LG B4 7S3P Specifications
| Configuration | 7S3P |
| Cell | LG ICR18650B4 |
| Cell size | 18650 |
| Cell chemistry | |
| Weight | 1.0 kg |
| Length | 6.14 cm |
| Width | 2.10 cm |
| Height | 47.44 cm |
| Charge voltage | 29.40 V |
| End voltage | 19.25 V |
| Capacity | 7800 mAh |
| Maximum continuous discharge current | 10 A |
| Charge current | 7.5 A |
| Watts | 252 W |
| Energy | 197 Wh |
| Volumetric energy density | 556.75 Wh/L |
| Gravimetric energy density | 195.44 Wh/kg |
| Charge time | 5 hours |
| Operating temperature | -20 ~ 60 °C |
Size Variations
LG B4 7S3P 1-layer in parablock 3x1
| Length | 425 mm |
| Width | 22.9 mm |
| Height | 67.6 mm |
LG B4 7S3P 2-layer in parablock 1x3
| Length | 81.66 mm |
| Width | 63.36 mm |
| Height | 135.46 mm |
LG B4 7S3P 2-layer in parablock 3x1
| Length | 243.26 mm |
| Width | 22.96 mm |
| Height | 135.46 mm |
LG B4 7S3P 3-layer in parablock 1x3
| Length | 61.46 mm |
| Width | 61.46 mm |
| Height | 203.26 mm |
LG B4 7S3P 3-layer in parablock 3x1
| Length | 182.7 mm |
| Width | 23 mm |
| Height | 203.3 mm |
LG B4 7S3P 4-layer in parablock 1x3
| Length | 41.2 mm |
| Width | 61.4 mm |
| Height | 271 mm |
LG B4 7S3P 4-layer in parablock 3x1
| Length | 122.06 mm |
| Width | 22.96 mm |
| Height | 271.06 mm |
LG B4 7S3P 7-layer in parablock 1x3
| Length | 20.96 mm |
| Width | 61.36 mm |
| Height | 474.36 mm |
LG B4 7S3P 7-layer in parablock 3x1
| Length | 61.36 mm |
| Width | 20.96 mm |
| Height | 474.36 mm |
Calculations
Q. How to calculate the voltage for 7S3P 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 7S3P 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 (3) for a total of 7.80Ah and 11.25A.