Today Only: RIDGID 18V Battery Kit Deal $61.32, Save 38%
Spare batteries are the upgrade that keeps a cordless shop running, and today only Home Depot has the RIDGID 18V MAX Output 2 pack for $61.32, down from $99. That is 38% off a kit that gives you both a compact 2Ah pack and a long running 4Ah pack in one purchase. 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.
Final Price Breakdown
Regular price: $99.00
Sale price: $61.32
You save: $37.68
Discount: 38% off
What you get: (1) R840020 2.0 Ah MAX Output battery and (1) R840040 4.0 Ah MAX Output battery
Total capacity: 6.0 Ah across two packs
Average cost per battery: about $30.66
Deal expiration: today only, Aug 13, 2026
Prices valid at time of posting and subject to change
Why This Tool Is Worth It
Batteries decide how long your workday actually lasts. Tools sit idle when packs run flat, and most people buy a kit, run the one battery it came with, and never fix the bottleneck. Adding two packs at once means one is charging while the other is working, and that is the difference between finishing a project and stopping to wait.
The two sizes in this kit are the right pairing. The 2Ah pack is compact and light, which keeps a drill or driver balanced and easy to run overhead or in tight spots without wearing out your wrist. The 4Ah pack delivers up to 3X more runtime compared to the older 1.5 Ah battery, which is what you want on saws, grinders, and anything that pulls hard for extended stretches.
MAX Output is the performance side of the equation. These packs deliver up to 2X more power compared to the 1.5 Ah lithium ion battery, so tools run stronger under load instead of bogging down. Advanced intelligent electronics and cooling technology help protect the cells during heavy use, which is a big part of how long a battery lasts over the years.
Two practical details round it out. The onboard fuel gauge shows charge level at a glance so you are not guessing before starting a cut, and these are 100% compatible with all RIDGID 18V batteries, tools, and chargers. RIDGID also offers a Lifetime Service Agreement with registration within 90 days of purchase, which is a real differentiator on a wear item like a battery.
Features
MAX Output batteries provide up to 2X more power compared to the 1.5 Ah lithium ion battery (AC870015)
4Ah: up to 3X more runtime compared to the 1.5 Ah lithium ion battery (AC870015)
2Ah: compact and lightweight design minimizes fatigue while maximizing efficiency across a wide range of applications
Advanced Intelligent Electronics and innovative cooling technology for extended battery life
Fuel gauge displays power level on the job
100% Compatible: works with all RIDGID 18V batteries, tools, and chargers
Lifetime Service Agreement with registration within 90 days of purchase
Includes: (1) R840040 18V 4.0 Ah MAX Output Lithium Ion Battery and (1) R840020 18V 2.0 Ah MAX Output Lithium Ion Battery
Who This Is Best For
This kit is built for anyone already running RIDGID 18V tools. Woodworkers, remodelers, carpenters, plumbers, electricians, mechanics, and DIY builders all get immediate value since these packs drop straight into tools already on the bench.
It belongs in a home garage shop, a woodworking shop, a service van, a jobsite bag, or a truck box. If you are still running a single battery across a full day of work and pausing every time it dies, two packs at $61.32 solves that for good. 🔋
Get the RIDGID MAX Output Battery Kit Before Midnight
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