 25.20V.
Q. How to calculate the capacity and current for 7S7P LG B4 pack?
A. Take the nominal capacity of the LG B4 (2.60Ah) and max. continuous discharge current (3.75 A) and multiply them by the parallel connections (7) for a total of 18.20Ah and 26.25A.