Compatible 12V replacement battery pack for M12 tools

This third-party lithium-ion battery pack is listed as compatible with select Milwaukee M12 cordless tools and heated jackets. Each battery is rated at 12V, 3.0Ah, and 36Wh. Choose a 2-, 4-, or 8-pack to suit your tool fleet or backup-power needs.

Key details

Compatible replacement battery, not a Milwaukee-branded product
12V lithium-ion battery pack
Capacity: 3.0Ah
Energy: 36Wh
Available pack sizes: 2, 4, or 8 batteries
Supplier lists compatibility with M12 tools, heated jackets, and battery part numbers 48-11-2420, 48-11-2440, 48-11-2402, and 48-11-2411

Compatibility check

Before ordering, compare your original battery’s voltage, connector shape, model family, and part number with this listing. Compatibility is based on the supplier’s information and is not an endorsement by Milwaukee. Chargers, tools, and heated apparel are not specified as included.

Battery safety

Use only with compatible 12V equipment and chargers. Do not crush, puncture, disassemble, short-circuit, expose to high heat, or use a damaged battery. Stop use if the pack becomes unusually hot, swollen, leaking, or damaged. Store in a cool, dry place away from metal objects and follow local battery recycling rules.

FAQ

Is this an original Milwaukee battery?
No. This is a third-party compatible replacement battery.

How many batteries are included?
Select a 2-, 4-, or 8-pack option before checkout.

What is the battery rating?
Each battery is listed as 12V, 3.0Ah, and 36Wh.

Will it work with every M12 tool?
Check your tool and original battery model carefully. The supplier lists compatibility with select M12 products and part numbers shown above.

Can I use any charger?
Use only a compatible charger intended for this battery format and voltage.

Most orders ship within 1–3 business days. Estimated delivery: Standard: 5–10 business days. Some items ship directly from our curated suppliers and may arrive separately. Questions? Email support@thegiftsignal.com

We will work quickly to ship your order as soon as possible. Once your order has shipped, you will receive an email with further information. Delivery times vary depending on your location.

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We accept returns within 30 days of delivery on unused items in original packaging. Email support@thegiftsignal.com to start a return. Return shipping is the customer's responsibility unless the item arrived damaged or incorrect.