Description
Power Pack 3.7V 20000mAh 1S10P 1C Lithium-Ion Rechargeable NMC Battery Pack
The Power Pack 3.7V 20000mAh 1S10P 1C BMS 5A Lithium-Ion Rechargeable NMC Battery Pack is a high-capacity rechargeable battery designed for applications requiring a 3.7V nominal power supply with 20Ah capacity.
This battery pack is assembled using ten 18650 NMC lithium-ion cells connected in a 1S10P configuration. Connecting the cells in parallel increases the overall capacity while maintaining the nominal voltage at 3.7V.
An integrated 1S 5A BMS (Battery Management System) helps protect the pack during charging and discharging and is suitable for a wide range of low-voltage electronic and portable power applications.
Key Features
- Nominal Voltage: 3.7V
- Battery Capacity: 20000mAh / 20Ah
- Configuration: 1S10P
- Chemistry: NMC Lithium-Ion
- Cell Type: 18650
- Cell Capacity: 2000mAh
- Total Cells: 10
- Cell Discharge Rating: 1C
- Theoretical 1C Pack Current: 20A
- BMS Rating: 1S 5A
- Rechargeable lithium-ion battery pack
- High-capacity parallel configuration
- Compact and customizable battery construction
- Suitable for OEM and custom battery applications
1S10P Battery Configuration
The 1S10P configuration consists of ten 18650 cells connected in parallel:
- 1 series group (1S)
- 10 cells connected in parallel (10P)
- Each cell: 3.7V, 2000mAh
- Total voltage: 3.7V nominal
- Total capacity: 20,000mAh / 20Ah
- Maximum charging voltage: 4.2V
- Energy capacity: approximately 74Wh
1C Lithium-Ion Configuration
Each 18650 cell has a nominal capacity of 2000mAh.
2000mAh × 10 cells = 20,000mAh
Therefore:
Theoretical 1C pack current = 20Ah × 1C = 5A
The 5A BMS rating is the BMS current/protection specification. It does not by itself guarantee that the complete battery pack can continuously deliver 5A. Actual allowable current depends on the cells, BMS, wiring, connectors, interconnections, and thermal conditions.
BMS Protection
The integrated 1S 5A BMS is designed to help protect the battery pack against common electrical fault conditions.
Protection functions may include:
- Overcharge protection
- Over-discharge protection
- Overcurrent protection
- Short-circuit protection
- Battery protection during charging and discharging
Connector & Wire
- Connector: 5mm DC Jack / 2-Pin JST 54mm
- Wire Length: 5cm
- Custom Wire Length: Available
- Connector and cable configuration can be customized according to application requirements.
Applications
This 3.7V 20Ah NMC lithium-ion battery pack can be used for:
- Portable electronic equipment
- LED lighting systems
- IoT devices
- GPS and tracking equipment
- Monitoring systems
- Security equipment
- Backup power systems
- Portable instruments
- DIY electronics projects
- Robotics and automation
- Communication equipment
- Custom electronic devices
- OEM battery applications
Advantages
- 20Ah high-capacity battery pack
- 1S10P configuration for increased capacity
- Rechargeable NMC lithium-ion chemistry
- Integrated 5A BMS
- Customizable wire and connector options
- Suitable for OEM and bulk requirements
- Designed for a wide range of low-voltage applications
Package Includes
- 1 × 3.7V 20000mAh 1S10P NMC Lithium-Ion Battery Pack
- 1 × 1S 5A BMS
- Connector and wires as specified




