Milwaukee's High-Output M18 Battery Is 55% Off Right Now on Amazon
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Why We Love This Deal
As Amazon's annual spring sale nears its end, we’re looking at the best last-minute Big Spring Sale tool deals, including those from big brands like Milwaukee. If there's one to take advantage of before the sale is over, it's this M18 battery that's listed at over 50% off the normal price.
The Milwaukee M18 Redlithium High Output XC 6.0 Ah Battery is currently available for $90. It’s not explicitly labelled as a “Big Spring Sale” deal on Amazon, so we aren’t entirely sure what will happen to this deal when the official sale ends after March 31. What we do know is that over 1,000 Milwaukee users have purchased one of these batteries in the last 30 days, and when we usually see that happen, it sometimes leads to sellouts. With both sale pricing and availability on the line, it'd be wise to plan your purchases accordingly.
Milwaukee M18 Redlithium High Output XC 6.0 Ah Battery, $90 (was $199) on Amazon
What Shoppers Should Know
- Capacity: 6.0 Ah
- Weight: 2.3 pounds
- Compatible With: More than 150 tools in the Milwaukee M18 line
- Best Use Case: Extended work sessions with Milwaukee M18 tools
Milwaukee’s M18 Redlithium High Output XC 6.0 Ah battery is an extended-life battery, capable of working with any tool in the M18 line. It’s one of the highest work-per-charge batteries in Milwaukee’s inventory, despite only weighing a couple of pounds itself. This is the go-to battery if you want to have distraction-free deep work time with your tools.
It’s worth noting that this deal is not without competition. Walmart, for example, is selling a 2-pack of Milwaukee’s M18 Redlithium 5.0 Ah batteries for under $110 right now. While this battery will literally run cooler under pressure, making it better for sustained time with higher-powered tools, the raw output of those batteries makes a compelling case as well. In other words, you’ve got multiple good options at this time.
Related: Milwaukee's M18 Fuel Sawzall Is Now Over $100 Off on Amazon
What Shoppers Are Saying
One power user noted that “this battery provides 2-3 hours of solid work for both my small and impact drill” and said that “you definitely feel more power with this battery” as opposed to smaller options.
Another user confirmed that it works with a wide range of tools. “I’ve used this on all three of my Milwaukee tools, my drill, my impact driver, and impact wrench, and it works amazing.”
The Milwaukee M18 Redlithium High Output XC 6.0 Ah Battery is $90 while this deal lasts.

