Milwaukee 18V Battery Adapter Converter for RIDGID & AEG Tools
Milwaukee 18V Battery Adapter Converter for RIDGID & AEG Power Tools
Stop buying duplicate battery packs! This compact battery adapter converter lets you use your Milwaukee 18V lithium-ion batteries directly in compatible RIDGID and AEG 18V power tools — saving you money and keeping your toolbox streamlined. A built-in PCB ensures a stable, secure electrical connection every time.
Made in Mainland China.
How It Works
- Bottom of Adapter: Accepts Milwaukee 18V lithium-ion battery packs (see compatible models below).
- Top of Adapter: Plugs directly into RIDGID or AEG 18V power tool battery slots.
Compatible Milwaukee 18V Battery Models (Input)
48-11-1828, 48-11-1815, 48-11-1840, 48-11-1850, 48-11-1860, 48-11-1890, and other Milwaukee 18V lithium-ion batteries.
Compatible RIDGID Tool Battery Slots (Output)
R840084, R840087, R87002, AC840086, AC840088, AC840087, AC840089, AC8400806, AC8400809, AC840084, AC840083, 130383025, 130383001, R840083, R840085, R840086, AC840085 — 18V Lithium-Ion.
Compatible AEG Tool Battery Slots (Output)
L1890R-X5, L1890RHD, L1860R-X5, L1860RHD, L18502RC, L1850R, L1840RBL-C, L1840R, L1830R, L1830RHD, L1825R-X4, L1820R, L1820S — 18V Lithium-Ion.
Key Features
- ✅ Share one Milwaukee 18V battery across RIDGID and AEG 18V tool platforms
- ✅ Built-in PCB for a reliable, stable connection
- ✅ Low-voltage safe design (below 75V DC / below 50V AC)
- ✅ No electronics or battery included — adapter only
- ✅ Straightforward plug-and-use design — no tools required for installation
Important Usage Notes
- Ensure the battery is fully seated before operating the tool.
- Do not force the battery into the adapter — if it does not fit smoothly, check your orientation and alignment.
- This adapter is compatible with power tools only — it is NOT compatible with chargers. Do not attempt to charge batteries through this adapter.
- Always remove the adapter before charging your Milwaukee 18V battery in its original charger.
Package Contents
- 1× Battery Adapter Converter (Adapter Only — Battery & Charger NOT Included)
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Frequently Asked Questions
Q: Will this Milwaukee to RIDGID/AEG battery adapter work with a charger?
A: No — this battery adapter converter is designed for use with power tools only. It is not compatible with any charger. Always remove the adapter and charge your Milwaukee 18V battery using its original Milwaukee charger.
Q: Does this adapter come with a battery or charger included?
A: No. The package includes only the adapter converter (1×). No battery or charger is included. You will need your own Milwaukee 18V lithium-ion battery to use with this adapter.
Q: Which Milwaukee 18V batteries are compatible with this adapter?
A: This adapter is compatible with Milwaukee 18V lithium-ion battery models including: 48-11-1828, 48-11-1815, 48-11-1840, 48-11-1850, 48-11-1860, 48-11-1890, and other standard Milwaukee 18V Li-ion packs that fit the standard Milwaukee slide-type interface.
Q: Can I use this adapter with all RIDGID and AEG power tools?
A: This adapter is compatible with the specific RIDGID and AEG 18V lithium-ion battery model numbers listed above. We recommend checking your tool's battery model number against the compatibility list before purchasing to ensure a proper fit.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.