Ha! That’s interesting! Put the plastic cover back on the battery pack (just the part that goes into the charger) and set your battery on the charger to see if it will take a charge. My house fire started with batteries left in an old TV remote. Just don’t do any electrical work when you’ve been swimming in the ocean or are wearing ECG electrodes :). The section under the V with the straight line(s). ~ karen! Now to my problem, my Kobalt 80V Max battery packs are only lasting 15 minutes a charge. Your translator seriously screwed up your comments!! Correct, but voltage allows current to flow for a given resistance. All are powered by 80 volt lithium ion batteries and brushless motors. Hallelujah! I’m happy to report that those problems have been solved. Chrome. Each cell is normally 3.7v Step 4. Karen, YOU ARE BRILLIANT! Our highest voltage. Get the best deals for kobalt 40v battery at eBay.com. Just cut it off. The pulse works better on the older types, but I have used it for years for my own tools. I *believe* any AC adaptor would work. For the rest of you? The straight line. I love Canada and all the people who live there. This is great! Kobalt Mower, used 1 year battery would not take a charge. Der, you should propose to Karen, cause you could be an exlosive pack of energy together (poor pun intended). Test your the voltage on your battery pack again. Do this repeatedly. Cara Karen, Share. The only time the original technique wouldn’t work is if your battery is genuinely dead – a very old battery for example. Your email address will not be published. AT all. Anything less and one cell may have failed, so the charger will simply refuse to charge it because it is ‘probably’ damaged or faulty. Kobalt Battery reviews: Battery doesn’t hold a charge. Volts are symbolized by a "V" with one or two straight lines over it on a multimeter so it's that section of the multimeter that you use. Set comes with the Snow Blower, two 5.0aH Batteries & a Charger. You have *just* made booster cables! ;) ~ karen! Whelp, I guess I will be using the ol broom again. If the status LED is still blinking RED, remove the battery and unplug the charger for. This is a reply to my original post, and a thank you to Karen for your response to my original post :). You’re crazy and we love you. In fact, they have a line up of various lawn mowers. Only time and very little use has caused them to lose their charge … Required fields are marked *. You have a very entertaining following ;-). Hopefully, adding a bit of information to the “mix”. That's right. I’ll await the call about from the call about your call. Remove the screws holding the battery together. If you have any doubt with this way of charging them, DON’T DO IT! It’s for a 10 year old cell phone, you’re never going to use it again anyway. ~ karen! Separate and strip off 1″ of each wire. This will give you the most accurate reading. Yay! Just came across this tip. The pulse charging with an old wall brick is good because chances are, the wall brick is current limited. Click to see full answer Similarly, you may ask, how long does a 40 volt lawn mower battery last? This is what happens when peoples cell phone suddenly burst into flames in their pockets or in their bags. It isn’t. The kobalt 80v max charger; that charges battery model "kb 280-06" is the same design as for the kobalt 80v electric lawnmower, correct? For testing an 18 volt battery choose the 20 volts setting. Kobalt currently has a 40 volt max line of cordless battery powered outdoor equipment and now with 80 volts we can expect more power. If you have thick grass, this choice is especially important for you. After having my 5th Ryobi battery die in a year (1 old and 2 BRAND new batteries died within 2 weeks so the company sent me two more which promptly also died … ) I decided these batteries couldn’t possibly all really be dead. Note: If the battery and the charger won’t be used for a long time, remove the battery from the charger and pull ... A 80 V Charger 311011222 A WARRANTY Kobalt charger 3 … Caryl, you are right. If you have any sort of cordless power tool, but especially one powered by a Ryobi 18V battery, you have no doubt encountered the dreaded flashing red charger light. – “kill switch” at about 6.9 V One of the really impressive models we had the opportunity to check out was the Kobalt 80V self-propelled mower, which is a Lowe’s exclusive. My charger was designed for cell phones. Now all I need is a 21st century cordless… anything. Cheers. Written by Karen. If you accidentally use the wrong wire will stuff blow up? My husband Jim(of exploding battery fame) wants to remind you all to wear safety glasses! Then hold them down again. I hope this helped. Kobalt 40-Volt Lithium Ion (Li-ion) 480-CFM 110 … Sadness. Those are 18650 batteries! Please direct marriage proposals to my publicist. Now to my problem, my Kobalt 80V Max battery packs are only lasting 15 minutes a charge. I’ve never changed an iPad battery. Put the plastic cover back on the battery pack (just the part that goes into the charger) and set your battery on the charger to see if it will take a charge. I will show this to hubby though – he uses DeWault drills for work, but still good info! Suel, Exactly! There's a hidden screw under a piece of plastic. I know, I know, lol. Hence the “mixed” nails. Separate and strip off 1" of each wire. Lithium based batteries, even when almost flat, store a huge amount of energy, not electrical energy, but chemical potential energy. Hi Bob, if the problem with the charger not recognizing the battery is happening on the level of the board (in between the cells and the stem) then charging from the stem won’t fix the problem. My question is simply why bother taking the battery apart in the first place? Although it is wise to check the charger to make sure the output is DC and not AC, there aren’t many that output AC anymore. Want to guess why?? Very often I stop watching videos because the “background” music drowns out what the person is saying. Battery wont charge. Simply plug in, wait a few seconds, and unplug. Do you mean that these batteries are DC, and we are not to try to use an AC charger to pulse them? ~ karen! Charging a dead batt with a good batt may produce an overcurrent situation and damage the batts, cause sparks, and/or cause fire. Kobalt Battery reviews: Battery doesn’t hold a charge. The point this MIKE MAC is making is NOT that you could be electrocuted, at least I hope not, because you’re right, you’re not going to get electrocuted by a 20v battery pack. ~ karen! Yes, thank you for mentioning this. Those are a standard in many electronics. I hope you are doing well, and planning many fun adventures. ~ karen! In my case the battery was carrying a charge of 0.06 volts. If you try to charge such battery, do so at very low current, otherwise it might heat up a lot, not only causing further damage to the cell (heat kills battery - dielectric is liquid and it dries out) but the cell, in unfortunate situations, might heat up to critical temperature, which might ignite the dielectric, that will eventually ignite the cell itself and whole battery might burn or … Hallelujah! The pulse charge will work unless a battery is worn out. KB cs says return to store with out receipt and package and the warranty will be honored. Step 11. Touching the red probe to the positive (red) terminal and the black probe to the negative (black) terminal, read the voltage shown on the multimeter. No vid :'(. But, did you say something about changing the battery of your iPad? Not the squiggly line. now green and charging. Does anybody know where i can buy one. All are powered by 80 volt lithium ion batteries and brushless motors. If you can see and positively identify the + and – terminals on the battery, and access them, is there any reason you cannot just pulse charge them through the terminals? we are made of water, we are naturally conductive, we burn easly, lithium batteries are highly flammable. Second… Maybe it’s time so switch to DeWalt. I just tried the plug and unplug method and it worked – amazing. I’m using Chrome at the moment and it’s showing up perfectly. kobalt 40v battery charger red light February 18, 2021 4:38 am Published by Comments Published by Comments If the charger were to start pumping power into it, there is a VERY good chance the faulty cell would go WHOOSH, and take the other 4 cells with it. Initial no-load voltage, when fully charged, peaks at 80 volts; nominal voltage under typical load is 72 volts Revive us again. I’ve now fallen in love with you because of this post. **********************************************************************************. Just clipped the positive on to the larger panel on the battery and the negative onto the other clip and it’s all go. What a woman! This is where this ‘boosting’ trick comes in, we are manually putting in a little bit of charge to get it back up to the point that the charger will accept it as a ‘flat’ battery and agree to charge to for us. If that fails, you can relatively easily replace the internal cells if you are a good with a soldering iron – the originals will be welded together at the factory with an ultrasonic welder. It works with NiCad batteries, sometimes NiMh and such. Voltage doesn’t kill. Like. Cut the end off of your AC adapter. It’s “defective”. Very useful indeed.). View and Download Kobalt KM2040X-06 user manual online. And as we all know, half a screw is worthless. Remove the 2 plastic side pieces. Kobalt 40 Volt Charger and Battery Troubleshooting - YouTube When the battery is inserted into the charger and the status LED blinks RED, remove the battery from the charger for 1 minute, then reinsert. The last thing you can try is to put the battery in the charger and then plug it in and unplug it (the charger) repeatedly. Any professional technician is taught this in their training day one. Real bummer. That is really silly. Thanks for the info. I use them in just about everything these days. I changed the battery in my Macbook Pro. Sometimes these are not true at all and you will find out later that the charge won’t last as long as the original ones. – fully-charged about 12.6 V Amen. Ask a question about Kobalt 80V 53cm Steel in Battery Lawn Mowers. Most of these demonstrations are triggered by a nail or some other deliberate damage to the cell, but they will go up just as easily due to a short circuit, or heat. I’ll let you know how it goes. Hi, I have really learned a lot from this forum. ~ karen! Thanks John. Good for you. 3. I’ve done this without taking the battery apart. We aren’t made of water. If the battery won't hold a charge, or the current does not drop after the expected recharge time, the battery pack may have some permanent sulphation. RYOBI 40V Cordless Brushless 21 Snow Blower w/ Two 5.0aH Battery & Charger. A few years ago I bought a kit of weird small screwdriver heads from Amazon. This also worked on my Ikea battery screwdriver. I’m pretty certain my wife of 36+ years wouldn’t approve of my serious proposal of marriage to you, and your husband might not, as well, but just rest content that the sentiment is there. ¡Pero estoy seguro de que “Karen” obtuvo el punto principal, que es su “arreglo” funcionó como se describe! ~ karen! 1 – Is there a minimum voltage that the AC adaptor should have. This is great, thanks for sharing! Here's how to fix that. I actually have a Ryobi drill battery that is dead and was going out to get a new one. John. Use the multimeter to measure the stripped wires, then put black tape on the negative one to remind you. Plug your AC adapter in and using the wires, boost your dead battery. I zapped my Bosch drill battery without removing the casing and successfully revived it. This is kinda sketchy… Charging damaged (which can happen if voltage is too low internally) or unevenly charged lithium cells can cause them to heat up and burst and then spew out flaming melted plastic and violent torch like flames. So after the pulse fix. I hope it will not die on me; I am always amazed how long it holds charge. With the short-period contact with the output of a 15V wall charger, it is not likely that you will cause any damage to the battery pack. It could be dangerous. With tons of power comes a corresponding amount of capability. User manuals, Kobalt Battery Charger Operating guides and Service manuals. One for photos and one for the video. Left it charging overnight and the charger still has a solid red light. Step 2. (Forwarding this tutorial to my farmer husband for use in his shop. You need to pry the plastic off to get at the screw underneath. Wow, I wonder how I can revitalize my batteries used in everything else (yes, I have a Ryobi cordless). If Karen’s ‘hack’ works on a cordless, this will change my life! You need to pry the plastic off to get at the screw underneath. Karen, I’m new to your feed, but have several batteries I’m gonna try to revive at home using this info. Cool! Thanks. I love my Ryobi to death. 80 v Battery. the defective 14500 won’t accept any input. This 2.5 amp battery will with some to spare! Do this on and off for approximately a minute. Over and over. I used a very thin screwdriver to pry it off. That’s exactly what Kobalt’s rugged lineup of 80V Max tools delivers, thanks to its professional-grade lithium-ion battery I realized it was only a 5V charger when it charged the batteries to 5V at the charging leads (which barely registered at 0.2V through the battery circuitry at the normal connections). It’s not the big “muscle” kind like Karen’s, it’t the lil’ one that has the battery inside (i.e. Thanks Karen; It made it even moor clear as I viewed you video. Because the diodes in the circuit board will only allow voltage to travel in one direction, if you try to boost from the stem it will not reach the battery. You heard me right. Plug your AC adapter in and using the wires, boost your dead battery. The danger wouldn’t be just from the batteries, but the plugged in power supply as well (with the stripped wires). I always knew there HAD to be a way to get those suckers to work again. So I was happy to see the development of the newer Ryobi P117 Intelliport Charger. It could be those batteries are genuinely at the end of their life. Get the best deals for 80 volt kobalt battery at eBay.com. No, it’s not safe. There's a hidden screw under a piece of plastic. I can only imagine the joy of living with a wife who knows this stuff……. Excuse me while I go buy a multimeter. Yes, but the 80/82V batteries and tools, like the 60V line, require modification of the battery case or the tool to allow the batteries between Snapper 82V, Greenworks 80/82V, Kobalt 80V, etc to be interchangeable. One spouse is enough. I noticed on your page the statement made "kobalt 80 v mower has been discontinued by kobalt" it’s not removable). I love the simplicity of your solution, I would do the power “pulse” for 2 minutes and not be discouraged until it took over 10-12 minutes. Posting this tutorial a few things and BAM s gon na love you Pablo. New Ryobi battery batteries are a wondrous invention that are n't working suddenly burst into flames in their bags 5.0aH! 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