Power your high-draw projects with our 2-Slot UM-1 Battery Holder. Specifically engineered to house two Size D (UM-1/R20) batteries, this holder provides a stable 3V output when wired in series. Featuring a robust black plastic chassis and pre-installed wire leads, it is the ideal solution for hobbyists, engineers, and students requiring a reliable, high-capacity portable power source for motors, radios, and custom electronic builds.
High-Drain DIY Electronics: Ideal for powering high-torque DC motors, large LED arrays, and microcontrollers requiring a steady 3V source.
Vintage Radio Repair: A perfect replacement part for restoring power compartments in classic portable radios and boomboxes.
Educational Science Projects: A durable and easy-to-use component for classroom experiments involving series and parallel circuits.
Emergency Backup Systems: Build your own portable 3V power pack for emergency lighting or signaling devices.
Pre-Soldered Wire Leads: Comes with high-quality, color-coded (Red/Black) leads for immediate connection to your project board or device.
Durable ABS Construction: Molded from high-impact black plastic to protect large batteries from external shocks and vibrations.
High-Tension Contact Springs: Features heavy-duty nickel-plated springs to ensure constant electrical contact and prevent battery slippage during movement.
Secure Mounting Options: The base includes integrated mounting holes for easy screw-fastening to a chassis or project enclosure.
Professional Low-Profile Design: The sleek black finish provides a clean, factory-standard look for internal or external project mounting.
Maximum Connectivity: Precision-engineered contacts minimize resistance, ensuring efficient power delivery from the batteries to your circuit.
Battery Type: 2 x UM-1 / Size D / R20
Material: High-Impact Black ABS Plastic
Will this fit rechargeable D-cell batteries?
Yes. This holder is fully compatible with standard Size D Alkaline, Zinc-Carbon, and NiMH rechargeable batteries.
How do I mount it securely?
The holder features small pre-drilled holes in the base.
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