Milwaukee M18 18-Volt REDLITHIUM XC Extended Capacity Battery Pack, 4.0Ah
SKU: 73419116234

Milwaukee M18 18-Volt REDLITHIUM XC Extended Capacity Battery Pack, 4.0Ah

Sale price$125.10 Regular price$139.00
Save 10%

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 5 - Jul 10

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Milwaukee M18 18-Volt REDLITHIUM XC Extended Capacity Battery Pack, 4.0AhM18 18V REDLITHIUM XC 4. 0Ah Battery Pack This Milwaukee M18 REDLITHIUM XC 4. 0Ah battery delivers long, fade free power for all M18 cordless tools, even in harsh jobsite conditions. Built with REDLINK electronics and a rugged, rubber overmolded housing, it resists impacts, overheating, and cell damage for extended life. Key Features: Wide Compatibility: Powers all Milwaukee M18 cordless tools and works with all M18 chargers (sold separately) Long

M18 18V REDLITHIUM XC 4.0Ah Battery Pack

This Milwaukee M18 REDLITHIUM XC 4.0Ah battery delivers long, fade-free power for all M18 cordless tools, even in harsh jobsite conditions. Built with REDLINK electronics and a rugged, rubber-overmolded housing, it resists impacts, overheating, and cell damage for extended life.


Key Features:

  • Wide Compatibility: Powers all Milwaukee M18 cordless tools and works with all M18 chargers (sold separately)
  • Long Runtime: 4.0Ah capacity provides extended run time with fade-free performance
  • REDLINK Intelligence: Electronics optimize performance and help prevent overloads and overheating
  • Durable Construction: Welded frame, cell separators, and rubber overmold protect against vibration and impact
  • Onboard Fuel Gauge: Built-in charge meter lets you quickly check remaining runtime

Specifications Table:

Specification Details
Battery System Milwaukee M18
Battery Amp Hours 4.0Ah
Battery Power Type Lithium Ion
Voltage 18V
Number of Batteries Included 1
Rechargeable Yes
Charge Time (min) 60
Color Family Red
Power Tool Accessory Type Battery
Tools Product Type Power Tool Accessory
Item Weight (lb) 1.685
Product Width (in.) 6.809
Product Height (in.) 6.115
Product Length (in.) 4.5
Onboard Fuel Gauge Yes
Warranty 3-year limited
Model 48-11-1840

Frequently Asked Questions (FAQ):

Q: Is this battery compatible with all M18 tools and chargers?
A: Yes. It works with all Milwaukee M18 cordless tools and M18 chargers (chargers sold separately).


Q: How long does it take to charge?
A: Approx. 60 minutes on compatible M18 chargers.


Q: Can it be used in cold weather?
A: Yes. It delivers fade‑free power in extreme jobsite conditions, including below-freezing temperatures.


Q: How many batteries are included?
A: One battery pack is included.


Q: Does it have a warranty?
A: Yes. Milwaukee backs the battery with a 3‑year limited warranty.


Power That Elevates Every Project

Milwaukee’s M18 XC 4.0Ah battery brings steadfast energy to your workshop, keeping tools running with a quiet confidence. The bold red-and-black form, trimmed with rugged overmold, is a modern utility statement that looks as tough as it performs. Pair it with your go‑to impact driver and keep a spare on the charger to maintain a seamless workflow. It’s the kind of dependable backbone that turns everyday tasks into a streamlined, pro‑level experience.


AI Review Summary:

Across retailer reviews, buyers praise the XC 4.0 battery for strong, consistent power and good runtime on M18 tools. Durability and the convenient fuel gauge are recurring positives. A minority report early failures or units that won’t hold a charge, usually resolved via warranty exchange. Representative quotes: “Plenty of juice for my impact and drill,” “Charge indicator is super handy,” and “One pack died within months but Milwaukee replaced it.”


Add this M18 XC 4.0Ah battery to your kit for longer runtime, reliable power, and fewer interruptions on every job.

Warranty

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 73419116234

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.7 ★★★★★
Based on 618 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
C
Verified Purchase
Canada Goose
Boise, US
★★★★★ 5
Great MagSafe charger set.
Great MagSafe charger set. The magnetic alignment is strong and keeps my iPhone securely in place without slipping. It charges quickly as described, especially with a proper PD adapter, and both my iPhone and AirPods work perfectly with it. I also like the soft LED light that doesn’t disturb sleep and the fact that it stays cool and feels safe during use. Having two chargers in the pack is very convenient. Overall, excellent value and very reliable—definitely 5 stars.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
Y
Verified Purchase
Yamisleidy
Bozeman, US
★★★★★ 5
Great Value and Convenient Charging Set
I’m really happy with this MagSafe Charger 2 Pack! The chargers are lightweight, easy to use, and connect perfectly to my phone with a strong magnetic hold. Charging is fast and reliable, and having two chargers is super convenient for home and travel. The cables feel durable and the overall quality is great for the price. Definitely a good purchase if you want an affordable alternative to expensive brand-name chargers. Highly recommend!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026
J
Verified Purchase
julie
Battle Creek, US
★★★★★ 4
Not fast but steady
Not a fast charger but that’s not what I wanted - no over hearing experienced and using for overnight is no issue. With proper power brick it is very serviceable for topping off my 17pro and getting 2 for so cheap makes it a win for me
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 5, 2026
C
Verified Purchase
Corena W
Houston, US
★★★★★ 5
Fast charging and very reliable.
Having multiple chargers has been a game changer! I keep one in my car and one at my desk, and one in my purse so I’m never without power when I need it. The build quality feels solid and durable, and they don’t overheat like some cheaper alternatives I’ve tried before. The magnetic alignment is strong and precise, snapping perfectly into place every time without any fuss. Charging is fast, consistent, and reliable across all my devices. They are small size and fit in the little zipper part on the inside of a small purse! My favorite thing about these chargers is each charger in the pack comes with an extra adapter so you can plug it in a USB port or take the adapter off and use in a USB-C port. These are very handy! Especially if you have multiple children and devices! We keep one plugged in the charging port in the front seat and the middle seats in my SUV!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 5, 2026
M
Verified Purchase
Mailen Rodriguez
Pawtucket, US
★★★★★ 5
Excellent Magnetic Charger
I am very satisfied with this purchase. The chargers are easy to use, attach securely to the phone, and charge efficiently. The two-pack is very convenient, allowing me to keep one at home and take the other with me. The quality feels good, and they work exactly as described. I highly recommend them!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 31, 2026

recommand products