If you’ve been waiting for a chance to stock up on RIDGID batteries, now’s the time! The RIDGID 18V 4.0 Ah MAX Output Lithium-Ion Battery is $69 off today only (Jan 16, 2026) — dropping from $129 to just $60. This battery packs serious power and runtime while staying compact and lightweight, making it a must-have upgrade for your RIDGID tool lineup. This post contains affiliate links, which means I may earn a small commission if you buy through them—at no extra cost to you. It helps keep the tool deals coming, so thanks for your support! Prices valid at time of posting but are subject to change at anytime.

👉 Grab the RIDGID MAX Output Battery Deal at Home Depot Here

Final Price Breakdown:
Regular Price: $129
You Pay: $60
You Save: $69 (53% off)
Deal Ends: Tonight, Jan 16, 2026 ⏰

Why This Battery Belongs in Your Toolbox 🔋

The RIDGID MAX Output line is built for performance and endurance. This 4.0 Ah battery gives you up to 2X more power and 3X more runtime compared to RIDGID’s standard 1.5 Ah pack — perfect for powering demanding tools like saws, grinders, and impact drivers.

It’s engineered with advanced cooling technology to keep temperatures low under load, which means better performance and longer battery life. The compact design helps reduce fatigue while the onboard fuel gauge keeps you in control of your runtime on every job.

Pair it with any of your RIDGID 18V tools for reliable power and performance — and remember, RIDGID backs it with their Lifetime Service Agreement, which is one of the best warranties in the tool world.

Features ⚙️

• MAX Output Power: Up to 2X more power and 3X more runtime than standard RIDGID 1.5 Ah batteries.
• Advanced Electronics: Intelligent technology optimizes performance and extends battery life.
• Innovative Cooling System: Keeps the battery running cooler during heavy use for longer lifespan.
• Compact Design: Reduces tool weight and user fatigue for all-day comfort.
• Onboard Fuel Gauge: Clearly displays remaining power so you can plan your work.
• 100% Compatible: Works with all RIDGID 18V batteries, chargers, and tools.
• Lifetime Service Agreement: Register within 90 days for lifetime coverage — a huge value for pros and DIYers alike.
• Included: (1) R840040 18V 4.0 Ah MAX Output Lithium-Ion Battery and operator’s manual.

If you’re running RIDGID tools, this is one of those can’t-miss battery deals that rarely comes around. A high-capacity battery at this price adds serious value to your setup — more power, less downtime, and longer tool life.

👉 Check Out the RIDGID MAX Output Battery Deal Before It’s Gone

Would you grab this RIDGID MAX Output battery for your shop setup or as a backup for the jobsite? Let me know in the comments below!

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