18650 Battery Holder 2-Slot with Cover, On/Off Switch & Open-End Wires

The 18650 Battery Holder 2-Slot is a practical and reliable solution for securely holding and connecting two standard 18650 lithium-ion batteries. Designed for ease of use in DIY electronics, robotics, power supply projects, and embedded systems, this holder includes a protective cover, integrated ON/OFF switch, and open-end wires for quick connectivity.

The integrated cover keeps the batteries secure and shielded from environmental elements. The built-in switch allows for quick power control without disconnecting the battery pack, while the open-end wires ensure flexibility in connecting to your circuit or device.

Key Features

• Holds 2 x 18650 lithium-ion batteries securely

• Comes with protective plastic cover

• Built-in ON/OFF switch for manual control

• Pre-soldered open-end wires for easy connection

• Compact and durable design for multiple use cases

Technical Details

• Product Name: 18650 Battery Holder 2-Slot

• Battery Type: 18650 lithium-ion rechargeable

• Slots: 2 battery slots

• Configuration: Series connection (7.4V nominal output with two batteries)

• Output Voltage (Nominal): 7.4V (2 x 3.7V cells)

• Material: ABS plastic housing

• Wire Type: Pre-attached open-end leads (red & black)

• Cable Length: Approx. 15–20 cm

• Switch Type: Slide ON/OFF switch

• Cover: Snap-fit protective top cover

• Dimensions: Approx. 75mm x 40mm x 20mm

• Weight: Approx. 28g (without batteries)

• Operating Temperature Range: -20°C to +60°C

Applications

• DIY power supply for electronics and embedded systems

• Robotics and motor control projects

• Arduino and Raspberry Pi external battery packs

• Portable LED lighting or IoT prototypes

• Emergency backup power storage

Why Choose the 18650 Battery Holder 2-Slot?

This 18650 Battery Holder 2-Slot is ideal for hobbyists, students, and engineers working on battery-powered applications. Its combination of a secure battery enclosure, an ON/OFF switch, and ready-to-connect wire leads makes it user-friendly and highly adaptable. It’s an excellent choice for quick testing, permanent installations, or portable device development.

Package Includes

• 1 x 18650 Battery Holder 2-Slot with cover, ON/OFF switch, and wires