Today Only: 74% Off RIDGID 18V 4.0Ah Battery Kit, Now $79

Today only, the RIDGID 18V MAX Output Starter Kit with two 4.0Ah batteries and a charger is down to just $79. That's $229 off the regular $308 price and one of the best ways to power up your RIDGID tools for less. 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 18V MAX Output Starter Kit for $79 Today Only

Final Price Breakdown

• Regular price: $308

• Sale price: $79

• You save: $229 (about 74% off)

• Price per battery: About $39.50 (with the charger included)

• Includes: (2) 4.0Ah MAX Output batteries and charger

• Deal ends: Today only, Sep 24, 2026

Why This Kit Is Worth It

Batteries are often the most expensive part of building out a cordless tool lineup. Getting two 4.0Ah batteries and a charger for $79 is a huge win.

These RIDGID MAX Output batteries deliver up to 2X more power and up to 3X more runtime compared to the 1.5Ah battery. That means more work done between charges and fewer trips back to the charger.

The fuel gauge shows your power level on the job, and advanced electronics with innovative cooling technology help extend battery life. The charger is compact, wall mount capable, energy saving, and includes maintenance charging to keep your batteries in top shape.

Best of all, this kit works with all RIDGID 18V batteries, tools, and chargers, and it's backed by the Lifetime Service Agreement when you register within 90 days of purchase. 🔋

Features

• MAX Output batteries provide up to 2X more power compared to the 1.5Ah lithium ion battery (AC870015)

• Up to 3X more runtime compared to the 1.5Ah lithium ion battery (AC870015)

• Advanced electronics and innovative cooling technology for extended battery life

• Compact battery size reduces user fatigue

• Fuel gauge displays power level on the job

• Smart Charging Indicator evaluates the battery's charge and condition with easy to read icons

• Compact and lightweight charger design for easy storage and transportation

• Wall mount capable charger for a more organized storage option

• Energy Saving Charger helps decrease energy consumption

• Maintenance Charging keeps the battery charged and maintains overall life

• 100% compatible with all RIDGID 18V batteries, tools, and chargers

• Lifetime Service Agreement with registration within 90 days of purchase

• Includes: (2) AC840040 4.0Ah MAX Output batteries and AC86093 charger

Who This Is Best For

The RIDGID 18V MAX Output Starter Kit is a great fit for woodworkers, DIYers, contractors, and homeowners who already own RIDGID 18V tools or are ready to start building a RIDGID lineup. It belongs in any woodworking shop, garage shop, or job site setup.

It's also a smart pickup if you've been buying bare tools and need extra batteries to keep everything running.

Don't Miss This Today Only Price

At $79 for two 4.0Ah batteries and a charger, this deal ends when today ends on Sep 24, 2026. Deals like this don't last, so grab it while you can.

👉 Save $229 on the RIDGID 18V Battery Starter Kit Before Midnight

Know someone running RIDGID tools who could use more batteries? Share this deal with them before it ends!

Looking for more savings at Home Depot? Check out our permanent hub for deals at The Home Depot Deals Page for daily updates on Milwaukee, DeWALT, and more. We also track the best tool sales at Lowe's, Amazon, and Rockler.