Description
BAK 20S 72V 20000mAh (20Ah) 20S4P 3C Lithium-Ion Rechargeable Battery Pack
The BAK 20S 72V 20000mAh (20Ah) 20S4P 3C Lithium-Ion Rechargeable Battery Pack is a high-capacity NMC Lithium-Ion battery pack designed for electric scooters, e-bikes, electric motorcycles, EV applications, robotics, and industrial equipment requiring a reliable 72V-class power source.
Built in a 20S4P configuration, the pack contains 80 lithium-ion cells, arranged as 20 series groups with 4 cells connected in parallel in each group.
Using a typical 3.6V nominal NMC cell voltage, the battery provides approximately 72V nominal voltage and approximately 1.44kWh nominal energy. With standard 4.2V-per-cell charging, the maximum charging voltage is 84V.
The battery pack can be customized with a suitable BMS, cell balancing, connectors, wiring, insulation, enclosure, and protection system according to your application requirements.
Key Features
- BAK Lithium-Ion Cells
- NMC Lithium-Ion Chemistry
- 20S4P Battery Configuration
- 72V-Class Lithium-Ion Battery
- 20000mAh (20Ah) Capacity
- 3C Cell Technology
- Approximately 1.44kWh Nominal Energy
- High Energy Density
- Rechargeable Battery Pack
- Optional Standard or Smart BMS
- Bluetooth / CAN / RS485 BMS Options
- Custom Connectors & Wiring Available
- Suitable for EV & Industrial Applications
- OEM & Custom Battery Pack Manufacturing
Battery Configuration
20S4P = 20 series groups × 4 cells in parallel
- Series: 20
- Parallel: 4
- Total cells: 80
- Capacity: 20Ah
- Nominal voltage: approximately 72V
- Maximum charging voltage: 84V
- Nominal energy: approximately 1.44kWh
- Battery class: 72V Lithium-Ion
Applications
- 72V Electric Scooters
- Electric Bikes
- Electric Motorcycles
- EV Battery Packs
- Electric Rickshaws
- Robotics
- AGV & AMR Systems
- Industrial Equipment
- Portable Power Systems
- Backup Power Systems
- Custom OEM Battery Packs
Advantages
- High-capacity 20Ah battery
- 20S4P configuration
- Approximately 1.44kWh energy
- 72V-class lithium-ion output
- NMC lithium-ion chemistry
- High energy density
- Optional Smart BMS
- Custom wiring and connectors
- Suitable for EV and industrial applications
- OEM and bulk manufacturing available
Package Includes
1 × BAK 20S 72V 20000mAh (20Ah) 20S4P 3C Lithium-Ion Rechargeable Battery Pack


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