Main Features

• 2P parallel battery pack: built from two 18650 lithium-ion cells connected in parallel.
• 3.7V nominal output: suitable for devices designed to work with single-cell lithium battery voltage.
• 2400mAh capacity: provides practical runtime for low-voltage portable electronics and small projects.
• JST 3-pin connector: supplied with a 2.54mm pitch 3-pin plug for compatible devices and control boards.
• Three-wire output: includes positive, negative, and temperature-sensing wire.
• Rechargeable lithium-ion type: can be recharged using a suitable 3.7V lithium-ion charging circuit.
• Ready-to-install pack: pre-wired and wrapped for easier integration in compatible products.
• Useful replacement battery: suitable for repairing compatible devices with weak or damaged 3.7V battery packs.

Technical Specifications

Connector and Wiring Details

Recommended Uses

• Replacement battery for compatible 3.7V rechargeable devices.
• Portable electronics and low-voltage embedded systems.
• Wireless modules, sensors, and small IoT projects.
• Robotics, smart toys, and compact DC-powered devices.
• Backup battery packs for small control boards.
• DIY electronics projects requiring a rechargeable 3.7V lithium pack.

Installation Notes

1. Compare the battery voltage, connector shape, connector pitch, and wire order with the original device battery before installation.
2. Confirm the polarity using a multimeter before connecting the pack to any circuit.
3. Use only a charger or charging board designed for 3.7V lithium-ion batteries.
4. Do not connect the red and black wires together directly.
5. Do not ignore the yellow temperature wire if the original device requires a temperature sensor connection.
6. Mount the battery pack in a stable position away from sharp edges, high heat, or moving mechanical parts.

Important Safety Notes

• Do not open, crush, puncture, bend, or disassemble the battery pack.
• Do not expose the battery to fire, water, direct heat, or temperatures above 60°C.
• Do not short-circuit the battery wires.
• Stop using the battery if it becomes swollen, damaged, overheated, or leaking.
• Charge only under supervision and do not leave the battery charging for long periods unattended.
• Keep away from children unless used under adult supervision.
• Dispose of lithium batteries according to safe battery recycling instructions.

Package Includes

• 1 × 18650 2P 3.7V 2400mAh Rechargeable Li-ion Battery Pack with JST 3-Pin 2.54mm Plug

Micro Ohm Quality Note

This product is listed with clear wiring and safety notes to help customers choose the correct battery pack for compatible 3.7V devices. Before replacement, always compare voltage, capacity, connector pitch, connector direction, and wire order with the original battery pack.