The RIDGID 18V 4.0 Ah MAX Output EXP Battery is the most advanced power solution RIDGID has ever engineered. Utilizing cutting edge tabless cell technology, this battery delivers significantly more power and longer runtimes than standard lithium ion packs. It is built to handle the most demanding brushless tools in your arsenal, ensuring you can complete heavy duty applications without overheating or losing performance. 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.

Get the RIDGID 18V MAX Output Battery Deal at Home Depot

Final Price: $53.64
Total Savings: $55.36
Discount: 51% off
Expiration Date: Today Only, March 17, 2026

Professional Power for Demanding Jobsites

Adding this MAX Output EXP battery to your shop is a smart move for anyone looking to maximize the potential of their 18V brushless tools. The advanced intelligent electronics allow the battery to communicate directly with your tools, optimizing performance for high demand tasks like heavy drilling or sawing. Because it features ThermaGuard technology and laser welded straps, it runs cooler and lasts longer than entry level batteries. ⚡

This deal is ideal for professional contractors and dedicated DIYers who already use the RIDGID 18V platform. The compact size makes it perfect for maintaining tool balance while still providing 3X more power. Plus, with RIDGID’s industry leading Lifetime Service Agreement upon registration, this is a long term investment in your productivity. 🛠️

Features

MAX Output EXP is the most powerful battery RIDGID has ever built
Industry leading 21700 tabless lithium-ion cells deliver 3X more power and maximum runtime all in a compact size
Charge to 80% in 15 mins with the 18V Turbo Charger (AC86099)
Work all day with RIDGID's most dependable, best performing battery. Laser welded cell straps and upgraded heat sinks allow this battery to run cooler and live longer through the most demanding applications.
Advanced Intelligent Electronics communicate directly with the tool to provide optimum performance in high demand applications when paired with brushless tools
ThermaGuard Technology keeps the battery pack running cooler by utilizing advanced intelligent electronics and oversized heat sinks to remove built up heat
Reinforced housing with added overmold construction shields the battery against tough jobsite conditions
Integrated LED Fuel gauge monitors runtime
100% Compatible: Works with all RIDGID 18V Batteries, Tools, and Chargers
Lifetime Service Agreement with registration in 90 days
Includes: AC840041 4.0Ah MAX Output EXP Lithium-Ion Battery and Operator’s Manual

Don't miss this one day online exclusive to grab RIDGID's most powerful battery at over half off the original price. Upgrading your power supply is the easiest way to make your existing tools feel brand new. 🔋

Click here to buy the RIDGID 4.0 Ah Battery for $53.64

Which RIDGID brushless tool would you pair with this MAX Output EXP battery first?

🛒 My Top Tool Picks at Home Depot
Shop the tools I recommend for homeowners, DIYers, and woodworkers.
👉 Shop My Home Depot Storefront

🛒 Beginner Woodworking Tool Picks at Lowe’s
Beginner Woodworking Tool Suggestions

🛒 My Top Woodworking Tool Picks on Amazon
Discover my hand picked selection of tools and supplies I actually recommend.
👉 Shop My Top Amazon Woodworking Tools

📩 Don’t Miss Future Deals!
Get the best tool deals sent straight to your inbox every day.
👉 Sign Up for Daily Deal Emails

🎓 Want to Start or Grow Your Woodworking Business?
Check out Sawdust Startups, my coaching community with courses, live calls, and support to help you succeed.
👉 Join Sawdust Startups free for 7 days

👇 More Tool Deals You Don’t Want To Miss!