ELBOTICS 3.7V 4000mAh Rechargeable Li-ion Battery with JST XH2.54 2-Pin Connector for Bluetooth Speakers, LED Lights & DIY Electronic

Product Overview

The ELBOTICS 3.7V 4000mAh Rechargeable Li-ion Battery with JST XH2.54 2-Pin Connector is a reliable and high-capacity power solution designed for a wide range of portable electronic devices. Built with a 1S2P lithium-ion battery configuration, it delivers stable 3.7V output and a powerful 4000mAh capacity for extended runtime and dependable performance. Whether you need a replacement battery for a Bluetooth speaker or a dependable power source for LED lighting, DIY electronics, handheld devices, or robotics projects, this battery provides consistent power with enhanced safety.

Key Features

• High-capacity 4000mAh lithium-ion battery for longer operating time.

• Stable 3.7V DC output suitable for many portable electronic devices.

• Standard JST XH2.54 2-Pin connector for secure and easy installation.

• 1S2P battery configuration designed to provide reliable and consistent power.

• Built-in protection against overcharging, over-discharging, overcurrent, and short circuits.

• Rechargeable design supporting 500+ charge cycles under normal operating conditions.

• Lightweight and compact construction for easy integration into compatible devices.

• Ideal for replacing old or damaged rechargeable battery packs.

Technical Specifications

Applications

Bluetooth Speakers

Restore the performance of compatible Bluetooth speakers with a reliable rechargeable battery that delivers stable power and longer playback time.

LED Lighting

Suitable for rechargeable LED lamps, emergency lights, portable lighting systems, and other low-voltage lighting applications.

DIY Electronics Projects

Perfect for makers, hobbyists, and engineers working on Arduino, robotics, IoT, and custom battery-powered electronic projects.

Portable Electronic Devices

Can be used in compatible handheld electronic devices, rechargeable equipment, GPS units, portable fans, and other battery-operated products that require a 3.7V lithium-ion battery with a JST XH2.54 connector.

Why Choose ELBOTICS

ELBOTICS focuses on delivering dependable power solutions designed for everyday electronic applications. Every battery is manufactured using quality lithium-ion cells and includes built-in protection circuitry for improved safety and long-term reliability. Whether you are replacing an existing battery or building a new electronic project, ELBOTICS batteries are engineered to provide stable performance, longer service life, and consistent output.

Safety Instructions

• Use only with compatible 3.7V devices.

• Always verify the battery size and connector before installation.

• Do not puncture, crush, or expose the battery to fire or excessive heat.

• Charge only with a compatible lithium-ion battery charger.

• Keep away from water, moisture, and direct sunlight.

• Store the battery in a cool and dry place when not in use.

• Keep out of reach of children.

Package Includes

• 1 × ELBOTICS 3.7V 4000mAh Rechargeable Li-ion Battery with JST XH2.54 2-Pin Connector

Why This Battery Is a Great Choice

If you are looking for a dependable 3.7V 4000mAh rechargeable battery for Bluetooth speakers, LED lighting systems, DIY electronics, robotics, or other compatible electronic devices, the ELBOTICS battery offers an excellent combination of capacity, safety, and long-lasting performance. Its rechargeable design helps reduce replacement costs while providing reliable power for everyday use.