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Customer Reviews for Milwaukee M12 12-Volt Lithium-Ion Battery Charger

Internet #202043587

Model #48-59-2401

Store SKU #822391

  • Communicates with the battery pack to ensure a full charge
  • Onboard indicator light provides the status of the battery
  • Pass-through plug conserves valuable outlet space

Customer Reviews

  • 3.6
    out of 159 reviews
  • 67% recommend this product
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Showing 1-30 of 159 reviews
Yes
I have at least 10 Milwaukee tools. From drills, to sanders to 1/2” racket. All of the tools are in my barn and I use them to fix my boats, trailers and my house.
by
Response from Social TeamJan 29, 2024
Thank you for leaving a review on your M12™ REDLITHIUM™ CP1.5 Battery! If you have additional feedback or need assistance, please feel free to reach out to social.media@milwaukeetool.com. Thank you - Milwaukee Tool Social Team
    I would not buy this product again
    Got this for Christmas opened it up put the battery on the charger and it will not charge. It just flashes red and green will not take charge. I would not recommend this product
    by
    Response from Social TeamJan 8, 2024
    We are sorry about your experience with your M12™ REDLITHIUM™ CP1.5 Battery Pack. A team member will email you to ask for your information so we can assist you! - The Social Team
      “Broken” before first use
      Battery is showing “broken” on the charger directly out of the box.
      by
      Response from Social TeamOct 19, 2023
      We are sorry to hear about your out-of-the-box experience with your charger. Our team will be in contact via email to gain more details and assist with a new unit!
        Can’t recommend
        Two batteries came with a tool I used one time , only charged them one time and now they won’t charge and have the red/green flashing lights on charger.
        by
          I am very disappointed in this product
          We have had 3 of the large M12 batteries stop charging within a few months. I have two bad ones I currently need to have replaced. It is ridiculous for them to stop working for as much as they cost.
          by
          Response from Social TeamSep 6, 2023
          Hi there! We just emailed you to learn more about your M12™ REDLITHIUM™ CP1.5 Battery Pack. We look forward to assisting you! - Milwaukee Tool, Social Team
            Very disappointing
            Bought a 2 pack of the m12 3.0ah batteries and they were great for a couple weeks but now one of them flashes red and green on the charger and won’t charge at all. I can’t recommend this product any more.
            by
            Response from Customer CareNov 9, 2022
            Hello! We are sorry to hear about this experience! We recommend sending the battery to us for repair utilizing our eService portal - http://bit.ly/2cwwBwJ. This allows you to send it to us, free of charge, to be evaluated by Milwaukee technicians! The average turnaround time is about 7-10 business days. You can also have your battery repaired through your nearest authorized service. You can find your nearest center here - http://bit.ly/2rn6crF. Otherwise, you can always give us a call at 1-800-SAWDUST from 8:00am to 6:00pm CT, Monday-Friday. If you have any other questions, feel free to reach out to our team at social.media@milwaukeetool.com. Thank you! -Social Team
              Perfect fast charging fits easy to any tool bags.
              Perfect fits works great easy-to-use Milwaukee one of the best tools
              by
              • Verified Purchase
              • Recommended
              Retaining clip keep breaking
              Great tools but the batteries need a better design✔ Retaining clip keep breaking Review*Field input is valid.49 / 50✔
              by
              Response from Customer ServiceAug 6, 2021
              Hello Robbob, we are sorry to hear about the retaining clip on your M12™ REDLITHIUM™ CP1.5 Battery Pack. We would like to follow up and assist you further. We will reach out over email. Thanks! -Cayla
                • Recommended
                Great batteries
                I’m an auto tech, I use these tools everyday. I have 4 of these batteries. Long like span. Plenty of power for the size. Only issue I have with them, the black case at the bottom has broken on all 4 of them. But I’m not going to complain about it. Just need to figure out how to order more of the cases.
                by
                  • Recommended
                  I would never buy this product again.
                  I bought the Milwaukee drill and M12 charger and was so excited. Finally my own Milwaukee! Took it out of the box and tried to charge my batteries. The darn red light came on and just stayed on for both battery packs. This really upsets me. Now what do I do?
                  by
                  Response from Social TeamApr 22, 2024
                  Hello, thank you for leaving a review on your M12™ Lithium-ion Battery Charger. A solid red light indicates that the battery is charging. If the green light is not appearing after charging is complete, can you please email us at social.media@milwaukeetool.com? - Milwaukee Tool Social Team
                    works like a champ for its size
                    works like a champ. great size for the small tools.
                    by
                    • Verified Purchase
                    • Recommended
                    by
                    • Verified Purchase
                    by
                    • Verified Purchase
                    Working as intended.
                    by
                    • Verified Purchase
                    by
                    • Verified Purchase
                    Would not recommend buying
                    Purchased for charging batteries for heated coat, charger flashed red green showing bad batteries, tried 3 different batteries same results, won't charge
                    by
                      by
                      • Verified Purchase
                      Buyer Beware
                      Does not charge after only a few uses. Tried on several chargers still does not charge. I would not buy this battery again, and would recommend anyone to do the same. Shameful for a Milwaukee product
                      by
                      Response from Social TeamDec 19, 2023
                      We recommend sending your M12™ REDLITHIUM™ CP1.5 Battery Pack through one of the warranty options available on our website under the "Support" tab! If you have questions about the process or options, please email us at social.media@milwaukeetool.com. - The Social Team
                        by
                        • Verified Purchase
                        It works
                        It works, but could be better. More capacity would be helpful.
                        by
                        • Verified Purchase
                        No, i wouldn't but and dont recommend to buy
                        I use this very seldom and have only used it may be 3 times in total. This past week I took it out to use it and the charger just blinked once and gone off. I have power and tried multiple outlets to no avail. I have used many different types of chargers and this happens to be the worst one.
                        by
                        Response from Social TeamNov 1, 2023
                        Please send your M12™ Lithium-ion Battery Charger through one of our warranty options, that can be found under the "Support" tab of the website. If you have any questions on the process or steps, please email us at social.media@milwaukeetool.com. - The Social Team
                          great addition to my growing milwaukee tool collection
                          by
                          • Verified Purchase
                          bad reliablity on the batterys
                          I ordered a charger kit ....2Pack 3000mAh 12V Battery and Charger Compatible with Mil-Wkee Replacement for 12Volt Battery and Charger Kit 48-11-2401/48-11-2402/48-11-2410/48-11-2411/48-11-2412/48-11-2460 in Feb and the stand-by battery DIED after only being used once and When I went to charge it IT WAS DEAD !! the second battery charged OK and so far is still working... don't have much hope of it lasting much longer
                          by
                          Response from Social TeamAug 21, 2023
                          We appreciate your review! Our team emailed you for more information regarding your M12™ REDLITHIUM™ CP1.5 Battery Pack. We look forward to assisting you! - The Social Team
                            easy fast
                            excellent
                            by
                            • Verified Purchase
                            • Recommended
                            by
                            • Verified Purchase
                            Battery or Charger
                            New M12 Red Lithium XC 4.0 Battery bad. 4 months ago Just bought a new M12 12-Volt Lithium-Ion Cordless LED Underhood Light with one 6.0 Ah Battery and Charger. I can't use the light because the battery will not charge. It keeps blinking red to green. It appears the battery is defective. I unplugged the charger for 2 min's then plugged the cord back in and reinserted the battery. I tried this 5 times and it didn't help. I guess take it to a service center under warranty. No,I do not recommend this product.
                            by
                            Response from Customer ServiceJun 12, 2023
                            We are sorry to hear about your experience with your M12™ Lithium-ion Battery Charger. If you need further information on your warranty options we do recommend visiting our "Support" tab on our website for more information. If you have further questions, please email our team at social.media@milwaukeetool.com. Thank you! - Social Team
                              • Recommended
                              They are great tools
                              Love it I use it to change lawn mower blades switch tires from front to back
                              by
                              • Verified Purchase
                              • Recommended
                              Useless
                              Used in driver and tubing cutter for about 2 years. Why is this 2 years and the other batteries 3?
                              by
                              Response from Customer ServiceMay 4, 2023
                              We appreciate your leaving your feedback on your M12™ REDLITHIUM™ CP1.5 Battery Pack. We recommend trying our Lightning Max Repair Program (LMR) guarantees that you only pay the actual cost of the repair and protects you if the repair costs end up exceeding the LMR quoted price. You can find additional details on our Milwaukee Tool website under the "Support" tab. - The Social Team
                                Great charger
                                Works how it should great little charger fast and reliable.
                                by
                                • Verified Purchase
                                • Recommended
                                I don't recommend
                                seldom use charger and tried again just today. the charger gave a quick green light then would not light at all. i confirmed that I have power and had also bought a new battery. No lights. how can I get this working? Really frustrating when trying to just do small jobs.
                                by
                                Response from Customer CareMar 8, 2023
                                Hello! We recommend sending your charger o us for repair utilizing our eService portal - http://bit.ly/2cwwBwJ. This allows you to send it to us, free of charge, to be evaluated by Milwaukee technicians! The average turnaround time is about 7-10 business days. You can also have your charger repaired through your nearest authorized service. You can find your nearest center here - http://bit.ly/2rn6crF. Otherwise, you can always give us a call at 1-800-SAWDUST from 8:00am to 6:00pm CT, Monday-Friday. If you have any other questions, please feel free to email us at social.media@milwaukeetool.com. Thank you! -Milwaukee Tool Social Team
                                  Showing 1-30 of 159 reviews

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