BAK 20S 72V 40000mAh (40Ah) 20S8P 3C Lithium-Ion Rechargeable Battery Pack

58,576.27 Price Excluding Tax

SpecificationDetails
BrandBAK
Battery TypeRechargeable Lithium-Ion Battery Pack
Configuration20S8P
Nominal Voltage72V
Nominal Capacity40Ah / 40,000mAh
Nominal EnergyApprox. 2.88 kWh
Discharge Rating3C
Approx. Theoretical Discharge120A
Series Configuration20S
Parallel Configuration8P
Total Cells160 cells, assuming one cell per position
Cell TypeBAK Lithium-Ion Cylindrical Cells
RechargeableYes
BMSRequired for battery-pack operation
ApplicationsEV, E-Bike, Scooter, Industrial & Energy Storage

Description

BAK 20S 72V 40000mAh (40Ah) 20S8P 3C Lithium-Ion Rechargeable Battery Pack

The BAK 20S 72V 40000mAh (40Ah) 20S8P 3C Lithium-Ion Rechargeable Battery Pack is a high-capacity lithium-ion battery solution designed for electric mobility, industrial equipment, robotics, and custom energy-storage applications. With a 72V nominal voltage and 40Ah capacity, this battery pack provides approximately 2.88 kWh of nominal energy, making it suitable for applications requiring extended operating range and dependable power delivery.

The battery is configured as 20S8P, combining 20 series-connected groups with 8 cells connected in parallel in each group. This configuration provides high system voltage while increasing battery capacity and current capability.

With the specified 3C discharge rating, a 40Ah battery has a theoretical discharge capability of approximately 120A, subject to the actual BAK cell specifications, BMS rating, thermal management, and pack construction.

Key Features

  • 72V 40Ah high-capacity lithium-ion battery pack
  • 40,000mAh nominal capacity
  • 20S8P configuration
  • Approximately 2.88 kWh nominal energy
  • Specified 3C discharge capability
  • Theoretical current capability of approximately 120A
  • Designed for high-energy electric mobility applications
  • Rechargeable lithium-ion technology
  • Suitable for custom EV and industrial battery systems
  • Compatible with a properly rated BMS and lithium-ion charger

Applications

The BAK 72V 40Ah Lithium-Ion Battery Pack is suitable for:

  • Electric bikes and high-performance e-bikes
  • Electric scooters
  • Electric motorcycles
  • Electric three-wheelers
  • Electric utility vehicles
  • EV conversion projects
  • Robotics and automation
  • Industrial equipment
  • Portable power systems
  • Custom lithium battery projects
  • Energy-storage applications