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NEW Milwaukee M12 | M18 Simultaneous 4-Bay Super Charger

5.5K views· 87 likes· 3:47· Jan 30, 2026

Milwaukee M12 | M18 4-Bay Simultaneous Super Charger (48-59-1818) This is Milwaukee’s newest high-performance charger designed to power both M12 and M18 platforms at once, with true simultaneous charging and “Super Charger” speeds. Key features Charges up to 4 batteries at the same time Bay layout: 2 dedicated M18 bays 2 hybrid bays (M18 or M12) Adaptive power distribution (CHARGE ADAPT) to maximize charge speed Active cooling (COOL-CYCLE) to reduce downtime PACKOUT compatibility for jobsite storage and transport Works with all Milwaukee M12 and M18 batteries Speed & performance Up to 10× faster charging compared to standard chargers Four M18 FORGE HD12.0 batteries can reach 100% in about 90 minutes Designed to deliver the fastest charge rates Milwaukee offers while protecting battery life via REDLINK intelligence Smart charging tech REDLINK intelligence monitors voltage, temperature, and charge status to optimize speed and battery lifespan CHARGE ADAPT dynamically shifts power between bays so you get usable batteries faster Why this charger is a big deal Compared to older Milwaukee chargers: Standard or rapid chargers → sequential or slower charging Dual-bay Super Charger → only 2 batteries at once 4-bay Super Charger → true multi-platform, simultaneous high-speed charging In other words, it’s designed for crews running lots of batteries and both M12 + M18 tools on a daily basis.

About This Video

I’m at World of Concrete at the Milwaukee booth with Ethan, and we’re digging into Milwaukee’s brand-new M12/M18 Simultaneous 4-Bay Super Charger (48-59-1818). The big headline is true simultaneous charging—no more “one, two, three” style charging where the bays take turns. You’ve got two dedicated M18 bays plus two hybrid bays that can take either M18 or M12, which is exactly what a real jobsite needs when you’re running mixed platforms all day. We also talked about COOL-CYCLE, which is active cooling that forces air through compatible packs (like the FORGE batteries with ventilation holes) to cool them down fast. Cooler packs mean you can charge sooner, charge faster, and generally get more productivity through the day—plus heat is the enemy of battery longevity, so cooling helps there too. One thing it doesn’t do: it won’t warm up a cold battery (Northeast guys, you know the struggle). Milwaukee’s demo numbers were pretty wild: compared to a standard charger getting about 40% on a high-cap pack in 90 minutes, this Super Charger is aimed at charging four high-cap packs to 100% in about 90 minutes—built for crews sharing batteries. It’s also PACKOUT compatible, has about a 6-foot cord with a wrap, and it’s slated to launch this summer (price still TBD).

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