LG B4 3S15P Specifications
| Configuration | 3S15P |
| Cell | LG ICR18650B4 |
| Cell size | 18650 |
| Cell chemistry | |
| Weight | 2.2 kg |
| Length | 2.11 cm |
| Width | 30.52 cm |
| Height | 20.33 cm |
| Charge voltage | 12.60 V |
| End voltage | 8.25 V |
| Capacity | 39000 mAh |
| Maximum continuous discharge current | 10 A |
| Charge current | 5 A |
| Watts | 108 W |
| Energy | 421 Wh |
| Volumetric energy density | 555.24 Wh/L |
| Gravimetric energy density | 194.91 Wh/kg |
| Charge time | 5 hours |
| Operating temperature | -20 ~ 60 °C |
Size Variations
LG B4 3S15P 1-layer in parablock 5x3
| Length | 303.86 mm |
| Width | 62.76 mm |
| Height | 67.66 mm |
LG B4 3S15P 1-layer in parablock 1x15
| Length | 61.46 mm |
| Width | 305.16 mm |
| Height | 67.66 mm |
LG B4 3S15P 1-layer in parablock 15x1
| Length | 909.8 mm |
| Width | 22.3 mm |
| Height | 67.6 mm |
LG B4 3S15P 2-layer in parablock 3x5
| Length | 122.1 mm |
| Width | 103.2 mm |
| Height | 135.5 mm |
LG B4 3S15P 2-layer in parablock 5x3
| Length | 202.9 mm |
| Width | 62.8 mm |
| Height | 135.5 mm |
LG B4 3S15P 2-layer in parablock 1x15
| Length | 41.3 mm |
| Width | 305.2 mm |
| Height | 135.5 mm |
LG B4 3S15P 2-layer in parablock 15x1
| Length | 606.86 mm |
| Width | 22.36 mm |
| Height | 135.46 mm |
LG B4 3S15P 3-layer in parablock 3x5
| Length | 61.46 mm |
| Width | 103.16 mm |
| Height | 203.26 mm |
LG B4 3S15P 3-layer in parablock 5x3
| Length | 101.86 mm |
| Width | 62.76 mm |
| Height | 203.26 mm |
LG B4 3S15P 3-layer in parablock 15x1
| Length | 303.9 mm |
| Width | 22.4 mm |
| Height | 203.3 mm |
LG B4 3S15P 3-layer in parablock 1x15
| Length | 21.1 mm |
| Width | 305.2 mm |
| Height | 203.3 mm |
Calculations
Q. How to calculate the voltage for 3S15P LG B4 pack?
A. Take the nominal voltage of the LG B4 (3.6V) and multiply it by series connections (3) for a total of 10.80V.
Q. How to calculate the capacity and current for 3S15P 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 (15) for a total of 39.00Ah and 56.25A.