Search  for anything...
Milwaukee

Milwaukee 48-11-1850R M18 18V 5Ah XC Extended Capacity Resistant Battery 2 Pack, (48-11-1850Rx2)

  • Based on 1,234 reviews
Condition: New
Checking for the best price...
$135.99 Why this price?
Save $177.26 was $313.25

Buy Now, Pay Later

As low as $22.67 / mo
  • – 6-month term
  • – No impact on credit to apply
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout.

Payment plans are offered through our trusted finance partners Klarna, Affirm, Afterpay, Zip, Apple Pay, and Google Pay. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Free shipping on this product

30-day refund/replacement

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

Availability: In Stock.
Fulfilled by Amazon
Arrives Saturday, Aug 1
Order within 11 hours and 29 minutes
Available payment plans shown during checkout
Protection Plan Protect Your Purchase
Checking for protection plans...

Recently Viewed

Features

  • Best-in-class construction: Resistant housing designed to provide increased protection against exposure to common oils, greases, and solvents
  • All-weather performance: delivers fade free power in extreme jobsite conditions
  • Fuel gauge onboard: Displays remaining runtime
  • REDLINK Intelligence: Our battery circuitry provides optimized performance and overload protection using total system communication between tool, battery, and charger
  • Versatility: Powers more than 200+ Milwaukee M18 cordless power tools

Description

Milwaukee 48-11-1850R M18 18V 5.0 Ah Lithium-Ion XC Extended Capacity Resistant Battery 2 Pack The Milwaukee M18 XC5.0 Resistant Battery is built with a resistant housing, providing increased protection against exposure to common oils, greases, and solvents found in automotive and manufacturing environments. Each battery pack is durably built for heavy-duty use, runs cooler, and performs in cold weather climates. Features: Best-in-class construction: Resistant housing designed to provide increased protection against exposure to common oils, greases, and solvents All-weather performance: delivers fade power in extreme jobsite conditions Fuel gauge onboard: Displays remaining runtime REDLINK™ Intelligence: Our battery circuitry provides optimized performance and overload protection using total system communication between tool, battery, and charger Versatility: Powers more than 200+ Milwaukee® M18™ cordless power tools Pack Includes: (2) Milwaukee 48-11-1850R M18 18V 5.0 Ah Lithium-Ion XC Extended Capacity Resistant Battery Pack

Number of Batteries: 2 Lithium Ion batteries required.


Brand: Milwaukee


Battery Cell Composition: Lithium Ion


Battery Capacity: 5 amp_hours


Recommended Uses For Product: Power Tool


Number of Batteries: 2 Lithium Ion batteries required.


Brand: Milwaukee


Model Number: 48-11-1850Rx2


Model Name: 48-11-1850Rx2


Manufacturer: Milwaukee


Antenna Location: Power Tool


Battery Capacity: 5 amp_hours


Voltage: 18 volts


Reusability: Rechargeable


Amperage: 5 A


Compatible Phone Models: 2767-20 2863-20 2864-20


Unit Count: 2 Count


Battery Weight: 816 g


Item Dimensions: 7 x 7 x 6 inches


Item Weight: 3.2 pounds


Battery Cell Type: Lithium Ion


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Saturday, Aug 1

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • Zip Pay in 4
  • Financing through Apple Pay
  • Financing through Google Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Similar Products

Top Amazon Reviews

    • Genuine Milwaukee for an affordable price.
Genuine Milwaukee batteries, great price!!! Have used both for a short time now, no issues at all.
Reviewed in the United States on July 8, 2026 by JGM
    • genuine milwaukee batteries
can't beat the price. not a knock off generac battery. typical charging speed, battery life and appearance
Reviewed in the United States on July 12, 2026 by Eugene P.
    • Milwaukee is king 👑
Powerful and strong, Battery lasts, and charges quickly, It is quite heavy, but its worth for the power it gives you! Even it falls down 10 ft. It will usually still preform well as my experience, It functions like a beast 💪 Other companies are getting low much quicker in cold temperatures if you work in construction or using it outdoors in winter ... show more
Reviewed in the United States on January 25, 2026 by I. K.
    • Good price
Perfect
Reviewed in the United States on July 15, 2026 by Matthew Jones
    • These are REAL Milwaukee batteries. Read to find out if you have a fake battery.
Review Image by Amazonian
Review Image by Amazonian
Review Image by Amazonian
Review Image by Amazonian
Review Image by Amazonian
Review Image by Amazonian
Review Image by Amazonian
▀▄▀▄█▓▒░ As Described - Authentic Milwaukee Batteries. All Milwaukee M18 Batteries up to 6Ah are in this type of plastic package, with the tiny plastic rivet type markings, from the way they seal the packaging. Also the lightening bolt on the top of the batteries are not colored. There is a dimple on the top of the battery that can be in different places, depending on which country it was made in, before being imported back into the USA. I thought this was a sign of being fake until I bought a set of real batteries that had it in a different place. The bottom the real batteries is a rubber that is formed onto the plastic housing when made, not all one piece of hard plastic, like the fake Chinese batteries. Real batteries has a rectangle shaped air hole on the bottom of the battery, the fake ones have a square air hole. The battery cells can be seen through this hole and it GRAY in a real battery, PURPLE in a fake battery. The fonts used on real batteries is thin, with normal gaps between words, fake have thick font letters, which does not give the text room for proper spacing. I attached photos to this review to show how to know if you are getting a fake battery, even before you get it. Like I stated, the Chinese fakes that do not even last more than 1/10th of the time these real batteries do, with top quality refined lithium in the batteries and well as PCB materials that are far more superior, and do not cause the burning plastic smell, when charge as soon as the battery dies. ░▒▓█▀▄▀▄▀ ... show more
Reviewed in the United States on May 28, 2026 by Amazonian
    • Authentic Milwaukee Batteries That Work Great
These batteries appear to be authentic Milwaukee batteries and have worked great so far. They charge properly, fit my tools perfectly, and hold a charge well. I have had no issues with performance or compatibility. It is nice to get genuine batteries that perform the way they should.
Reviewed in the United States on April 6, 2026 by Sarah
    • High Output Batteries
I would have given this product review a 4.5. When I received these lithium batteries the packaging was damaged. I normally don't except items I like this. The batteries didn't show any physical damage, and they did hold a charge when I charged them. They are great batteries with a high output and extended capacity. ... show more
Reviewed in the United States on June 1, 2026 by Anthony Armstrong
    • Recommend
Worked awesome
Reviewed in the United States on June 23, 2026 by DOTTIE

Can't find a product?

Find it on Amazon first, then paste the link below.
Checking for best price...