
Panasonic B 12S3P Specifications
Configuration | 12S3P |
Cell | Panasonic NCR18650B |
Cell size | 18650 |
Cell chemistry | |
Weight | 1.7 kg |
Length | 6.14 cm |
Width | 2.23 cm |
Height | 81.94 cm |
Charge voltage | 50.40 V |
End voltage | 30.00 V |
Capacity | 10050 mAh |
Maximum continuous discharge current | 10 A |
Charge current | 4.875 A |
Watts | 432 W |
Energy | 434 Wh |
Volumetric energy density | 687.16 Wh/L |
Gravimetric energy density | 248.57 Wh/kg |
Charge time | 5 hours |
Operating temperature | -20 ~ 60 °C |
Size Variations

Panasonic B 12S3P 1-layer in parablock 3x1
Length | 728 mm |
Width | 22.3 mm |
Height | 68.1 mm |

Panasonic B 12S3P 2-layer in parablock 1x3
Length | 122.1 mm |
Width | 62.8 mm |
Height | 136.5 mm |

Panasonic B 12S3P 2-layer in parablock 3x1
Length | 364.46 mm |
Width | 22.36 mm |
Height | 136.46 mm |

Panasonic B 12S3P 3-layer in parablock 1x3
Length | 81.66 mm |
Width | 62.76 mm |
Height | 204.76 mm |

Panasonic B 12S3P 3-layer in parablock 3x1
Length | 243.3 mm |
Width | 22.4 mm |
Height | 204.8 mm |

Panasonic B 12S3P 4-layer in parablock 1x3
Length | 61.46 mm |
Width | 62.76 mm |
Height | 273.06 mm |

Panasonic B 12S3P 4-layer in parablock 3x1
Length | 182.7 mm |
Width | 22.4 mm |
Height | 273.1 mm |

Panasonic B 12S3P 6-layer in parablock 1x3
Length | 41.2 mm |
Width | 62.7 mm |
Height | 409.6 mm |

Panasonic B 12S3P 6-layer in parablock 3x1
Length | 122.06 mm |
Width | 22.36 mm |
Height | 409.66 mm |

Panasonic B 12S3P 12-layer in parablock 1x3
Length | 20.96 mm |
Width | 62.66 mm |
Height | 819.36 mm |

Panasonic B 12S3P 12-layer in parablock 3x1
Length | 61.36 mm |
Width | 22.26 mm |
Height | 819.36 mm |
Calculations
Q. How to calculate the voltage for 12S3P Panasonic B pack?
A. Take the nominal voltage of the Panasonic B (3.6V) and multiply it by series connections (12) for a total of 43.20V.
Q. How to calculate the capacity and current for 12S3P Panasonic B pack?
A. Take the nominal capacity of the Panasonic B (3.35Ah) and max. continuous discharge current (4.875 A) and multiply them by the parallel connections (3) for a total of 10.05Ah and 14.625A.