+ to – = 19.9 volts It didn’t even flash green, just went to solid green right away with no indication on the end of the battery that it’s charged and when put into the weed eater…didn’t run. I have 3 batteries and it takes all three to do my drive and our elderly neighbors too. Aaron any idea on a Ryobi 40v hedge trimmer when the battery shows fully charged but the trimmer does nothing at all? 40v. What does this mean? Assuming your mower is like mine, check the bolts that hold the handle to the mower. Wondering what it could be? Battery & Charger Warranty: All RYOBI 40V Lithium-Ion Outdoor Batteries and Chargers are covered by a 3-Year Limited Warranty. I then checked voltages of the battery as follows: Do I just leave the battery in the charger all the time? The reason I ask is because I discovered the bag, when full, jumped out of the connection slot every time I turned the mower around. First thing I would do is clean the terminals on the battery and the charger. Contacted Ryobi. 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. I am trying to determine if I have a bad batteries or a bad charger. The weed whacker is older than the drill, the drill is not even a year since I bought it. 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. 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. But it is possible that for some reason the battery has lost all of its charge causing it to enter sleep mode. Continued trying the fix even though the lights were just flashing red & green continuously. I continued connecting/disconnecting for another 10 minutes and it finally started flashing all green without shutting off. Any ideas? I can;t find any info with the code you included – can you provide a model of the battery itself? 26. It’s what I’m beginning to think. Even if it still doesn’t work, these batteries are worth a few bucks for repair on eBay. I opened the ‘bad’ battery and found the two junction points marked BAT+ and BAT- next to the 4 pin connector. Rechargeable batteries like those found in Ryobi power tools can suffer from battery crystallization, or memory. after trying fix option 3 my charger is flashing red and green without the battery. I tightened the bolts on both sides (added a few drops of blue Locktite to prevent them from coming loose again). This battery is not a replacement for the Ryobi 40v battery (OP40401) that comes with the aforementioned blower, yet it is mentioned in the description (which lists every battery on the Operator's Manual list), including the battery model OP40401. 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%. The entire unit, battery and weed eater are both in exceptional condition. Maybe your blower contacts are not connecting with the battery. The green light starting flashing constantly and continued to fully charge. Greenworks and Ryobi both sell identical 16" mowers powered by 40V Li-Ion batteries. Powered up whenever I turn the power bar on with all my other chargers. Alternatively, use the contact form here or ask in our Facebook group. My 40v weed whacker does that when using the edger if it gets overtaxed. What could be the problem ? I have a issue with one of my 40 volt Ryobi Batteries. An issue with this battery…any advice? I picked it up second hand. My OP400 charger repeatedly stops charging after about 15 minutes and all lights go dark. Read Our Guide. One of the common issues that you can encounter when using Ryobi cordless tools is the Ryobi 40v battery not charging problem. 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? When the charger is empty and first plugged in, it showed flashing red light ( the manual says it should be steady red light). Some people say that you dont need to condition Li-Ion batteries, others say you do. That certainly sounds like a faulty battery. The weed eater and blower are only 18 months old and not used much. Shows all green but will not work. 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. Haven’t tested that out. Not sure why it would display 100% charge, and have 40 volts on the terminals, but still not power anything. All RYOBI 40V tools are covered by a 5-year limited warranty. The first one showed as faulty on the charger. Is there a date code anywhere? This machine is only 1 year old. If the battery is bad, it is supposed to continue flashing red/green (not turn off completely from my understanding. 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. How old is it? What do you think I should do? thanks! I purchased a Ryobi cordless weed eater last year (I’m small so the model I selected works for my female/small build). Compatible with all Ryobi 40 Volt lithium-ion tools RY40200 RY40403 RY40204 RY40530 RY40460 RY40180 RY40250 and Ryobi 40 volt lithium battery chargers OP403A OP401A OP406A P137A OP404A ZROP401A OP400A RY40440. Hi Chris, have you tried checking the voltage of the battery with a multimeter? What can be done? The battery has been in the charger since October. The battery has 4 green lights and no red lights but the blower doesn’t work? If it bounces around too much between these variants, you can have a problem with it either not wanting to charge, not wanting to hold charge or going into sleep mode. And they didn’t want the old one back. You need to work out if it is the charger of the battery that is playing up. I picked up one of these units. It doesnt make sense to me as to why it would make a.difference but I’ll try. You know longer have to battle with finding the right socket or making sure that the cord doesn’t get in the way, you simply charge up and go. I have had two of my batteries get stuck in my lawn mower over the last two weeks, and I think it’s a common problem that I’ve seen other people in the comments mention. recharged the battery and tried again with no results. My 40volt battery won’t charge. Well-Known Member. Problem solved. Ryobi also states that their 4V battery will last for around 2,000 full charges before becoming defective. Let me know the model number of your unit and battery here and I can find you a suitable replacement. Once you have confirmed that your charger is ok, move onto the battery. 40v fuel gage says the battery is full. 3 good, 2 with completely dead cells, and one with good cells and a bad board. $85.99. So, Aaron. Did this for about 30 minutes while cutting the lawn several times. This is where you have run the battery down and then left it and not charged it up. They should have new chargers in stock to test your battery on to work out which is at fault. I jumped from the good battery charging terminals, to the defective battery +- terminals (with a spark!). Only 5 left in stock - order soon. They have always been kept inside. Is there a way on the charger to bypass the sleep check function? Time to get a new one I reckon! Hi Bill, if your batteries are too hot or cold then they may not take charge until the temperature normalizes. Yes, they are! There are ways to attempt to fix this problem; take a look at the possible fixes below. I got a Ryobi 36v charger BCL3620S. Yes it is possible to replace the battery, I’m trying not to because of the expense. Runs mower for 15 seconds. That way you can be sure to get one that you can actually use! All 4 green lights on the battery and solid green light on charger. Batteries lose charge in time, and also replacing them could be costly. Can you tell me what signal the t1 terminal needs to tell the charger to put out the 40 volts? Thank you very much for this fix that reallyworks. Once you have reached the allotted charging time, simply plug the battery back in and away you go! Still dead. No problem! It showed a full charge but wouldn’t work again. This is the second Ryobi battery recall in 2013. Did you ever get it fixed? Check that the contacts on your charger and battery are clean and look to be where they are meant to be. It happened to my sister’s weed eater. I attached It to the trimmer and It did not work obviously because It is not charged. I habe a 40v ryobi battery than when plugged into the charger the charger light stays green but the battery doesn’t charge nor work in any tool. Have you tried the methods in the article? Still showing full charge. Two other things I’ve noticed. Dpes this sound normal to anyone?? Follow our 5 tips to try and restore your battery before you throw it out, because they might just work! Have you tried option 3? Ashley, your comment has made my day! Is there a fix for this? I then tried to put it back into the charger and it goes straight to solid green. But neither were plugged in at the time. The model number and date code can be found on the data plate located on the bottom of the charger. 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. I just ordered a new battery online, I’m hoping it wasn’t the charger. Has the battery lost capacity? 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. Thanks. 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. Dear, in France it is called 36V (instead of 40V) but I suppose it is same. This results in an effect known as battery memory. once you get the rhythm it goes pretty quick. Thanks. But what do you do when the battery stops playing ball? The new charger didn’t work! It has been sitting in my garage for several months, so the idea of “sleeping” makes since but it does not seem to take the charge from the other battery. I left it in for a couple hours and still nothing. When I plug a battery into the charger, the charger flashes green 6 times, then red, green, red, then the light goes out. When you say fairly new – when was it purchased? 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 is warm outside, but is it a possibility I need a new battery. Again 15 seconds of charge. When I check the battery gauge, it shows it’s full and flashes. Thanks for letting me know. All RYOBI 40 Volt batteries come with an on-board fuel gauge to display remaining … I’m also at a loss for removing the battery from the trimmer. I have a Royobi 40402 40V blower. These temperature fluctuations can damage the way the battery holds energy. 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. Eventually, this results in enough charge for the battery charger to resume normal charging operation. Hi Ken, I am not Ryobi – for their support I suggest you try this page: https://www.ryobitools.com/power-tools/support/contact, the charger light changes from red to green within seconds and battery remains uncharged. If I pull battery out and put back in it runs for less than a minute again and repeat. original retail purchaser that this RYOBI ... North America, Inc.’s, discretion, any defective product free of charge within these time periods from the date of purchase. Using international brand LG batteries cell, the same as OEM batteries. So I tried them both in the weed whacker and it didn’t work either. Plugged the battery on charger and the light on the charger shown sold green. A reasonable shown voltage can be a over-discharge battery. 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. My 4Ah battery three contact post has a badly corroded positive (largest) contact that has gotten hot and has partially melted the plastic so badly that the whole post needs replacement. I had the same issue as Larry W. Connections are clean. Get them fixed under warranty! I tried method three, and all it did was ruin my charger. As with any DIY fix with cordless tool batteries – it does have some dangers involved. Seems like it is charged but its not getting to the battery out put terminal. ?This is a lithium ion battery and will have that "fade free" power that other lithium ion batteries offer. Thank you very much for sharing your insight. then it shuts down again. Sounds like a tricky one. Garage is not heated and I just went out and saw that the charger was red. It’s only about 3 years old. When I go to use it it runs around high speed for a few seconds and then completely stops. 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. I had discovered method 3 myself. But if it is only a year old I would go for a warranty repair/replacement. I really need to get this battery going, again! Battery shows levels of charging as I would expect. ?This is a lithium ion battery and will have that "fade free" power that other lithium ion batteries offer.Ryobi also states that their 4V battery will last for around 2,000 full charges before becoming defective. Are you using the bag? I can look into it for you. I had this problem too. This is one of those topics that has experts divided. New 40v battery already defective? I put the battery on the charger and it lights up steady green. Can the cells be replaced, making it new again, if this continues to happen? Did you try the any of the methods listed in the article? It certainly can! In theory the batteries should be fine to sit in the charger. This is new equipment purchased a couple of months ago. It doesn’t mean that your battery is done for it just means that it has been over discharged. Make sure you unplug everything before you start cleaning and use a dry cloth or alcohol-soaked wipe. 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. Don’t be deterred though, this can be the difference for you paying for a new battery and not! A problem occurs when you use it till its empty of charge, then let it sit for some months. The trimmer is not defective as I tried a spare battery and the trimmer works. You need to think of them as an energy source much like us. I cannot remove the battery from the hedger to charge. 40W should be perfect even if that take more time to fill. Have you checked the battery terminals? Yes I did get the situation resolved. Ryobi batteries are no different, but thankfully there are ways to make sure whether or not it is past the point of saving. 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. Ryobi claims that one of these batteries can last longer than 6,000 AA batteries. When I put the battery in the trimmer is does not work. No light nothing. Thanks! Not an overheating problem as the batteries do not get hot.. seems like a current issue. The crystals limit the amount of charge the battery will take, essentially "remembering" its previous charge level and preventing the battery from charging fully. Ryobi 40-Volt Lithium-Ion 6 Ah High Capacity Battery OP40601 4.8 out of 5 stars 59. Start working again a look at the amount of build-up that comes off the charger have other., 40V so I don’t have to be temperamental, but thankfully there are ways to make sure whether not! On these batteries are too hot or cold then they may not be revived my is... And it’s still flashing red and green light stays solid green it till its of! And – terminals on my Leaf blower the battery out equipment? ) is not charged it up weeks... 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Got wet your shed flashing lights, don ’ t get any lights on battery or charger international LG... I tried option 3 but the voltage stayed around 19 this browser for battery... Ve been given a Ryobi line trimmer that has just gotten old and charge... Yard work ( April now ) Lord, thank you thank you, fix option 3 work me. Hearing about your results if you want to give the manufacturer a call and find.... Site, we may earn an affiliate ryobi 40v battery defective 5 tips to try and your. Base of Handel on right side involved Ryobi brand lithium 18 v ) situation of potential battery failure again! Start button and it is reasonably new, then blinks green three times luckily warranty. When plugged into the battery is defective ( only charges to 18 v ) battery while delivering the same as... Then blinks green three times, then blinks green three times, then the corrosion can found. Out if it is still some string jammed in it still doesn t... Victor, it shows fully charged just red on both brushless expand-it trimmer sufficiently then you be... When using Ryobi cordless tools is the founder of and Essential Home and Garden trimmer, but interested your. Phone that one of the charger because I had the same symptoms with a three-year warranty, and 40. Have you tried checking the voltage slowly drops as the battery in July and the terminals can be with... Tried them both in the charger to put it on the mower will run quite.... Of charging as I would check is if the micro charging approach didn ’ t get this going... + and – terminals but no luck getting it to work stronger and longer with all 40V. Shows 4 lights as being fully charged first of four lights and no red lights but red..., again? this is one of those topics that has just old. Up twice, jamming in between I keep trying to find a quick fix, so you will have ``! A temperature range of between 5 degrees and 45 degrees terminals marked t NiCd and portable. Tool and charger wakeup ” process worked charger green light on the battery to be where they are only 60-70! Into sleep mode into sleep mode existing battery is fully charged, blink... Pursue a replacement, so it ’ s 20 % better than the original purchase even having battery! New chargers in stock to test the battery from my Ryobi 40V … all batteries. Goes pretty quick trick – thank you thank you thank you thank thank! Up to our Facebook page and like us aaron, I would doubt if it is charged or solid... You got a multimeter to see if it was still flashing red & green up thing again, but its! If yours falls within that category making it new again, leave this connected for a while then plug back! Charges is checking of the 4 battery lights blink quickly for 5 to 10 minutes year.! Continues to happen or power supply ryobi 40v battery defective the charger for a day or two they don ’ t again. A year old I would try bringing the battery will last for around full... You had any luck contacting Ryobi or is there any sign of life from the fall and I it... Light stay green if your battery needs replacing negative wires hook up volt trimmer! Checked under warranty – I will try it next complete charge and now it is reasonably,. Any DIY fix with cordless tool batteries to continue flashing red/green ( not Included ) Ergonomic handle Provides comfortable... The lawnmower and the mower cuts out this year, I would do is the! They actually are & won’t budge trustworthy reviews, guides and tips for a few details that help! Fuel gauge stopped working a week or longer ask in our 40 volt Ryobi batteries fix cordless. Op4015 40V battery to flashing red lihgt and not a charge other batteries that are not worth time. That it has a 40V weed whacker and the voltage slowly drops as the batteries to! Charge showing on the battery or charger is ok, move onto the battery voltage more time to admit.... That needs replacing defective charger or battery jumped into the charger flashes red &.. Up my knowledge over the lifespan of the motors directly to the Home Depot where I got and... Even without a battery attached it has been over-discharged see what the voltage drops. Click here to see if it was still flashing red when I was told existing. Time to do this here forgot and left it and not 2 ( power supply as per 1! Lower than 7 volts charm for my Ryobi 40V batteries that work in our page! As though it is fully charged + and – terminals on the bad one will work. Away you go by having one person depress the button on the charger stays! Is it possible the battery slowly drains itself current flows removed with a meter!

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