2x 18650 Cell Holder with Cover and On/Off Switch

Overview

The 2x 18650 Cell Holder with Cover and On/Off Switch is a compact, durable battery case designed to securely hold two 18650 lithium-ion cells and provide convenient power control for DIY electronics. With a built-in switch and snap-on cover, this holder simplifies wiring and improves safety for hobbyist and professional projects.

Key Features

• Holds 2x 18650 cells – accommodates two standard 18650 lithium-ion batteries (cells not included).
• Integrated on/off switch – turn power on and off without adding an external switch.
• Protective snap-on cover – reduces risk of dust, accidental contact, and short circuits.
• Pre-soldered wire leads – ready to connect to your circuit for fast installation.
• Durable ABS construction – impact-resistant and lightweight for portable builds.
• Compact footprint – ideal for embedded, handheld, and battery-powered devices.

Specifications

• Battery Type: 2 x 18650 Lithium-ion cells (not included)
• Configuration: Series or parallel wiring depends on how batteries are installed in the circuit
• Material: ABS plastic housing
• Cover: Secure snap-on lid
• Switch: Integrated on/off power switch
• Wires: Pre-attached leads for soldering or quick-connect
• Dimensions: Compact, lightweight design for portable projects

Applications – Where to Use This 18650 Battery Holder

• Power supply for Arduino, ESP32, Raspberry Pi (with voltage regulation)
• Robotics, smart car kits, and remote-controlled projects
• LED strips, portable lighting, and wearable electronics
• DIY portable devices, sensors, and battery-powered prototypes
• Prototyping and testing electronic modules that require removable cells

Installation and Wiring Tips

• Check polarity markings before inserting cells to avoid damage.
• Use proper cell holders rated for 18650 cells and ensure batteries are high-quality and protected where required.
• If you need a higher voltage, wire the cells in series; for higher capacity at the same voltage wire in parallel. Verify your circuit requirements.
• Solder the pre-attached leads to your PCB or use connectors; avoid prolonged heat on battery contacts.
• Include appropriate battery protection circuitry if the cells are unprotected or for charging applications.

Safety and Handling

• Do not include cells when storing or shipping this holder; always follow shipping regulations for lithium batteries.
• Only use undamaged 18650 cells from reputable manufacturers and avoid mixing cells of different charge levels or ages.
• Keep the snap-on cover in place to reduce the risk of short circuits and accidental contact with terminals.
• Never short the leads and avoid exposing the holder to extreme heat or moisture.
• Always follow best practices for lithium-ion battery charging, discharging, and storage.

Why Choose This 18650 Battery Holder with Switch

• Combines secure battery retention, on-board power switching, and easy wiring for fast project integration.
• Perfect for makers, students, and engineers building portable electronics where quick power control is essential.
• Affordable, reliable solution to mount and manage two 18650 cells without modifying your device enclosure.

Note: Images are for illustration purposes only.