Milwaukee |SKU: 48-11-1850
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Milwaukee M18 Redlithium XC5.0 Extended Capacity Battery Pack

Regular price $81.95
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Product highlights


  • Compatible with More Than 60 M18 Cordless Power Tools

  • 18V 5.0Ah Capacity

  • 2.5X More Runtime and 20% More Power than Standard Lithium-Ion Battery Packs

  • Redlink Technology

  • LED Charge Meter

  • Overload and Discharge Protection

In the box


  • Milwaukee M18 Compact Redlithium Battery

Free standard shipping

*Orders placed before 3 PM EST Mon - Friday will ship the same day. Orders placed beyond these hours will be shipped the next business day. Exclusions apply. See shipping policy

Free Local Pickup

Please call for store stock availability. Requests made before 2:30 PM EST can be available for next-day pickup. Learn more

Questions? We’re Here to Help

Call or email one of our experts.

The high-density batteries that drive Milwaukee’s M18 line of power tools are designed to provide up to 2 ½ times more run-time and 20% more power than regular lithium-ion batteries. But, even with this increased power capacity, there are times when you’re going to run out of battery power. In these situations it’s vital to have spare batteries on hand to prevent a halt in productivity. This 18 volt Redlithium XC5.0 Extended Capacity Battery Pack is compatible with any of Milwaukee’s M18 tools as a backup for dead batteries. The XC5.0 not only supplies long-lasting power, but it’s designed to stand up to the rigors of the job site. It’s design routes water away from the internal electronics and protects the pack from vibrations and drop impacts. It also utilizes Milwaukee’s Redlink technology to protect against overloads that can damage your tools and discharge protection to prevent battery cell damage. This battery is a great upgrade from the standard battery that comes with your M18 device.

Redlink Intelligence

Managed by Milwaukee’s exclusive Redlink Intelligence, the M18 Compact Redlithium Battery is equipped with overload protection to prevent you from damaging your cordless power tools. This is especially useful in heavy-duty situations where the power tool's motor is working extra hard. 

Onboard Fuel Gauge

There's nothing worse than when your power tool runs out of juice when you're in the middle of a job. Thanks to an onboard fuel gauge, a simple glance will let you know exactly how much power you have left so you'll know when it's time to charge. This convenient display of remaining runtime means less downtime on the job so you can complete your power tool tasks more efficiently. 

All-Weather Performance

No matter what climate you face when you're on the jobsite, the Milwaukee M18 Compact Redlithium Battery won't let you down. Its all weather performance offers reliable power even in extreme temperatures as low as zero degrees Fahrenheit.

Shipping & Returns

  • Same Day Shipping


    All orders placed by 1PM( EST), Monday through Thursday, and by 11AM (EST) on Friday, are shipped same day. Orders placed outside these times will ship the next business day. We do not ship internationally or to Puerto Rico, Guam and other US territories at this time. For more details click here.

  • Free Standard Shipping


    We offer free standard shipping on thousands of items within the continental USA (this does not include Alaska and Hawaii).



  • Easy returns


    If you're not happy with your purchase for any reason, our flexible 30-day free return policy makes it easy to get a full refund. Click here to view our return policy.


Frequently Asked Questions

How do I return an item?

Returns are incredibly simple. Please log into your account, find your item you wish to return and follow the prompts to make a return. If you do not have an account, click here to find your order and make a return.

Will I receive a full refund when I return an item?

You will receive a full refund when you return an item in its original manufacturer’s packaging, undamaged and unmarked. If the item you are returning is priced at less than $35, you will be charged a 15% restocking fee. Please note you will not be refunded any shipping charges.

How many days do I have to make a return?

You have 30 days to make a return. During the holiday season, from November 1 to December 31, we extend the return window to 60 days. 

My item was damaged in transit. How do I place a return?

If your order has been noticeably damaged in transit, we strongly recommend that you refuse delivery and notify us immediately. Claims for missing items or items damaged in transit must be made within 48 hours of delivery. If there is carrier damage, please contact support@focuscamera.com with your order number and a description of the damage. 

There’s an issue with my order, what should I do?

Oh no! Please contact our customer service team so we can resolve the issue immediately. You can call us on 1.800.221.0828, email us at support@focuscamera.com, or send us a message here.

Can I exchange an item?

We do not currently offer exchanges. Please return the item you purchased within 30 days and order what you’d like instead.

If I ordered a kit, do I have to return all the items?

If you ordered a kit, you must return all components and accessories to receive a full refund.

I ordered a product that included a free item. I’d like to return it, do I need to return the free item as well?

If you ordered a product that included a free item, you must include the free item with your return. If not, your return will not be accepted and you will not receive a full refund.

Do you offer repairs?

We currently only offer camera repairs at our Brooklyn store. The item must be dropped off and collected in person as we do not accept shipped items for repair. For more information, please call our Brooklyn store on 1.718.431.7900.

What is your return policy?

Most items can be returned within 30 days for a full refund. Click here to read our full return policy.