LG B4 3S12P Specifications
| Configuration | 3S12P |
| Cell | LG ICR18650B4 |
| Cell size | 18650 |
| Cell chemistry | |
| Weight | 1.7 kg |
| Length | 24.33 cm |
| Width | 2.24 cm |
| Height | 20.33 cm |
| Charge voltage | 12.60 V |
| End voltage | 8.25 V |
| Capacity | 31200 mAh |
| Maximum continuous discharge current | 10 A |
| Charge current | 5 A |
| Watts | 108 W |
| Energy | 337 Wh |
| Volumetric energy density | 555.57 Wh/L |
| Gravimetric energy density | 195.02 Wh/kg |
| Charge time | 5 hours |
| Operating temperature | -20 ~ 60 °C |
Size Variations
LG B4 3S12P 1-layer in parablock 3x4
| Length | 182.66 mm |
| Width | 82.96 mm |
| Height | 67.66 mm |
LG B4 3S12P 1-layer in parablock 4x3
| Length | 243.26 mm |
| Width | 62.76 mm |
| Height | 67.66 mm |
LG B4 3S12P 1-layer in parablock 1x12
| Length | 61.46 mm |
| Width | 244.56 mm |
| Height | 67.66 mm |
LG B4 3S12P 1-layer in parablock 6x2
| Length | 364.44 mm |
| Width | 42.54 mm |
| Height | 67.64 mm |
LG B4 3S12P 1-layer in parablock 12x1
| Length | 728 mm |
| Width | 22.3 mm |
| Height | 67.6 mm |
LG B4 3S12P 2-layer in parablock 2x6
| Length | 81.7 mm |
| Width | 123.4 mm |
| Height | 135.5 mm |
LG B4 3S12P 2-layer in parablock 3x4
| Length | 122.1 mm |
| Width | 83 mm |
| Height | 135.5 mm |
LG B4 3S12P 2-layer in parablock 4x3
| Length | 162.5 mm |
| Width | 62.8 mm |
| Height | 135.5 mm |
LG B4 3S12P 2-layer in parablock 6x2
| Length | 243.3 mm |
| Width | 42.6 mm |
| Height | 135.5 mm |
LG B4 3S12P 2-layer in parablock 1x12
| Length | 41.3 mm |
| Width | 244.6 mm |
| Height | 135.5 mm |
LG B4 3S12P 2-layer in parablock 12x1
| Length | 485.66 mm |
| Width | 22.36 mm |
| Height | 135.46 mm |
LG B4 3S12P 3-layer in parablock 2x6
| Length | 41.26 mm |
| Width | 123.36 mm |
| Height | 203.26 mm |
LG B4 3S12P 3-layer in parablock 3x4
| Length | 61.46 mm |
| Width | 82.96 mm |
| Height | 203.26 mm |
LG B4 3S12P 3-layer in parablock 4x3
| Length | 81.66 mm |
| Width | 62.76 mm |
| Height | 203.26 mm |
LG B4 3S12P 3-layer in parablock 6x2
| Length | 122.06 mm |
| Width | 42.56 mm |
| Height | 203.26 mm |
LG B4 3S12P 3-layer in parablock 1x12
| Length | 21.1 mm |
| Width | 244.6 mm |
| Height | 203.3 mm |
LG B4 3S12P 3-layer in parablock 12x1
| Length | 243.3 mm |
| Width | 22.4 mm |
| Height | 203.3 mm |
Calculations
Q. How to calculate the voltage for 3S12P 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 3S12P 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 (12) for a total of 31.20Ah and 45A.