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KM 2041B-06 6000mAh Replacement for Kobalt 40V Battery Compatible with Kobalt 40V Lithium Battery KPM1040A-03, KM 4040-06, KM-1640-06,KM 1940-07(Blue-1 Packs)

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Availability: 13 left in stock
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Arrives Apr 21 – Apr 23
Order within 5 hours and 22 minutes
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Size: 1PC-6.0Amps


Features

  • BATTERY SPECIFICATIONL : Replacement OEM : KM 2041B-06 | Battery Type: Lithium-ion | Voltage: 40V | Capacity: 6000mAh | 100% Brand New | Quantity: 1 Pack Replacement for Kobalt 40V battery.
  • WIDELY COMPATIBILITY : Replacement for Kobalt 40Volt cordless tool such as 40V string trimmer, leaf blower, hedge trimmer, chainsaw and lawn mower etc. Replacement Battery for KM 2041B-06, KPM1040A-03, KM 4040-06, KM-1640-06,KM 1940-07
  • HIGHER CAPACITY : Upgrade to 6000mAh high capacity with advanced cells for long-lasting performance, 2X longer than run time the standard 3.0Ah; No memory effect, can be charged or discharged as needed without loss of capacity.
  • LED INDICATOR :4 LED indicator lights show the remaining capacity of the battery status. It displays when the battery is full charge or when it need to be charged so that ensure optimum performance and extend life.
  • BUY WORRY-FREE : From the date of purchase, all GERIT BATT products provide 12 months of quality problem solving time; Any concerns about this item feel free to contact Customer Service, we offer 24 hours' friendly customer service!

Number of Batteries: 1 A batteries required. (included)


Brand: GERIT BATT


Battery Cell Composition: Lithium Ion


Battery Capacity: 6000 Milliamp Hours


Recommended Uses For Product: Indoor/Outdoor


Number of Batteries: 1 A batteries required. (included)


Brand: GERIT BATT


Model Number: KM 2041B-06


Model Name: KM 2041B-06


Manufacturer: GERIT BATT


Warranty Description: 1 year manufacturer


Voltage: 40 Volts


Reusability: Rechargeable


Amperage: 6 Amps


Battery Capacity: 6000 Milliamp Hours


Unit Count: 1.0 Count


Battery Weight: 1 Pounds


Antenna Location: Indoor/Outdoor


Battery Cell Type: Lithium Ion


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Apr 21 – Apr 23

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Yard Work Savior—Fast and Reliable
My original charger for my 40V lawn tools finally quit on me right in the middle of mowing season, which was seriously inconvenient. I needed a replacement fast that would handle the job without costing a fortune. This replacement charger has been fantastic. The functionality is flawless; it plugs right into the battery and the wall outlet without any issues. The output voltage of 40 Volts is exactly what I needed, and it charges my spare battery just as fast as the original did. I put the battery on the charger right after I finish cutting the grass in the late afternoon, and it’s always ready to go for the hedge trimmer the next morning. The whole unit is lightweight, at only one pound, so it’s easy to move between the garage and the basement. For any homeowner who depends on their 40V yard equipment and needs a reliable, quick, and cost-effective charger to keep their tools running, this is a very sound purchase. ... show more
Reviewed in the United States on October 10, 2025 by Amazon Customer

  • Got My Lawn Mower Running Again
I was in a real bind when my old 40V battery charger for the lawnmower gave up on me. It's the middle of summer and the grass was starting to look like a jungle. Found this replacement and figured I'd give it a shot. The first thing I noticed was how light it felt, a little less than a pound, so it’s easy to move around. It hooked right up to the battery without any fuss. The charging time was just what I needed; I got a full charge in a few hours and was able to get the whole lawn done on a single battery. My neighbor, Jim, was over and was surprised at how quick it worked. It’s a solid piece of equipment that gets the job done without any drama. ... show more
Reviewed in the United States on September 30, 2025 by Elaine

  • it is helpfu
A while back I lost my original charger, without it my batteries were useless so all my garden tools just sat there. I decided to try this replacement charger, it immediately saved the day. Once plugged in, the indicator lights were clear to read, the battery charged up quickly. My 40V pack was full in about an hour, just in time for me to finish trimming before it got dark. The build feels sturdy and the connection with the battery is tight, no wobbling at all. After using it a few times, it has stayed consistent with no overheating or strange noises. It completely makes up for the lost original charger, it’s turned out to be a reliable option. If you rely on Ryobi tools regularly, this replacement charger is definitely a dependable backup. ... show more
Reviewed in the United States on October 1, 2025 by Elizabeth

  • Sturdy and Works Without Any Hassle
I needed a replacement charger for my 40V leaf blower since the old one stopped working, and I wasn’t sure if a third-party one would do the job. I decided to give this a try, and it’s been great so far. The first thing I noticed is how simple it is to use. I just plug it in, insert the battery, and the LED light tells me exactly what’s happening—no guessing if it’s charging or full. It charges pretty quickly too. I usually charge the battery while I’m having breakfast, and by the time I’m done with coffee and a quick walk around the yard, it’s ready to go. That makes yard work way less stressful, because I don’t have to wait around for the battery to fill up. I also like that it feels solid and well-built. I’ve dropped it once by accident, and it didn’t even crack. It’s nice not having to worry about it while I move around the garage or backyard. Overall, it’s been a simple, reliable replacement that fits right into my routine without any hassle. ... show more
Reviewed in the United States on September 17, 2025 by Samson

  • it changes battery fast
I picked up this replacement charger for my Ryobi 40V tools and it’s been super straightforward to use. Just plug it in, slide the battery on, the indicator lights tell you exactly what’s going on. I like that it doesn’t take up much space, I keep it tucked in the corner of my garage. The charging speed is quick enough, by the time I finish one yard task, another battery is already close to full. It feels sturdy and well made. I’ve used it with a couple of different Ryobi batteries and it works smoothly with all of them. For anyone who needs a backup or replacement, this one does the good job. ... show more
Reviewed in the United States on September 26, 2025 by Amazon Customer

  • fits my battery perfectly
My battery charger stopped working and I needed a replacement quickly. This charger fits my battery perfectly and works exactly as described. When I first connected it, I could immediately see it started charging and finished much faster than I expected. The battery did not get hot at all during the process, which made me feel safe using it. I appreciate that the charger has a clear indicator to show the battery’s status, making it easy to know when the charge is complete. The charger’s cooling system seems to work very well since there is no noticeable heat. Installation is simple, and the mounting hole is convenient for keeping it off the floor. After using it a few times, I can see that the charger is sturdy and built to last. It restored my workflow without any interruptions, and it feels good to have my battery ready when needed. ... show more
Reviewed in the United States on September 17, 2025 by Harry

  • Solid replacement charger for yard tools
This charger was a great replacement for the worn out model. It’s fully compatible with all 40V batteries in my tool system, whether they’re for the blower, trimmer, or mower. The universal fit within the 40V family is incredibly convenient—I only need one charger for all my tools, which saves space and money. The charger itself is compact and lightweight, with a simple design that doesn’t take up much room in the garage or shed. It also has built-in wall-mount slots, so I can keep it off the workbench and neatly organized. The build quality feels solid and rugged, designed to withstand regular use and outdoor storage conditions. The cooling vents keep it from overheating, and even after several back-to-back charging sessions, it runs smoothly without any issues. This is everything I want in a charger! ... show more
Reviewed in the United States on September 21, 2025 by Joyce Yien

  • it charger fast
I bought this as a replacement charger and it works just the way I hoped. My old one stopped working, and I wasn’t sure if this would be a perfect match, but it clicked right in and started charging right away. The indicator light is clear, so I know when the battery is ready to go. It charges at a steady pace without getting hot, and the cord has a good length that makes it easy to plug in without rearranging everything. I’ve used it a few times now and it’s been reliable every single time. It’s a simple tool, but it makes sure my battery-powered tools are ready when I need them. ... show more
Reviewed in the United States on September 24, 2025 by jenny baby

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