Could be a dodgy connection between the board and the terminals aswell.. 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. This is new equipment purchased a couple of months ago. When I put battery in charger the flashing red light appears. This question was also asked in our facebook group, but I will post the answer here as well for others to benefit: Hi Matthew, it sounds to me like a faulty battery. Thanks. Reset Find . I have a P104 lithium battery that shows full charge on both the charger and on the battery, but will not work when placed in any of my Ryobi tools. It certainly can! If it is under warranty still then there should be no problem – you can find more details here: https://www.ryobitools.com/outdoor/support/batteries, Hello Aaron. my battery is a 2016 battery and it will not charge. Remove the battery from the charger and then use a dry cloth or cotton swap to clean the metal contact terminals on the battery. My guess is that there is something wrong with the tool. Turn off the charger, and remove the battery. Replace the FET on the heatsink. What is the model number of your charger and battery? Then tried to charge, but it went to flashing red. I did contact Ryobi – as well as a local Ryobi dealer; local dealer said I had a dead battery. The new battery works fine in either tool. I press and hold the “?” Button on my battery, all four lights flash twice, pause, then flash twice again. There is a good site here at battery university that covers a few details that might help you. Could be a faulty charger if not…. You can also use hot melt glue or tapes to firmly keep the batteries together. When I go to use it it runs around high speed for a few seconds and then completely stops. You can use high-end battery testers, or you can simply use your Ryobi battery in one of its tools. Repeat (up to 30 min) until it has enough charge to ‘revive’ itself. My Ryobi trimmer/edger stopped working. 4 years is pretty good out of a battery these days! I have not tried your option 3 yet. My 40v weed whacker does that when using the edger if it gets overtaxed. It took a lot of patience (a good 15 minutes), but worth the time inserting and removing the 40 volt battery. The third, flashes on the very first light. And yes, I’m guilty of leaving it on the charger way too long. After securing your battery pack, you attach the thermistor to one of the cells. I had this problem too. Battery shows levels of charging as I would expect. I put the battery on the charger and it lights up steady green. I have never dropped this drill and it is still in mint condition but I think it would be out of warranty? With these, you will only need five pieces to achieve 18 volts. I have a 40 volt 5 ah Ryobi battery. Did you already experience this or are you interested in if I find ? For more info see our disclosure statement. Would appreciate any suggestions on how to fix. If it is reasonably new, then it would be best to get both checked under warranty. The lawnmower and the 2 batteries it came with. If you are interested in Ryobi battery compatibility, click the link to read. Still showing full charge. Yes solid green indicates that the charger believes the battery to be fully charged. 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. Again 15 seconds of charge. Im not sure why, but it would seem that the battery is faulty. Consequently, one replacement battery type could suit your needs better than another. It uses the same Lithium-Ion battery pack that powers the entire Ryobi line of products, making it easy to charge, change, … ernie. The battery doesn’t charge nor does it work in the trimmer. It does this over and over. Thanks. I continued connecting/disconnecting for another 10 minutes and it finally started flashing all green without shutting off. It says you push the button on the bottom, but it doesn’t move (like doesn’t go in or out) and I can’t get the battery off. I tried option 3 and it worked. 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. Any idea’s. But when put into the charger the red/green lights flash indicating a defective battery. charger.) When I put it back on charge, it took a charge just fine. If you wait about a minute it will start working again. Amazon has the new ones, Otherwise if you are looking to save some money then maybe look for second hand units? Any thoughts? I can;t find any info with the code you included – can you provide a model of the battery itself? I would guess its likely the battery though. Disclosure: As an Amazon Associate I earn from qualifying purchases. Simply charging all the internal cells up individually will usually allow the battery pack to once again be able to be charged on the OEM charger. You can use high-end battery testers, or you can simply use your Ryobi battery in one of its tools. Fast flashing indicates a poor connection between the battery and charger or a problem with the battery pack. Amazon has it here. Seems to indicate a faulty battery then , I have the same issue as John. Second, if I run the weed eater at a slower speed, it will run quite awhile. Thank you very much! Has the battery lost capacity? What can I do? So I grabbed the batter from the weed whacker and the drill didn’t work either. The battery was dead when I got it so I put it on charge. I’m going to try your recovery method (they’re Li ion, so the procedure should be the same) but I was That could be a number of things – maybe there is still some string jammed in it? I bought a 40v weed eater and charged it last night to full. They should have new chargers in stock to test your battery on to work out which is at fault. Put in charger all lights on battery come on, one flashing, and charger green light flashes for a minute then goes solid green—full charge. It is fairly new (the other battery works fine). I have a battery ryobi trimmer with attachments. But hey it was still good soldering practice! Contacted Ryobi. I believe it would be solid green? You have to make sure that the entire procedure gives off good results. The air temp is 18 degrees today, so I did not do the warm up thing again, but maybe tomorrow. Remember polarity of batteries as lithium ion will blow up if reverse charged. Haven’t tested that out. 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. You first need to remove the batteries and determine the type of cells you have. Is there any sign of life from the trimmer at all? Ryobi 40V battery (96 Wh), 3 years old, will charge. When I put the battery in the trimmer is does not work. I would appreciate your comments. 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. That sounds like a charger problem to me. I have a bit of a problem. Can dropping the battery cause it to be inoperable? Send me more details if you like: aaron (at) essentialhomeandgarden dot com and I can help you source what you need. Any suggestions? It took about seven minutes of this until…voila! Mine seems to be stuck like that at times. So, I have two good batteries and know how to resuscitate them. Turn off the Ryobi power tool once it stops running, and allow the battery to cool for about 10 to 15 minutes. Any ideas? I called Ryobi and they sent me a new battery. When I set them in the charger, they blink with at least 1 light on, sometimes 2……. What do you think I should do? Option 3 worked for me. The indicator lights on the battery show depleted charge, but it isn’t completely dead – I used the weed eater briefly, but it had slowed power. What in the world does this mean?? Thank you for your help comments. Have you had any luck contacting Ryobi or is there a warranty on these batteries? If it is a strength issue, then you might need to ask a friend or a neighbor for help? Two of the batteries have solid green on the first of four lights and flash on the second. I decided to purchase a reconditioned Ryobi Weed Blower from Home Depot that came with the same type of battery and charger for $89.00. Any suggestions? When I place it in the charger there are still 3 solid green lights with the 4th flashing green which goes continuous green eventually, so you have 4 solid green lights, then it goes through the sequence again as described above. After securing your battery pack, you attach the thermistor to one of the cells. I have 3 batteries and it takes all three to do my drive and our elderly neighbors too. I actually have 6 batteries. Free shipping. Suggestions. Does the battery go flat when the mower cuts out? I’m hoping that a charge cycle will reset it and if not I’ll try something else. Click here to see Amazon’s selection of Ryobi 40V Batteries and Chargers. Ashley, your comment has made my day! 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. I called support, they said thats not normal and to try fully charging 3-4 times and it “should” last longer. Garage is not heated and I just went out and saw that the charger was red. YOUR WEBSITE JUST SAVED MY BUTT!!! The problem here with Ryobi 40V chargers, is that they don’t incorporate a “boost” feature that would allow a a battery that has entered sleep mode to be woken up again. We'll also tell you more about brands based on the technology and compatibility of the cordless tools. I release the bar, push the start button and it starts up again. Shows all green but will not work. 3 good, 2 with completely dead cells, and one with good cells and a bad board. Thought I had a bad battery #3 did the trick – Thank you!! Many times this happens due to a cell within the pack that becomes 'unbalanced' or dead. I had discovered method 3 myself. https://www.ryobitools.com/outdoor/products/details/40v-lithium-ion-charger To expedite the process please have the battery in question as well as a compatible tool and charger. That way you can be sure to get one that you can actually use! The battery held its full charge from the fall and I used it, but now that it died, it won’t recharge. I have a 40 volt Ryobi that displays a 100% charge, but only has 19 volts on the terminals. Whether you are a DIYer, Hobbyist, or professional contractors such as electricians and plumbers, I will provide you all the latest news and professional reviews for all your favorite tools and Brands. One of my Ryobi 40v lawnmower batteries only works until it is half discharged. Both chargers have the same “manifestations.” This all started after using my leaf blower with all three batteries, and trying to recharge. Feel free to email me for a quicker response on admin (@) essentialhomeandgarden DOT com. What this means is the battery has been discharged to such a low level that the charger has trouble detecting if the battery is healthy or not and decides to not risk charging it – showing the dreaded flashing red and green lights. And they didn’t want the old one back. How do I get a batter off a RY4000A1 Weedeater? I am having trouble removing the battery from my Ryobi weed cutter. The Ryobi 40v jet fan blower is a portable, cordless, gas-less leaf blower designed predominantly for non-commercial use. You will be needing a wire cutter, screwdriver, solder, and soldering iron. Hi Sherm thanks for the comment. I learned to unplug the charger on hot days when I was using the battery after that the tool ran fine. Aaron is the founder of and Essential Home and Garden. Glad it worked! Look at the positive side though, you will now have two batteries to use! Otherwise there are some third party batteries on Amazon that are a direct replacement for the P104’s here: http://amzn.to/2lzxc2f By all reports these batteries are just as good as genuine Ryobi’s. Thankx for the help. So keep this in mind when carrying out the following recommendations. Our mission provides great perspective from many different end users. Put your Ryobi battery into the charging unit. It is highly possible that your batteries are faulty though. Once again, leave this connected for a few minutes then try charging the battery. It seems to reason to me near 40 volts as it shows fully charged. Is there a fix for this? Connect you charger to the power outlet. I have it plugged in to (re)charge, the “charging” light is pulsing. He likes to spend his spare time with his family, and doing DIY projects in the home and garden. It might be the tool. 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. So I hooked one of the motors directly to the battery leads, nothing again. A Ryobi 18v battery has extreme charge and discharge capacities. By doing this, you need to unscrew six bolts at the bottom. Some are great and work well, others are not worth the time or the money. The charger works fine to charge the other battery and the mower works. So I have some good news for you; it is possible to fix most Ryobi 40V battery problems yourself. The Fix Option 1: Use a second healthy, fully charged battery of the same voltage and connect the terminals matching polarity (positive-positive, negative-negative) using wires and leave them connected for a few minutes. After 4 minutes I put it in the good charger and it fully charged! Will comment on the end result. 1st the charger was flashing green, & I had 2 lights flashing, then a little while later the charger turned flashing red, & battery went down to 1 cell being charged. There are ways to attempt to fix this problem; take a look at the possible fixes below. Place the battery in the charger until the green indicator goes solid. It is possible (but not likely) that the motor could have burned out. Put your Ryobi battery into the charging unit. Maybe someone else can help out if they read this. I’m not sure of the age. I cannot release the battery. does this mean it is stuffed? Same here and it’s a relatively new battery. It sounds like it could be a heat issue? The green light on the charger and battery flash for hours without charging the battery. 40v ryobi trimmer: Depressing trigger does not cause trimmer head to turn and no sound. after trying #3 I still have a battery the charger indicates is ready for use, only to get a second of power from the tool you sent. A cordless model is even better; allowing you to drill holes and drive screws without having to switch tools…, As we known, not all batteries perform as promised. thanks! I left it unplugged for a few days and it’s still flashing red & green. Each time I get 30 seconds before it shuts off. ... Shop by Ryobi Lawn Mower Parts. When I test the battery in the trimmer it works for 2 to 5 seconds and then dies??? Has it got dirty terminals perhaps? So if you power off the charger for a while then plug it back in it still flashes red and green? defective battery it charges normally, the green light flashes green until it is fully charged and all the lights on the battery com on when you press the button on the battery. 635. How old is it? My spare battery functions normally in the trimmer and chars fine. Also for: P108. . Rebuilding a Ryobi battery may seem a strenuous and lengthy task, but you will definitely save a greater amount of cash. So repeating this process over and over results in the battery slowly being charged in very small increments each time. If you want to let me know the model number of your tools/battery I can look up a replacement for you. I have another one that charges to 2 notches and I can use if for a bit, but when it dies, it still shows 2 notches. If they can’t be cleaned up sufficiently then you should replace the battery. I have removed the hold down screw but need advice on replacing the post (removal mostly). If I then put it back on the weed eater it will do the same thing. But would certainly be interested in hearing about your results if you try it. The new charger didn’t work! The most common cause for your Ryobi 40V Charger showing flashing red and green lights is that the battery has been over-discharged. I picked it up second hand. Essential Home and Garden provides trustworthy reviews, guides and tips for anything and everything to do with the home and garden. If I forget and leave them in the charger for a day or two they don’t work anymore. I would try a new battery. Then after a couple of minutes it started working and I was able to get finished. If your tools work, then it is a job well done. I picked up one of these units. At all. I have two chargers and three batteries (multiple Ryobi 40 v. Thanks for any suggestions, But neither were plugged in at the time. Just runs a few seconds and shuts off. I pressed the button on the battery to see if It was fully charged and nothing lit up. The battery lights on the battery do not show up at all and when I put it on the charger it goes to green as if the battery is fully charged. This is one of those topics that has experts divided. Nice job saved me the cost a new battery. All opinions are our own we pride ourselves on keeping our articles fair and balanced. How old is the battery? It is a blog dedicated to all polular power tool and accessories including new, best for sale, expert reviews and guides. It doesn’t stay running. It just stopped working this week when i was trimming my grass with the trimmer. 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. It happened to my sister’s weed eater. I’ve already tried your 3rd option & worked for a while, but could I possibly have a bad charger? 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? Assemble the black and orange covers again by putting back the screws. Then i took the battery out and put it back in and still nothing. Pricing last updated on 2021-02-16 at 08:32 / affiliate links – Details, Use an Electric Air Pump as a Compressed Air Alternative, Herbs That Repel Roaches – A Natural Roach Repellent, http://batteryuniversity.com/learn/article/how_to_prime_batteries, https://www.ryobitools.com/outdoor/support/batteries, https://www.ryobitools.com/power-tools/support/contact, Cost effective replacement battery for Ryobi 40v Tools, High quality – meets or exceeds Ryobi’s battery specifications, 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), Compatible with all RYOBI 40-Volt lithium-ion tools and batteries, USB power source for charging your small electronic devices when plugged in, Advanced Charging technology for battery protection and extended life, For use with RYOBI 40-Volt batteries only. I have a brand new battery – never been charged since original purchase at HD on a blower. Have you tried the suggestions in the article? Put it apart and charge each bank with 4.1 Volts. Aaron It COULD be a faulty charger? Just like everything else, a battery would soon deteriorate and lose its function. Have you tried the methods in the article? But it is possible that for some reason the battery has lost all of its charge causing it to enter sleep mode. How to Fix Ryobi Batteries. Glad we could be of help Be sure to sign up to our newsletter here! when I disassembled them all but one had some blue green corrosion on both the top and bottom of several connection points on the board. I jumped from the good battery charging terminals, to the defective battery +- terminals (with a spark!). Bought new batteries, same result. Problem solved. Hi, Aaron! Still doesn’t make sense logically – but am going with their recommendation to replace battery. I have a issue with one of my 40 volt Ryobi Batteries. The Ryobi charger is designed to charge only lithium-ion and nickel-cadmium batteries. Re-insert the battery into the charger again and repeat steps 2-3. In most cases, they do, but you ought to make sure that it won’t take too much time and that a full capacity is achieved after every charging. Yes it is possible to replace the battery, I’m trying not to because of the expense. Again, the battery mail takes charge, but will not work. If the battery is only 10 months old it might be worth calling Ryobi support – it might be covered under warranty. Do you have any other batteries that work in that charger? I used it one time in my trimmer and charged it. Excellent article. I put a multi meter on the + and – terminals on my 40v charger and it is only putting out 26ish volts. when i went to charge it, my charger light is green but the cells on the battery do not light up. You need to work out if it is the charger of the battery that is playing up. Any advice? I don’t get any lights on battery or charger when I plug them in. Use a second healthy, fully charged battery of the same voltage and connect the terminals matching polarity (positive-positive, negative-negative) using wires and leave them connected for a few minutes. You could try testing the output voltage with a multimeter to see if there is voltage present. Stop the engine and disconnect the spark plug (if using a RYOBI Gas Power Head); remove the battery (if using the RYOBI 40V Power Head). Previously, are used it in the weedeater and the weedeater got hot. Hi, Push in the silver button located on the attachment shaft. I used option #3 to fix my battery’s sleep mode. I’m also unable to use it. I attach battery and it blinks red three times, then blinks green three times, then solid red, then no lights whatsoever. Sounds like either the battery or the charger has a fault. my Ryobi trimmer stopped working after the string coiled up twice, jamming in between. Thank you so much. Hi John. So I tested, ohmed the wiring, switch, and motor of the trimmer with all components testing good. I would say its likely that it is a dead battery. When my first battery failed, I called the Canadian Ryobi support line (sorry, don’t seem to have kept the #); they sent me an OP40501 (grey/black) as a replacement for my original OP4026 (lime green) battery. BTW this problem was not present last season it started this year. Hi Ken, So none of your 3 batteries are working? I can look into it for you. What does this mean? Also, no questions asked. Thank you thank you thank you! I think it is easy to modify inside charger (a resistance value or something else), to reduce output power. Tell them your problem, and ask them if you can see and try the battery removal process for each model. after trying fix option 3 my charger is flashing red and green without the battery. You have to make sure that the entire procedure gives off good results. Battery had 12.5V. Hi! + to T1 = 39.9 volts If it is exceptionally cold where you usually store/charge your batteries, bring them inside and let them warm up to room temperature and then try charging them again. On the top you can get to it to remove but there are several rather large solder connections that you will have to unsolder in order to get remove the board to get to the bottom of it. Thanks. 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.
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