3.7V 2000mAh Rechargeable Li-ion Battery Pack with BMS and 2-Pin JST XH Connector
Product Description
Power your compatible electronic projects with the 3.7V 2000mAh Lithium-Ion Rechargeable Battery Pack from Simple Electronics. Designed for portable electronics and DIY applications, this battery pack features a nominal voltage of 3.7V, a rated capacity of 2000mAh, and a 2-pin JST XH-style connector with a 2.54mm pitch.
The built-in Battery Management System (BMS), if confirmed on the supplied version, helps protect the battery against specified electrical faults such as overcharging, overdischarging, and short circuits. Its rechargeable design makes it a practical power source for compatible Bluetooth speakers, LED lights, emergency lights, toys, and other low-voltage electronic devices.
With its pre-attached connector, the battery can be integrated into compatible circuits without needing to attach separate connector wires.
Key Features
3.7V Nominal Voltage: Suitable for electronic devices designed for a single-cell lithium-ion battery.
2000mAh Capacity: Provides a rated capacity of 2000mAh for compatible portable electronics.
Rechargeable Lithium-Ion Battery: Designed for repeated charging using a compatible charging circuit.
Built-In BMS Protection: Advertised protection against overcharge, overdischarge, overheating, and short circuits; confirm the exact protection functions with the supplier.
2-Pin JST XH-Style Connector: Features a 2.54mm-pitch connector for compatible devices and circuit boards.
Pre-Wired Connection: Helps simplify installation in compatible electronic projects.
Multiple Applications: Suitable for compatible Bluetooth speakers, LED lighting, emergency lights, toys, IoT devices, and other portable electronics.
Technical Specifications
Specification | Details |
Product Type | Rechargeable Lithium-Ion Battery Pack |
Battery Chemistry | Lithium-Ion (Li-ion) |
Nominal Voltage | 3.7V |
Rated Capacity | 2000mAh (2Ah) |
Energy Capacity | Approximately 7.4Wh (calculated from nominal voltage and capacity) |
Protection Circuit | Built-in BMS, as advertised |
Connector Type | 2-Pin JST XH-style |
Connector Pitch | 2.54mm, as advertised |
Rechargeable | Yes |
Model Name | 3.72000GREEN (supplier-listed) |
Approximate Weight | 50g (supplier-listed) |
Package Quantity | 1 battery pack |
Applications
Bluetooth speakers
LED lights and portable lighting
Emergency lights
Compatible toys and DIY electronics
IoT and low-power electronic projects
Security cameras designed for a compatible 3.7V battery
Portable fans and flashlights designed for a single-cell Li-ion supply
Package Includes
1 × 3.7V 2000mAh Lithium-Ion Rechargeable Battery Pack with 2-Pin Connector
Important Safety and Compatibility Notes
Check the device's required voltage, connector polarity, dimensions, and maximum current before connecting the battery.
Use only a charger or charging circuit specifically designed for the supplied lithium-ion cell and its protection circuit.
Do not short-circuit, puncture, crush, overheat, or expose the battery to water.
The battery's discharge-current rating and physical dimensions have not been provided. Confirm these details before using it with motors, drones, or other high-current devices.
The connector is described as JST XH-style. Verify its exact compatibility and polarity before installation.
Do not assume the battery is suitable for every device listed; each device must support the battery's voltage and current requirements.



















































