If you’re searching for an official RIDGID battery adapter that lets an 18V RIDGID battery run a DeWalt, Milwaukee, Craftsman, or another-brand tool, the short answer is: nothing like that turned up in this review. RIDGID’s own storefront does list two useful battery-powered accessories, but both are strictly battery-to-power devices that work with RIDGID’s own 18V batteries, not bridges to other platforms.
What RIDGID actually sells for its 18V batteries
The first accessory is the RIDGID 18V USB Portable Power Source. RIDGID says it’s built to “Charge your mobile devices anywhere,” and it comes with a “2 Amp USB Port and Belt Clip.” On compatibility, RIDGID states “Any RIDGID 18V battery is compatible with” the unit, and the accessory carries “Free Parts and Service for Life with Registration.” That’s a handy way to turn a tool battery into a phone charger on a job site, but it is not an adapter for running another voltage platform or another brand’s tools.
The second is the RIDGID 18V 175-Watt Power Inverter (AC86097). According to RIDGID’s own page, it has “(1) 120V Outlet,” “(2) USB-A Ports, and (1) USB-C Port,” and can charge “up to four devices at the same time.” It’s also “equipped with an external LED light,” “100% compatible with all RIDGID 18V batteries,” and “backed by the Industry’s Only Lifetime Service Agreement, simply register within 90 days of purchase for FREE Parts, Free Service, For LIFE.” Again, this is a power source, not a platform bridge: it takes a RIDGID 18V battery and gives you household AC and USB outlets. You can’t attach it to a non-RIDGID tool and expect the tool to run.
The JobMax wrinkle — interesting, but unconfirmed
There is one genuinely interesting possibility floating around third-party sources. Some outside sites describe RIDGID’s JobMax system as a modular tool with interchangeable heads that attach across pneumatic, corded, 12V lithium-ion, and 18V lithium-ion power bases. If that description is accurate, JobMax would be a real exception — a single ecosystem of attachments spanning several power sources. But here’s the catch: this review could not verify that description on an accessible official RIDGID page with a direct quote, and it’s unclear whether JobMax remains a current, actively-sold product line. So treat it as an unconfirmed third-party claim, not as a confirmed RIDGID fact.
What this means if you’re shopping
Neither of the two RIDGID accessories reviewed here is a cross-platform adapter. Both are battery-to-USB/AC power accessories scoped to RIDGID’s own 18V batteries. No official RIDGID adapter bridging 18V to any other manufacturer’s tools was found. If you were hoping for an official cross-brand or cross-platform RIDGID adapter, this review didn’t find one — RIDGID sits right alongside DeWalt, Milwaukee, and Craftsman in the “no confirmed bridge” group.
The one open question is JobMax. If that system genuinely spans multiple power bases as third-party sources describe, it would be a real exception. Before you assume it applies to your setup, verify current availability and specs directly with RIDGID or a retailer, because this guide could not confirm it from an official source.
How this was checked
Facts on this page are drawn from RIDGID’s own 18V USB Portable Power Source and 175-Watt Power Inverter (AC86097) product pages. RIDGID’s JobMax system is discussed based on third-party reporting only, since no accessible official RIDGID page could confirm its specifications directly.
Sources checked: 2026-08-11. A new review date will only be set after the linked pages are re-checked.