UADCA 2-Pack 4.0Ah Replacement Battery for Milwaukee 12V | 4000mAh Li-Ion (Non-OEM)

Powerful Milwaukee 12V Replacement Batteries

Meet the UADCA 2-pack of 4.0Ah replacement batteries designed to fit Milwaukee 12V tools. Each cell uses high-grade lithium-ion chemistry to deliver a steady, reliable energy flow. This is a replacement option, not an original Milwaukee battery.

Designed for everyday impact, the 4000mAh capacity provides a longer window between charges, helping you complete tasks from drilling to fastening with fewer interruptions. The lightweight packs slide into place with a crisp latch and a secure connection, so you can stay focused on the job at hand.

Key benefits at a glance

• High-capacity energy: 4000mAh to help extend run time on busy projects
• Fast-charging capable: supports quicker returns to work when paired with a compatible charger
• Smart safety: A-grade cells with built-in protection against over-discharge, overload, and short circuit
• Durable build: factory-inspected to ensure consistent performance and a long service life

Compatibility and use

These batteries are fully compatible with Milwaukee 12V tools and chargers that use the 48-11-24xx family model numbers (for example 48-11-2440, 48-11-2402, 48-11-2411, 48-11-2412). Note that this is a replacement battery, not manufactured by Milwaukee.

Performance for real-world work

In practice, you may notice less downtime between tasks and a steadier tool performance during heavy-duty days. While results vary by usage, many users find the extended run time helpful for projects spanning multiple steps or longer sessions.

Care and warranty

To maximize lifespan, avoid deep discharges and store in a cool, dry place. Use only compatible Milwaukee 12V chargers. Every order includes 12 months of product service and a straightforward support path if you encounter any issues.