Product overview
Our M12™ XC 4.0 Ah Battery 2-Pack delivers up to 2X more runtime, 20% more power, and 2X more recharges than standard lithium-ion batteries. The M12™ REDLITHIUM™ XC4.0 Extended Capacity Battery Pack features superior pack construction, electronics, and performance to deliver more work per charge and more work over the life of the pack. Each battery provides 4.0 Ah of runtime and is built with Milwaukee durability to run cooler and perform in temperatures below 0°F/-18°C. Managed by Milwaukee's exclusive REDLINK™ Intelligence, the battery features overload protection to help prevent damage to cordless power tools in heavy-duty applications, while discharge protection helps prevent cell damage. The temperature management system and individual cell monitoring help maximize battery life. Upgrade the runtime and durability of your Milwaukee M12™ cordless tools with the REDLITHIUM™ XC4.0 Extended Capacity Battery Pack.
Features
- Up to 2X more runtime, 20% more power, and 2X more recharges than standard lithium-ion batteries
- All-weather performance delivers fade-free power in extreme jobsite conditions
- Best-in-class construction offers long-lasting performance and durability
- REDLINK™ Intelligence provides optimized performance and overload protection through total system communication between the tool, battery, and charger
- Temperature management system and individual cell monitoring help maximize battery life
- Versatility: Powers most Milwaukee M12™ cordless power tools
- Recharges in 60-77 minutes
What's in the Box
- (2) M12™ REDLITHIUM™ XC4.0 Extended Capacity Battery Packs (48-11-2440)
Warranty
- 3 Year Limited Warranty
Specifications
| Model Number | 48-11-2442 |
| Battery System | M12™ |
| Battery Type | REDLITHIUM™ XC |
| Battery Capacity | 4.0 Ah |
| Battery Quantity | 2 |
| Recharge Time | 60-77 Minutes |
| Operating Temperature | Below 0°F/-18°C |
| Warranty | 3 Year Limited Warranty |
Shipping, warranty & order information
Free shipping on every order. Ships within 48 hours. Tracking updates are sent by email when available.
Free returns with our returns policy. 5-year warranty included with this product.
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CUSTOMER EXPERIENCES
Real projects. Real opinions.
Selected customer reviews about FactoryPure, from Trustpilot.
Best price and Quality Product
“I purchased a Quality product from Factory Pure, The ICM 870 16A Soft Start, Now I can run my A/C during power outages! Factory Pure had the best price and great customer service! I saved this seller!”
Great product and communication
“Great product and communication, will be ordering from them again”
Ordering was easy and delivery was fast…
“Ordering was easy and delivery was fast and very professional. Very much appreciated 😊”
Great company to deal with
“Great company to deal with! Competitive prices and awesome people working there! I would definitely recommend Factory Pure to all my friends and family!”
Selected reviews checked October 23, 2026.
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