All batteries were only a few months old and the charger less then a year old. Remember polarity of batteries as lithium ion will blow up if reverse charged. Or even a faulty battery. Hi Aaron, my 40V battery was working fine and then i dropped it about two feet on the pavement. This could be a tricky one to diagnose. You should be seeing readings of at least 7 volts. Find helpful customer reviews and review ratings for Ryobi OP4026A Genuine OEM 40V High-Capacity Lithium Ion Battery w/ Onboard Fuel Gauge at Amazon.com. The first one showed as faulty on the charger. I tried the solution #3, out & in for 30 minutes, but the red & green lights keep flashing. Contacted Ryobi. Initially, it had 40 volts across the terminals, and would not power a trimmer, so I assumed the trimmer was bad and replaced it. its not the charger because i have another battery and it charges fine. Glad we could be of help 🙂 Be sure to sign up to our newsletter here! Thanks for the article. 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 Josh, How old is it? On my mower, the bolt the handle swivels on was loose enough that the switch would vibrate so that the mower thought the handle wasn’t properly positioned for safe operation. So let me ask you, if my battery is dead, is there no other way to bring it back to life, short of re-building the parts, which I have no knowledge of? Maybe someone else can help out if they read this. A few days ago I tried to charge one of the batteries and it would not take a charge, thinking it might be too low,due to being cold, I sat it in the house near the register and left it for an hour. Note that the bad one will not work in our 40 volt hedge trimmer, but does operate in the 40 volt blower. Go to Youtube and search “Ryobi lawnmower shuts off fix”. Just bought a Ryobi 40v cordless hedger. I put the battery on the charger and it lights up steady green. Hi Victor, it’s hard to say but it could be a charger issue? Hi, Aaron! Any idea’s. I have a battery ryobi trimmer with attachments. I picked up one of these units. I just pulled out my 10 month old 40v battery lawn mower (April now). Have you got a multimeter to test the battery voltage? Seems to indicate a faulty battery then 🙂, I have the same issue as John. The voltage on the battery only reads 27volts from the + to the – terminal on the battery. 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. Thanks for any suggestions, I want to charge my battery using an inverter and small solar panel. Any suggestions? Hi fellow green tool owners. battery charger green light stays on with battery in dock. Yep, certainly sounds like a battery that needs replacing. Once you have reached the allotted charging time, simply plug the battery back in and away you go! That is even with the battery in and the triggers engaged, it was unresponsive. I’m going to try your recovery method (they’re Li ion, so the procedure should be the same) but I was I have a bit of a problem. The green light on the charger and battery flash for hours without charging the battery. I did take about 30 minutes, (a little less), but it did. I don’t think it’s charging because the “charged” light has not come on and it’s been on for several hours. All RYOBI 40 Volt batteries come with an on-board fuel gauge to display remaining runtime. As with any DIY fix with cordless tool batteries – it does have some dangers involved. 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 also experienced a battery failure, under warranty, and Ryobi shipped a replacement battery and charger. CDN$ 51.54 shipping. When I go to use it it runs around high speed for a few seconds and then completely stops. We’re going to walk you through different ways to wake your battery up! Put it apart and charge each bank with 4.1 Volts. Two of the batteries have solid green on the first of four lights and flash on the second. Overtime these can become dirty and clogged. Put battery in mower and will operate for 10-15 minutes. Hi Sherm thanks for the comment. So I grabbed the batter from the weed whacker and the drill didn’t work either. I press and hold the “?” Button on my battery, all four lights flash twice, pause, then flash twice again. The only thing that I can think of is that you have accidentally bumped one of the contacts out of place? Is there any reason that you can’t replace the battery? Hi Bill, if your batteries are too hot or cold then they may not take charge until the temperature normalizes. The weed whacker is older than the drill, the drill is not even a year since I bought it. I left it in for a couple hours and still nothing. Aaron So, Aaron. Posted by 2 months ago. my Ryobi trimmer stopped working after the string coiled up twice, jamming in between. Has the battery lost capacity? Close. Do I have a faulty battery?, faulty charger? Or what is the actual “key” do doing step 3? After 4 minutes I put it in the good charger and it fully charged! Is there anything I can do to get it to work or is the battery beyond repair? Good evening. Hi Ken, You were right. Sometimes getting to the actual terminals can be difficult due to them being recessed, if this is the case you will need to try different tools or items to reach them for cleaning purposes. Did you try the any of the methods listed in the article? 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. I then checked voltages of the battery as follows: One green light. I am equally unsure why the battery initially showed 100% with 40 volts across the terminals, but now only has 19 volts and still shows 100%. Or does it have to be discarded at this point? I have an Ryobi 40 volt string trimmer that is 5 years .code CS1305. The battery was dead when I got it so I put it on charge. You need to work out if it is the charger of the battery that is playing up. The crystals limit the amount of charge the battery will take, essentially "remembering" its previous charge level and preventing the battery from charging fully. If you are interested, you can read more technical details about “priming” batteries here: http://batteryuniversity.com/learn/article/how_to_prime_batteries. This results in an effect known as battery memory. A reasonable shown voltage can be a over-discharge battery. That could be a number of things – maybe there is still some string jammed in it? Are you using the bag? Seems like a memory issue. Try using a star bit to tighten up the handle connection. same experience. We solved this by having one person depress the button and pull, while another person pushes the battery out. When not under load the battery reads 38 volts once again. When I test the battery in the trimmer it works for 2 to 5 seconds and then dies??? I tried in another charger but it did the same thing. Again 15 seconds of charge. It just stopped working this week when i was trimming my grass with the trimmer. Eventually, this results in enough charge for the battery charger to resume normal charging operation. 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. So here I am 2 months later, the new charger is doing the same thing (SOLID RED) which is the indicator for “defective”. Dear Lord, thank you thank you thank you thank you thank you for these tips! They seem to be ok if I take the batteries out right after they are fully charged. They have always been kept inside. battery reads 18v dc across terminals. I havent currently got any of the devices here to check how they work at the moment. There is a good site here at battery university that covers a few details that might help you. still not working, any suggestions? Fix option 1 does not show underneath the 40 volt batteries the positive and negative wires hook up. If you have one, it is a very quick way of determining if your battery or charger is faulty. Thanks. I then tried to put it back into the charger and it goes straight to solid green. What could be the problem ? 40v. Sounds like a faulty battery to me. Ive got red/green on two 36V Ryobi batteries. About a month ago I jumped into the 40v pool with the brushless expand-it trimmer. Thank you very much! The problem is that It cuts off when I first start the thing. Instead of throwing it out the first thing you need to do is give is micro charges, all you’re going to do is plug the battery into its slot for a few second and then take it out. 26. Here we uncover the most common battery issues. If this is the case, don’t panic, simply find your nearest Ryobi distributor. I had a similar issue. wondering if you know if the 36V tools will support a 40V battery. Here are the most common issues faced by Ryobi owners and 5 ways to fix them before you have to hand over your hard-earned cash. Ryobi OP40261 40V 2.6Ah Lithium Ion Battery w/Fuel Gauge. Runs mower for 15 seconds. The problem is that the battery is completely dead. If you aren’t seeing this, then your battery is in sleep mode. Also I need to reduce that charging power (currently 80W – even 300W on fast charger not to modify). One of the common issues that you can encounter when using Ryobi cordless tools is the Ryobi 40v battery not charging problem. My battery has worked great for about 5 years—this year however, I noticed that neither the charger or battery are lighting up when I attach the battery to the charger. 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. You can see the lights, you know it has power, it just doesn’t want to give it to you. Thanks for the feedback Neil. Should I keep trying to slide it in & out of the charger until the charger recoginizes the battery? Does the battery go flat when the mower cuts out? This will pull off all the dirt and grease that is blocking the ports. Do I just leave the battery in the charger all the time? 90-day money back and a 12 months limited warranty! Batteries lose charge in time, and also replacing them could be costly. Greenworks and Ryobi both sell identical 16" mowers powered by 40V Li-Ion batteries. This is where you can’t wake the battery up to be able to get it to work. Same here and it’s a relatively new battery. Get it by Tuesday, Dec 29. once you get the rhythm it goes pretty quick. I don’t get any lights on battery or charger when I plug them in. How old are the batteries? Ryobi 40V battery charger Flashing Red and Green If your battery is showing red and green flashing lights, don’t panic! It is certainly sounding like you have a dead battery Alan, which unfortunately means replacing it. A problem occurs when you use it till its empty of charge, then let it sit for some months. Its probably a dead battery. Dirt on the terminals can be removed with a wire brush or an alcohol-soaked wipe. It charges according to the the charger lights. does this mean it is stuffed? Praise the Lord! Now a week later when the battery is placed in the charger the light stays solid green and never flashes. Thanks. Do you have a multimeter so you can see what the voltage the battery is at? I left them in the charger several hours just to see if the lights were incorrect but the voltage stayed around 19. Don’t do this if not comfortable with electronic. How old is it? Get them fixed under warranty! I only get 21 Volts at the output. Unfortunately, if fix 3 isn’t working for you then you may just have a dead battery. Ryobi claims that one of these batteries can last longer than 6,000 AA batteries. When you connect it to a power source there’s 2-3 seconds of charging before it says “stop, I’m asleep!”. It is most likely a battery that needs replacing. One of my Ryobi 40v lawnmower batteries only works until it is half discharged. Is there a way on the charger to bypass the sleep check function? In our home, the highest DC supply I could find was 18V. Just trying to find a quick fix, so I don’t have to purchase a new or used battery! Has anyone experienced this? $164.95. 40v ryobi trimmer: Depressing trigger does not cause trimmer head to turn and no sound. So I tested, ohmed the wiring, switch, and motor of the trimmer with all components testing good. Sorry – no way to fix it that I know of. Have a trimmer. In theory the batteries should be fine to sit in the charger. The model number and date code can be found on the data plate located on the bottom of the charger. I tried option 2 (power supply) to the + and – terminals but no current flows. It can be infuriating, and a lot of people don’t realise that you might actually be able to fix them without having to spend money. Hi Tom, I am not sure sorry. I release the bar, push the start button and it starts up again. This year I have one battery that won’t work in the mower despite showing its fully charged by the tester. It charged all the way up before giving me the red/green flashing lights. 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? How old is it? If you aren’t in too much of a rush and are looking to save some cash, then consider purchasing from a reputable online store such as Amazon. Hi Aaron, Well each time you insert the battery into the charger, it gives it a small amount of charge before detecting the battery as sleeping. Amazon has other batteries such as Ryobi OP4030, or Lasica OP4050A. I take no responsibility for take risks with lithium batteries . I want to replace them. It sounds like it could be a heat issue? help. Ryobi also states that their 4V battery will last for around 2,000 full charges before becoming defective. When it is under load on my leaf blower the battery quickly reads below 10 volts. I’m hoping that a charge cycle will reset it and if not I’ll try something else. The battery doesn’t charge nor does it work in the trimmer. I have a 40 v mower with 2 batteries about 4 yrs. There are two ways to try and wake up a sleeping battery. Battery & Charger Warranty: All RYOBI 40V Lithium-Ion Outdoor Batteries and Chargers are covered by a 3-Year Limited Warranty. This 6.0 Ah battery gets 3X more runtime than the RYOBI 40V 2.0 Ah Compact Battery, while delivering the same fade-free power and performance. I would guess its likely the battery though. I’ve got the blinking red green issue. Thank you! Sometimes, it can be hard to keep the temperature of a battery constant, especially if it has been kept outside in your shed. Let me know the model number of your unit and battery here and I can find you a suitable replacement. Sorry I can’t be more specific but it’s hard to tell without testing a few things. It is possible (but not likely) that the motor could have burned out. First thing I would do is clean the terminals on the battery and the charger. When I took the battery apart and measured on the board from the CL1- soldered connection to the Bat+ terminal connection on the board, I measure 41volts. Matter of fact, the OP40501 is 5.0aH, so it’s 20% better than the original. I have had to replace my battery ( 40 volt lithium Ryobi ) three times luckily through warranty. hank you. I have a 36v 2.6ah Ryobi battery. Comply with FCC RoHS and CE security testing standards, If you have any questions, please feel free to contact us. Are the terminals dirty? There are ways to attempt to fix this problem; take a look at the possible fixes below. If you press the charge indicator on the battery (? Plug the charger in and use your multi metre as directed, you should get a reading of at least 18v, anything below this signals a faulty charger. When I use a voltmeter the charged battery reads approx 38 volts. My 40v batteries fuel gauge stopped working a week or so ago. Thankx again you are doing a great job The Milwaukee had been dead for at least a year and wouldn’t take charge but now its perfectly fine! Is it possible the battery is frozen inside, & won’t budge? Not only did option 3 work for me on my 40V Ryobi but it also worked on my 18V milwaukee red lithium! Ryobi Power Tool Battery Packs also Recalled in February 2013. 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. Remove battery, check lights. my battery is a 2016 battery and it will not charge. Learn more... Cordless power tools are possibly one of the greatest inventions out there. Still showing full charge. The entire unit, battery and weed eater are both in exceptional condition. Learn More Register Product. I had a similar issue. Some people say that you dont need to condition Li-Ion batteries, others say you do.

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