TANHEYIN 18V to 12V Step-Down Converter for Ryobi Batteries | 240W, 20A, Auto Shut-Off

Overview

TANHEYIN presents an 18V to 12V step-down converter designed to draw power from Ryobi 18V battery packs. It delivers a steady 12V DC output with up to 240W of capacity, making it a flexible option for hobby projects, ride-on toys, RC cars, and small tools that need a reliable 12V source. Its compact form allows for discreet mounting in tool chests, hobby builds, or vehicle chassis, providing a practical power bridge where you need it most.

Key features at a glance

• DC STEP DOWN CONVERTER: Converts 18V DC from compatible Ryobi packs to a 12V DC output with up to 20A max current, delivering up to 240W.
• ADVANCED SAFETY PROTECTION: Built-in smart chip with protections for low voltage, over-voltage, over-current, short-circuit, overload, and overheating for safer operation.
• LOW VOLTAGE AUTO SHUT-OFF: Automatically stops when input drops below 15.2V to reduce battery wear; a 30A fuse helps handle surge currents.
• WIDELY USED IN SCENES: Ideal for power wheel adapters, RC toy cars, LED lighting, work lamps, golf carts, and DIY projects needing a 12V supply.
• BUILD AND INSTALLATION: Made with heat-resistant ABS and a 12AWG lead; simple mounting with two screws; polarity cues mark yellow positive and black negative.

Practical use cases

In workshops or play areas, connect a Ryobi 18V battery to this adapter to run 12V LEDs, small fans, or 12V accessories on demand. For hobbyists building RC cars or power wheels, the converter provides a compact power bridge that can extend playtime and support diverse accessories without swapping batteries constantly.

Safety and maintenance tips

• Respect polarity: yellow is positive, black is negative.
• Disconnect the battery when not in use to minimize unnecessary discharge.
• Inspect connections and the fuse periodically to maintain solid contact and safe operation.

Compatibility and what's included

The unit is designed to work with a broad range of Ryobi 18V packs (P-series and others). Battery not included. The kit includes the regulator module and mounting hardware, with straightforward guidance for integration into DIY projects and compact power setups.