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ryobi 40 volt battery defective

I have the same symptoms with a battery someone gave me. When we try charging the If it is a hot day, or you have been using your batteries already and they are quite hot, try throwing them in the fridge, or taking them to a cooler area for a short amount of time before trying to charge them again. Garage is not heated and I just went out and saw that the charger was red. So keep this in mind when carrying out the following recommendations. Not really enough info there to help out. About a month ago I jumped into the 40v pool with the brushless expand-it trimmer. Hi George, If you tell me the model no. took 15-20 min. I bought a Ryobi OP4026 40v battery, charger, and a couple of weed eaters at a yard sale. A reasonable shown voltage can be a over-discharge battery. Have a trimmer. Amazon has the new ones, Otherwise if you are looking to save some money then maybe look for second hand units? Note that the bad one will not work in our 40 volt hedge trimmer, but does operate in the 40 volt blower. I have a working battery and charger again. Ryobi RY40220 40 Volt 5 AMP Lithium-Ion High Capacity Battery # 130302024DG9. I’m not sure of the age. Is it the release button?? It is fairly new (the other battery works fine). I bought a new battery. Not sure if the cold has anything to do with it? Lights showing full charge, 19 volts and not working. I have a 40 volt Ryobi that displays a 100% charge, but only has 19 volts on the terminals. My charger APPEARS to be charging – green lights flashing on both charger and battery – however, the battery is not charging above the current level. I continued connecting/disconnecting for another 10 minutes and it finally started flashing all green without shutting off. 90-day money back and a 12 months limited warranty! I pressed the button on the battery to see if It was fully charged and nothing lit up. I am trying to determine if I have a bad batteries or a bad charger. You could try testing the output voltage with a multimeter to see if there is voltage present. It sounds like the battery is not being charged – or possibly even that the charger is not detecting that a battery is plugged into it at all. If I release the trigger, and tap the outlet or remove and replace the battery it will start but only runs for 30 seconds or so. I went to use the drill, grabbed the battery from the charger and it didn’t work. There is a good site here at battery university that covers a few details that might help you. Option 3 worked for me. Well that indicated it could be the charger? Hey Alan, unfortunately if you don’t feel like replacing the individual cells and/or the circuit board in the battery then there is no magical way to revive them – apart from those I mentioned in the article. It never registered on the light display at the end of the battery regarding how much had charged. Even if it still doesn’t work, these batteries are worth a few bucks for repair on eBay. To expedite the process please have the battery in question as well as a compatible tool and charger. Aaron, thank you, Fix Option #3 worked like charm for my Ryobi 40V. Best bet is to give the manufacturer a call and find out. My spare battery functions normally in the trimmer and chars fine. My battery mower goes on but cuts out any suggestions on what to do. The 40 volt lithium-ion shown fully charged (press the ? I saw one source online that showed the hook up, but it was for a ryobi 40v but the main board inside was constructed different than the board in mine. The battery has 4 green lights and no red lights but the blower doesn’t work? It seemed to be stuck. I google searched (ryobi 40v battery not charging) and it has 10 pages of issues regarding the battery. Maybe someone else can help out if they read this. Do I just leave the battery in the charger all the time? It works fine. When I put the battery in the trimmer is does not work. Could that be the issue? If they are over 3 years old then it is likely just that they are getting old. CLICK HERE TO LEARN MORE 1 You Too, Can Recondition Batteries The Complete Story 2. If you need your replacement Ryobi 40V battery parts in a hurry, then you will want to head straight down to the closest supplier and buy it locally. Hi Emily, I would suggest contacting support for this one. Yes. I left them in the charger several hours just to see if the lights were incorrect but the voltage stayed around 19. Thought I had a bad battery #3 did the trick – Thank you!! The one that requires patience, the last one that you suggest, it works like a charm. Glad we could be of help Be sure to sign up to our newsletter here! It does this over and over. Is there no other way to reserrect the battery? 40V For Ryobi OP40261 40 Volt 6.0Ah LI-ION Battery OP40601 OP4050A+OP401 Charger 4.5 out of 5 stars (4) 4 product ratings - 40V For Ryobi OP40261 40 Volt 6.0Ah LI-ION Battery OP40601 OP4050A+OP401 Charger My 40volt battery won’t charge. Best regards. Get it as soon as Tue, Nov 24. The entire unit, battery and weed eater are both in exceptional condition. More info here. Seems to indicate a faulty battery then , I have the same issue as John. Project Guide. CDN$ 5.54 shipping. I have similar problems with a few 40v batteries I own. Free shipping. with my 40v battery. It has 2 “charge light dot” visible when looking at the charge of the battery, but only one “charge light dot” when in the appliance (lawnmower in this case.) Chain Saws. Has anyone had this issue? I used option #3 to fix my battery’s sleep mode. Gotta give Ryobi some love here..I've had 2 of these conk out on me, only over a year old, one returned to Home Depot, got a full refund after talking with Ryobi corporate...2nd one had green/red flashing lights on charger when inserted...called Ryobi, it was only a year old..gave serial numbers etc and they shipped a new one in 2 in these days of threadbare customer service... Nitrotech My 40 volt Ryobi battery is only a couple years old so I went on line to try to see if anyone else has had the red/green flashing kiss of death charging problem which led me to your site. Runs mower for 15 seconds. This is a sign that your batteries are on the way out. If you want to let me know the model number of your tools/battery I can look up a replacement for you. I recently purchased a new Ryobi OP4015 40v battery. What is the model number of your charger and battery? The most common cause for your Ryobi 40V Charger showing flashing red and green lights is that the battery has been over-discharged. Thank you, thank you, thank you. I have this exact same problem. Took a while to figure it out but flat I discovered it. 6.0Ah For Ryobi 40 Volt High Capacity Lithium-ion Battery OP4015 OP4026 OP40601 . Should I take it back to the Home Depot where I got it and get a replacement battery or charger? Just trying to find a quick fix, so I don’t have to purchase a new or used battery! If I then put it back on the weed eater it will do the same thing. Battery university recommends not boosting batteries that have been in sleep mode for a week or longer. However when i was outside trimming the yard, the trimmer stopped and then started again. Any ideas appreciated. Have you tried the methods in the article? All opinions are our own we pride ourselves on keeping our articles fair and balanced. I used it one time in my trimmer and charged it. Thanks for sharing your insight. Hi DG, View Blog, Waterdrop Reverse Osmosis Water Filtration System WD-G3-W Review, Place the battery in the charger until the green indicator goes solid, Just before the red/green lights start flashing, remove the battery from the charger, Re-insert the battery into the charger again and repeat steps 2-3, Do this until the green light flashes constantly (might take up to 30 minutes). It took at least 35 minutes of connecting and disconnecting the battery but it finally showed a sign that it might be working after about 25 minutes when the green charging light would stay on a little longer before shutting off. This is one of those topics that has experts divided. My 40v batteries fuel gauge stopped working a week or so ago. $63.99. Is there a date code anywhere? Lasica Replacement for Ryobi 40V Lithium Battery 6.0 Ah OP4040 OP4050A OP40601, Compatible with Ryobi 40-Volt Collection Cordless Power Tools Li-ion Battery and Ryobi 40V Lithium Battery Charger Biswaye 6.0Ah Replacement for Ryobi 40V Lithium Battery OP4050A OP4026 for Ryobi 40-Volt Cordless Power Tools Battery OP40601 OP4026A OP40401 OP4030 OP4050 OP4050A OP4015 OP40261 … I haven’t used my trimmer since August. So repeating this process over and over results in the battery slowly being charged in very small increments each time. RYOBI 40-Volt Lithium-Ion 4.0 Ah Battery and Charger (11) Model# OP4040A-03 $ 189 00. Thanks for any suggestions, I have a Royobi 40402 40V blower. Aaron you are the expert. Check that the contacts on your charger and battery are clean and look to be where they are meant to be. Whether you have a Ryobi cordless mower, a pole saw or one of the many other tools available, a common problem with Ryobi batteries is when the charger shows green and red flashing lights. At all. First thing I would do is clean the terminals on the battery and the charger. Remember polarity of batteries as lithium ion will blow up if reverse charged. This is commonly known as the battery being in “sleep mode”. My guess is that there is something wrong with the tool. This battery works with all RYOBI 40-Volt tools and chargers. I tried to put it in a tool and nothing happens. thanks! Free returns. You may have the same problem. I have a couple of these batteries that are faulty. I release the bar, push the start button and it starts up again. If you wait about a minute it will start working again. Can that be fixed. Read honest and unbiased product reviews from our users. Hi Aaron, I have a Ryobi cordless drill, I don’t use it often and it won’t charge it just continues to flash red? Each time I get 30 seconds before it shuts off. YOUR WEBSITE JUST SAVED MY BUTT!!! But that does sound suspiciously like it could be faulty circuitry on the batter control board. It seems to reason to me near 40 volts as it shows fully charged. As with any DIY fix with cordless tool batteries – it does have some dangers involved. Ryobi defective 40v battery. Ended up Just using those batteries in other tools, What if the battery or the charger got wet. I appreciate your feedback, Aaron. They charge fine and if I used the on a low draw system they work fine, but as soon as I put one in my lawn mower or weed whacker they run for a few minutes… stop… then a minute or two later then start up again. I have removed the hold down screw but need advice on replacing the post (removal mostly). And they didn’t want the old one back. Has anyone experienced this? Thanks! If the metal contacts on the battery or charger become dirty or corroded, then it can cause the Ryobi charger to incorrectly assume that the battery is faulty. If I pull battery out and put back in it runs for less than a minute again and repeat. Well don’t panic yet because it isn’t always a sign that your battery needs replacing. It happened to my sister’s weed eater. However unplugging the charger from the 110v for about 30 seconds and then plugging the charger back in, does reset it and it will continue charging for about another 15 minutes. my Ryobi trimmer stopped working after the string coiled up twice, jamming in between. You can purchase individual batteries at our competative prices or save even more by buying them in packs of one or two with a charger. I have two batteries so have had them hooked together as described for over one hour with no results. I’m so stoked! Same here and it’s a relatively new battery. I’m also at a loss for removing the battery from the trimmer. Is it the charger? Can they be bled down to zero? I just told the dude that answered the phone that one of my two batteries was showing RED/GREEN flashing on charger. Hi Ken, I am not Ryobi – for their support I suggest you try this page:, the charger light changes from red to green within seconds and battery remains uncharged. I have two 40v battery/chargers(1 less than 1 year old) both stopped working. Then try charging the battery again – this may be enough to kick the battery back into life. Click here to see Amazon’s selection of Ryobi 40V Batteries and Chargers. The best way to test which is the faulty part, is to take your battery down to your local store that sells Ryobi 40V tools and try it on one of their chargers. Sounds like either the battery or the charger has a fault. That is usually a sign that the battery has had it. Compare. However, this does not impact our reviews and comparisons. (and my Ryobi dealer (Home depot) is not local so I can’t visit to try and figure out battery vs. Try using a star bit to tighten up the handle connection. Suggestions. Do you think I got a defective charger or a defective battery? On the right side (looking as if you are pushing the mower) at the handle/mower connection, there is a small switch that must be activated to tell the mower the handle is fully set in the “use” position, not the “fold for storage” position. same experience. Can dropping the battery cause it to be inoperable? Does it happen only in hotter weather? Vacuums. I had discovered method 3 myself. It charged all the way up before giving me the red/green flashing lights. Has the battery lost capacity? Thank you for your help comments. It’s what I’m beginning to think. 4.7 out … This results in an effect known as battery memory. Dirt on the terminals can be removed with an alcohol soaked wipe. Has it got dirty terminals perhaps? Assuming your mower is like mine, check the bolts that hold the handle to the mower. I would try a new battery. If you need your replacement Ryobi 40V battery parts in a hurry, then you will want to head straight down to the closest supplier and buy it locally. I have arthritis in my hands and it is very difficult if not impossible to remove the battery from trimmer. When placed in either of my devices it will not work. I was told my existing battery is still under warranty – I will pursue a replacement as well. I would try bringing the battery charger and battery inside, let it warm to room temperature then try charging again. Do you have a multimeter so you can see what the voltage the battery is at? Yes, they are! I have two Ryobi 40 volt Lith to run a chainsaw, 1 battery shows fully charged both on the charger and on the lights on the battery but will not even try to run the saw, the second battery shows defective on the charger ( red & green Lights flashing) with only one light on on the battery but runs the saw just fine. Energup Replacement 6.0Ah OP4050A 40V Lithium Ryobi Battery for Ryobi 40Volt Battery Cordless Tools OP4015 OP4026 OP40201 OP40261 OP4030 … One of my Ryobi 40v lawnmower batteries only works until it is half discharged. Im not sure why, but it would seem that the battery is faulty. Thankx for the help. I just finished swapping a good board onto the good cells, but the voltage at the contacts is only slowly creeping up, and when a load is applied it drops right off. High capacity 40v battery pack, 2X longer than run time the standard 3.0 Ah, with the onboard LED system. Batteries are quite heavy for their size and they also contain breakable parts (circuit boards, electronic connections, plastic etc). Tell them your problem, and ask them if you can see and try the battery removal process for each model. So, the first thing to check if you are having problems with your Ryobi batteries is if they are indeed too hot or too cold. recharged the battery and tried again with no results. Dear, in France it is called 36V (instead of 40V) but I suppose it is same. It showed a full charge but wouldn’t work again. I notice there are 4 prongs/terminals on the battery itself and only 3 on the charging dock (see photo). Ashley, your comment has made my day! When I check the battery gauge, it shows it’s full and flashes. Are you using the bag? So keep this in mind when carrying out the following recommendations. So I have a battery that I am trying to charge from being completely dead, the charging dock is blinking red for testing, and after awhile the battery itself is now blinking on the screen that shows battery power. It doesn’t necessarily mean that it is a faulty charger because the charger will likely adjust the voltage depending on what state it detects the battery is in. If it is a strength issue, then you might need to ask a friend or a neighbor for help? What can I do? When it went to solid green I took the battery out of the charger and pressed the button at the end of the battery to indicate how much charge it has and it doesn’t display anything at all. I’ve just build up my knowledge over the years. Which ones? Since a different charger produces the same results. My Ryobi 40v charger is flashing red and green with no battery in it. A replacement battery costs between $99.00- $145.00 the leaf blower cost was a little over $100.00. . Look at the positive side though, you will now have two batteries to use! Any thoughts? Replace the FET on the heatsink. This is the second season I’m using this mower and I left the battery on charge all winter. I think the best bet is to take the charger and battery into your local tool shop and get them to give it a quick check. View profile Dirt on the terminals can be removed with a wire brush or an alcohol-soaked wipe. Read Our Guide. The charger works fine to charge the other battery and the mower works. I tried drying the battery out in the sun but no luck getting it to charge. Also I need to reduce that charging power (currently 80W – even 300W on fast charger not to modify). Essential Home and Garden provides trustworthy reviews, guides and tips for anything and everything to do with the home and garden. Hi! Did you already experience this or are you interested in if I find ? Is there any reason that you can’t replace the battery? Hi Alan, Sorry it took me so long to reply. As far as I can remember, the last time I used it (about 2 weeks ago), it ended up with 2 bars of power left. I’m hoping that a charge cycle will reset it and if not I’ll try something else. Voltage measured between +ve and T1 :32.6. Exclusive RYOBI 24 in. Find helpful customer reviews and review ratings for Powilling OP4050A 40V 5.0Ah Lithium-Ion Battery for Ryobi 40-Volt Collection Cordless Power Tools Li-ion Battery OP4015 OP4026 OP40201 OP40261 OP4030 OP40301 OP4040 OP40401 OP4050 OP40501 OP40601 at But if you find this is an ongoing issue I would recommend returning it to the store and choosing one that has an easier release mechanism. I tried the solution #3, out & in for 30 minutes, but the red & green lights keep flashing. For all other RYOBI batteries, please visit Direct Tools Factory Outlets. Thanks for the feedback Neil. I have a 40v Ryobi battery than when plugged into the charger the charger light stays green but the battery doesn’t charge. Thanks for letting me know that our fixes worked for you! Thanks a bunch! Is there any sign of life from the trimmer at all? The Milwaukee had been dead for at least a year and wouldn’t take charge but now its perfectly fine! Brand new battery in July and the battery was left on the charger in the garage . We stock the full range of Ryobi batteries and chargers, including all ONE+ 18 volt batteries, which are available in a wide range of capacities from 1.5Ah to 5.0ah. I put the battery in the weed eater and nothing happened. I tried option 2 (power supply) to the + and – terminals but no current flows. I would think that it is most likely a charger fault…. I’m going to try your recovery method (they’re Li ion, so the procedure should be the same) but I was What gives with the lights being illuminated but short run time? It took about seven minutes of this until…voila! Do I have a faulty battery?, faulty charger? Hi Sherm thanks for the comment. I have an Ryobi 40 volt string trimmer that is 5 years .code CS1305. Thanks. But would certainly be interested in hearing about your results if you try it. Unfortunately you probably need to get a new battery. Is there a way on the charger to bypass the sleep check function? I left it in for a couple hours and still nothing. My battery is 4 months old and won’t charge. Hi, Aaron! 99. + to T1 = 39.9 volts Any idea’s. So while we all love the Li-Ion technology of modern day batteries, it does have some problems that older styles of battery didnt have to worry about. Hi, Aaron! I put in on the trimmer and nothing happens at all. So I tried them both in the weed whacker and it didn’t work either. The only thing that I can think of is that you have accidentally bumped one of the contacts out of place? Sounds like a battery that has just gotten old and tired. Please try to let me know if you can! Any suggestions? Not sure why it would display 100% charge, and have 40 volts on the terminals, but still not power anything. I assumed it needed a replacement, so in May this year, I bought a new charger/battery. I have it plugged in to (re)charge, the “charging” light is pulsing. Any ideas? I had tried option 3 but the battery still couldn’t charge. Mine seems to be stuck like that at times. I planned on using the motors and battery for some robotics projects. Aaron Dpes this sound normal to anyone?? Tool Rental. Hi Tom, I am not sure sorry. Matter of fact, the OP40501 is 5.0aH, so it’s 20% better than the original. Check battery fuel gauge, 3 lights illuminate. ARe the blade moving freely? I picked up one of these units. Hi Victor, it’s hard to say but it could be a charger issue? I am having trouble removing the battery from my Ryobi weed cutter. The lawnmower and the 2 batteries it came with. If I’m forced to buy another charger, I’ll have spend more $$ on chargers than the equipment alone. But if it is only a year old I would go for a warranty repair/replacement. They all flash at the same time four times. I did contact Ryobi – as well as a local Ryobi dealer; local dealer said I had a dead battery. Do you have any other batteries that work in that charger? 46. I have a bit of a problem. Free shipping . Just runs a few seconds and shuts off. Well each time you insert the battery into the charger, it gives it a small amount of charge before detecting the battery as sleeping. This method should only be used if you don’t have a spare battery or power supply as per option 1. Fix option 1 does not show underneath the 40 volt batteries the positive and negative wires hook up. Thats great news! I tried option 3 and it worked. When I plug the charger into the wall, the red light comes on. If the same fault occurs then you have a faulty battery, if the problem does not happen on a different charger then it is likely a faulty battery charger. Maybe head across to our facebook page and like us there! Continued trying the fix even though the lights were just flashing red & green continuously. View Rentals. The battery is designed to become defective within a year. When I put battery in charger the flashing red light appears. 40-Volt Lithium-Ion Cordless Battery Hedge Trimmer (Tool Only) Model# RY40602BTL $ 119 00 $ 119 00. My 40v weed whacker does that when using the edger if it gets overtaxed. At this time what can I do? Maybe your blower contacts are not connecting with the battery. This time the flashing red light quickly turned into flashing green light for a couple of seconds than came the alternating red and green light. $89.99 $ 89. When it came time to do yard work (April) the charger worked fine. There is a red button between the Handel and base of Handel on right side. There are ways to attempt to fix this problem; take a look at the possible fixes below. As batteries are discharged, the materials inside them crystallize, reducing the amount of material available to take a charge. It charges according to the the charger lights. I’ve tried storing the battery away from the drill, and truedleaving it in the drill. I have both a weed whacker and a new drill. As you suspected my OP4026 40v lithium-ion battery is faulty (around 4 year old), I replace it with a new fully charged 40V4.0AH but the trimmer/edger is still not working. I spoke to Ryobi who told me that 6 years is over the lifespan of the batteries. If your terminals are corroded, then the corrosion can be removed with a piece of sand paper. the symptoms are it starts fine blows for a minute or two then stops. does this mean it is stuffed? Have you got a multimeter to test the battery voltage? If the Handel slides off the button the mower cuts out. The battery was dead when I got it so I put it on charge. When I put it back on charge, it took a charge just fine. I’m having the same problem. Unfortunately, electronics and water don’t mix. I’ve already tried your 3rd option & worked for a while, but could I possibly have a bad charger? Hi John, it could be a faulty battery? Sounds like a faulty battery to me. I have two chargers and three batteries (multiple Ryobi 40 v. The battery works to start the mower but once you turn the mower off, if you go to restart the mower you have to pull the battery out and reinstall it for it to work? If they can’t be cleaned up sufficiently then you should replace the battery. They should have new chargers in stock to test your battery on to work out which is at fault. that these cost more than the appliance to replace. Whats the model? I’m also unable to use it. Good luck! Hi Sharon, Sorry but it does sound more like a charger issue to me. I press and hold the “?” Button on my battery, all four lights flash twice, pause, then flash twice again. If you are having trouble finding a replacement let me know and I can help find an exact match, but Amazon should have you covered. then it shuts down again. Then today I cleared the snow again and following the cleanup, I placed that battery in the charger again, and again, it will not take a charge. The trimmer is not defective as I tried a spare battery and the trimmer works. When I place battery on charger red light flashes but no green lights work. There are two ways to try and wake up a sleeping battery. Either way, it can’t hurt to try it as they suggested – worst case you take it back and exchange it for a new one. But hey it was still good soldering practice! My 40 V Ryobi lithium ion battery is fully charged. Why does this work? Hey Aaron, I got it to work briefly, but just a bit. Upon further inspection what I’ve discovered is that the plastic fins near the terminals of the battery have been warped, as if the battery overheated while in use. And thank God! This time it did not work. Hi Dan, When did you purchase the battery? My Battery is LI-ION 40V 93.6WH OP4026 CS13055D390457. Does that sound like the battery or the charger? Would they work in my mower? What can be done to fix this?? Exclusive. Free shipping . I hooked a multimeter to the battery leads and the voltage slowly drops as the battery slowly drains itself. Put it back on the charger to get back to full, start trimming again and it does the same thing. I have never dropped this drill and it is still in mint condition but I think it would be out of warranty? I tried all options but none worked. If you are interested, you can read more technical details about “priming” batteries here: Ryobi Power Tool Battery Packs also Recalled in February 2013. Hey Roy. tools.) This morning I used it until it quit and tried it again and it quit again so I put it in the charger and got no lights. I have a battery ryobi trimmer with attachments. While you can replace the cells in the batteries, the amount of time it takes you, the cost of the cells and not to mention the possible safety implications make this barely worth it. This year I have one battery that won’t work in the mower despite showing its fully charged by the tester. Do i need to make any connectino to the other terminals marked T ? Replacement batteries are certainly not cheap, and most of us will want to avoid the need to buy a new battery if at all possible. Any ideas? I cannot release the battery. Ok then, 3 years old is where a Li-Ion battery generally starts to die. Is it possible the battery is frozen inside, & won’t budge? Arron my Ryobi charger shows solid red the battery has no charge and the light stays red when i try to use the weed eater it goes for a second then stops then goes the again any suggestions will be nice charger.) This could be a tricky one to diagnose. This week, it's blinking red/green on the charger, and showing 30v across the pos/neg terminals. When you put it on the charger the red and green light flashes on the charger. Finally the green charging light stayed on and battery is charging. Just bought tjhe ryobi 40v mower and after charging all night, I used the next mor ing and the charged last 10-15 min. I have the same problem Victor. Charger or battery issue? And then I can recharge it. Be sure to tell me your model numbers of your batteries/chargers etc so I can give the most relevant advice. You probably need charger. I did take about 30 minutes, (a little less), but it did. It is highly possible that your batteries are faulty though. Then I tried plugged in the charger with the battery already in it. Charger or battery issue? after trying fix option 3 my charger is flashing red and green without the battery. There are two ways to try and wake up a sleeping battery. I would doubt if it was used more than once or twice.

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