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- Package Included: 2 x 12v 6000mAh Li-Ion Replacement Batteries
About Volt 1799:
- Volt 1799 batteries are made with the highest quality materials, CE certified, tested by manufacturer to match or exceed specifications of OEM products.
- We dedicated ourself to providing high quality power tool battery products and excellent customer services. Achieving your thumbs up is our ultimate goal.
Note :
- Li-ion battery will self-discharge during storage,remember to recharge the batteries before.
- Keep the battery healthy by cleaning dirty with a cotton swab and alcohol.
- Do not charge immediately after the battery out and let the battery cool.
Mictom
Reviewed in the United States on June 7, 2025
After a week of steady use on various Milwaukee 12V tools, these 6.0Ah replacement batteries have proven to be a workhorse. The extended capacity delivers noticeably longer runtime compared to the standard 2.0Ah or 3.0Ah packs—especially helpful when using more power-hungry tools like impact drivers or rotary tools. They also lock in securely, charge without issue, and hold power well during storage, which is critical for anyone relying on cordless performance throughout the day.The only drawback is the slightly bulkier size and added weight, which might be noticeable for compact tools where balance is key. Still, the trade-off is well worth it for the extra power. For those looking to extend tool runtime without shelling out for name-brand pricing, this 2-pack is a dependable and cost-effective upgrade.
Nathaniel Horn
Reviewed in the United States on June 7, 2025
These are well made battery replacements. They fit my Milwaukee tools perfectly. They charge up quickly and hold the charge perfectly. I would definitely recommend this.
Noah T
Reviewed in the United States on June 5, 2025
The fact that you can get two of these for $39.99 when Milwaukee wont even sell you their smallest battery for that price is absurd. Good deal. Even if these are crap (which they arent), you just can't say no to this price.These seem to have at least as much discharge current as my CP 2.5 HO battery, though I unfortunately do not have anything higher output to test against. They behave just like any other Milwaukee battery -- they charge normally too. If you're concerned with getting the absolute max discharge current, maybe look for first-party batteries. But if you just want battery capacity with reasonable current, these are truly great for the price.I popped one open and could not spot a brand name on the battery cells. But the spot welds look decent.
Joel from CA
Reviewed in the United States on June 4, 2025
These M12 batteries from Volt1799 charged on an M12 Milwaukee charger and powered an M18 planer. It is form fit and function the same as a Milwaukee battery including the rubber bottom. The capacity is etched at the bottom of the battery: "12V 6.0 Ah 72Wh". The bottom of a Milwaukee XC4.0 battery shows "12V 48Wh, 4.0 AH. Based on this, the Volt1799 has 50% more capacity.
Zio
Reviewed in the United States on June 12, 2025
This 2-Pack 6.0Ah 12V M-12 Battery Replacement for my Milwaukee cordless tools is excellent, and I’m thoroughly impressed. These batteries are a fantastic alternative to the OEM versions — they’re fully compatible with all my M12 tools, including my drill, impact driver, and multi-tool.Battery life is excellent — the 6.0Ah capacity gives me noticeably longer run time compared to the standard 2.0Ah or 3.0Ah batteries. I can work through multiple projects without having to stop and recharge. They've also held a charge well when left unused for a few days, which is a huge plus.Fit and finish are solid. The batteries lock into my tools securely, and the build quality feels durable. Charging them with my Milwaukee charger has been smooth with no issues at all.Overall, this 2-pack is a great value for the price, especially considering the extended capacity and performance. If you're looking to get more done without constantly swapping batteries, I highly recommend these!
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