arduino battery socket

The 2-Slot 18650 Battery Holder is an essential power enclosure designed to hold two 3.7V 18650 lithium-ion rechargeable batteries in series or parallel configurations. Built from durable, flame-retardant ABS plastic, this compact battery socket provides a stable, secure power source for custom DIY electronics, Arduino projects, robotics, LED setups, and portable equipment.

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Key Features

• Dual Slot Enclosure: Safely holds two standard 18650 rechargeable Li-ion batteries.

• Durable ABS Construction: Built with tough, impact-resistant plastic for long-lasting workshop and field use.

• Firm Spring Contacts: Heavy-duty nickel-plated spring contacts ensure low contact resistance and continuous electrical connectivity.

• Pre-Stripped Lead Wires: Comes with color-coded (red/positive, black/negative) lead wires for easy soldering or connection to breadboards, terminal blocks, and microcontrollers.

• Compact & Lightweight: Easy to mount inside custom electronics enclosures, 3D-printed chassis, or robotics project builds.

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Technical Specifications

Feature	Specification
Compatible Battery Type	2 × 18650 Rechargeable Li-ion Batteries
Output Voltage (Series Configuration)	Nominal 7.4V (up to 8.4V fully charged)
Body Material	ABS Plastic
Contact Material	Nickel-Plated Steel Springs
Wire Leads	Approx. 15 cm Color-Coded Wires (Red +, Black -)
Mounting Options	Screw Holes / Adhesive Mounting