7S9P 135A NCR20700B battery

Design, dimensions and technical specifications.

  • Cell count: 63 (same rank cells)
  • Cell type: Li-ion Panasonic NCR20700B 3.6V-3.7V 4.25Ah 15A
  • DC IR: <20mΩ
  • Series-Parallel-Connected Cells: 7S9P
  • Current capacity: 38.25Ah (38250 mAh)
  • Voltage (nominal) 25.9V
  • Energy capacity: 990Wh
  • Power: 3496W
  • Maximum continuous discharge current: 135A
  • Pulse discharge current (10sec): 160A
  • Maximum allowable charge voltage: 29.4V
  • The discharge end voltage should be more than 18.9V (21.7V for long lifespan)
  • Charging current (CC): max.16A 
  • Weight: +/- 4095g  – including wiring harnesses, connectors & covering
  • Physical dimensions (distance between cell pack edges, excluding harnesses):  200 x 130 x 75 mm
  • Gold plated discharge connector (customizable): EC5/ XT90s/ XT150 / AS150 / CASTLE 6.5 / SB175A
  • Integrated temperature sensor (LM35), with standard 3-pin connector
  • Passive thermal management
  • Discharge wire type: Multi-strand 10AWG Flexible Shielded Discharge Cables
  • Discharge wire length (pack to connector end) +/- 40mm
  • Balance Plug: JST-XH 8-pin 2.5mm (-123456+) / JST-XH 7-pin 2.5mm (-123456) / only wires
  • Balance wire length (pack to connector end): +/- 70mm