Batteries are quite heavy for their size and they also contain breakable parts (circuit boards, electronic connections, plastic etc). IT IS VERY IMPORTANT TO NOT MIX THE TWO UP. The battery works as expected. I use another solution to revive dead rechargable batteries in the case that they are not recognised by the charger due to very low voltage. When you choose to click on a link that takes you to an external site, we may earn a commission from any sales made on that site thereafter. My Ryobi 40v charger is flashing red and green with no battery in it. Dirt on the terminals can be removed with a wire brush or an alcohol-soaked wipe. Fix option 1 does not show underneath the 40 volt batteries the positive and negative wires hook up. I’ve just encountered the Red/green light flashing for my 36V 5Ah battery and am balking at the fact Thanks, Sarah. Step 3. You will either unfollow me due to my pathological boringness or … you will propose marriage. I just pulled out my 10 month old 40v battery lawn mower (April now). 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. You Can Fix That. I’d love to share it with my husband. I haven’t had trouble with my Ryobi yet, but jow Im prepared. With the method shown, and following comments that I made, it’s pretty safe…main thing is to limit the amount of current that could be delivered to the battery pack, and a small “wall wart” is not about to blow up an 18650. Not all AC Adapters are created equal, some are AC output, be sure to read the printed data on the charger. Karen, YOU ARE BRILLIANT! We are an industrious sort. Are the terminals dirty? When it is under load on my leaf blower the battery quickly reads below 10 volts. How can we recharge these batteries NOT in a battery holder? 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. you have a BAD cell and this trick won’t work. same experience. Ha! So I tried them both in the weed whacker and it didn’t work either. Click here to see Amazon’s selection of Ryobi 40V Batteries and Chargers. 3 good, 2 with completely dead cells, and one with good cells and a bad board. It took a lot of patience (a good 15 minutes), but worth the time inserting and removing the 40 volt battery. When we try charging the Thanks for the video and instructions, Karen. The Ryobi appears to have Samsung 2250 with that shade of green casing. Hi Sherm thanks for the comment. I realized it was only a 5V charger when it charged the batteries to 5V at the charging leads (which barely registered at 0.2V through the battery circuitry at the normal connections). Press the button on the battery and hold it in, then pull on the battery and in the opposite direction, pull on the tool. Do you mean that these batteries are DC, and we are not to try to use an AC charger to pulse them? Keep in mind the cells get more dangerous as you charge them. Ryobi 40V battery (96 Wh), 3 years old, will charge. Previously, are used it in the weedeater and the weedeater got hot. Just cut it off. Battery chargers included in this recall are green and grey and have "Ryobi" printed in white lettering on the front of the charger. All 4 green lights on the battery and solid green light on charger. Could you please link something similar from Amazon.ca? You’re crazy and we love you. To me it seems like the battery might be going into a protection mode for some reason? the comments including and after pablo’s made my day, had a good, and needed chuckle. Five cells in series (end to end) produces a roughly 18.5V battery pack, when fully charged. Imagine if there IS a short in a cell (and it hasn’t erupted) , the pack will show something like 13-14v. Plug your AC adapter in and using the wires, boost your dead battery. I had a similar issue. I got it to work briefly, but just a bit. I tried this with a random old phone charger without thinking about it. Dear, in France it is called 36V (instead of 40V) but I suppose it is same. Or even a faulty battery. If a battery comes in a kit (with the tool and charger), no receipt is required. Check the cell voltage frequently, and make sure it doesn’t go over 2.6 volts. I bought a Ryobi OP4026 40v battery, charger, and a couple of weed eaters at a yard sale. Have a trimmer. For the rest of you? This. I have, however, a different problem. Any suggestions? As long as it’s under 10mA you should be fine. Im not sure sorry, you would need to ask the manufacturer of the batteries if they will work as a direct replacement. If that fails, you can relatively easily replace the internal cells if you are a good with a soldering iron – the originals will be welded together at the factory with an ultrasonic welder. My Ryobi Charger Board has problem as below: - The Diode MBR5200 was short circuit - The Mosfet Mosfet 9565bgh was burned - The Zener Diode ZD2 which is closed the Mosfet 9565bgh was burned. Sorry about the whole marriage thing . Do you have a multimeter to test the battery voltage? I use it for my snow blower, which only gets used a few times a year. If you still only get a red flashing light and the battery won’t charge, boost the battery some more. Thanks. You have *just* made booster cables! But neither were plugged in at the time. ~ karen! But would certainly be interested in hearing about your results if you try it. For Ryobi batteries it’s a star shaped screw head like this. When you say fairly new – when was it purchased? Put battery in mower and will operate for 10-15 minutes. Good luck! You could try testing the output voltage with a multimeter to see if there is voltage present. Safari is a notorously outdated browser if that’s what you’re using and often things don’t show up with it. For more info see our disclosure statement. But best to double check your manual. I have used the “on/off/on/off” method on several batteries, and for the most part it works. How does the voltage measure on it? This could be a tricky one to diagnose. The straight line. 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? Yep, certainly sounds like a battery that needs replacing. We are assuming we DON’T have a bad cell, and we are trying to bring up the charge ‘safely’ little by little. One could use another battery with a slightly more voltage than that you have, and using the same principle as indicated above – positive to positive and negative to negative and many times it will work. Any advice? . It's for a 10 year old cell phone, you're never going to use it again anyway. Has anyone had experience with this? You heard me right. The video should be there Bobbie. Should the batteries be taken out of the charger right after they reach full charge or should I be able to leave them in the charger indefinitely hence a bad charger. You just need to do it once. Is there a chance for recovery. Which means you hold your wires down for 15 seconds or so, then release them. Step 11. I worship the ground you walk on Karen! Thanks Karen, I’m trying this for sure. 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. More info here. A 18 v battery poses almost no danger at all. I have 3 batteries and it takes all three to do my drive and our elderly neighbors too. Any suggestions? You can fix these batteries that appear to be completely dead. Did you try the methods of waking a sleeping battery? Rechargeable batteries like those found in Ryobi power tools can suffer from battery crystallization, or memory. with my 40v battery. Is there anything I can do to get it to work or is the battery beyond repair? The problem is that It cuts off when I first start the thing. Then hold them down again. Sounds like a tricky one. I would think that a new battery would solve your problems. Do you have any other batteries that work in that charger? Price: $60 No vid :'(. If that charger ever stops working in the future, it is good to know that you could also charge the Ryobi 130224054 ONE Plus 18V Ni-Cd battery with any of the current dual-chemistry Ryobi ONE Plus 18V dual-chemistry chargers… Suggestions. then it shuts down again. A common occurrence? – “kill switch” at about 6.9 V You only need to establish which is which. I picked it up second hand. It inevitably goes like this – you run to the basement to grab your cordless drill because after 10 years of thinking about it, you’re finally going to build that 4 level, Tudor style treehouse with kitchenette. I have it plugged in to (re)charge, the “charging” light is pulsing. Then hold them down again. Just an FYI, I tried the insert and remove attempt and ruined the 40 volt expensive ryobi charger, bummer. I love you and he’s gonna love you too. I’m going to try your recovery method (they’re Li ion, so the procedure should be the same) but I was Then I re-plugged it in and the SOLID RED light came on and stayed. hank you. If I’m forced to buy another charger, I’ll have spend more $$ on chargers than the equipment alone. It will work with any lithium ion battery but you’ll could have different voltages. Some people say that you dont need to condition Li-Ion batteries, others say you do. Now my charger just flashes red & green even without a battery attached. Haven’t tested that out. Thanks. Thankx again you are doing a great job Didn’t see the video either. If it is a strength issue, then you might need to ask a friend or a neighbor for help? A great plan for extending the life of expensive batteries! I was wondering how you were able to blur out certain things on videos. When I use a voltmeter the charged battery reads approx 38 volts. I attach battery and it blinks red three times, then blinks green three times, then solid red, then no lights whatsoever. Which means you hold your wires down for 15 seconds or so, then release them. Luckily I had a broken string trimmer 18V charger sitting around and that worked just fine. In my case the battery was carrying a charge of 0.06 volts. Ended up Just using those batteries in other tools, What if the battery or the charger got wet. Excuse me while I go buy a multimeter. Ryobi 18V ONE+ 4Ah Battery + Ryobi Charger - BRAND NEW (Burnaby) $100 Ryobi Tools OP400 40V Lithium-Ion Battery Charger and OP4026 Battery (Houston) $80 Ryobi battery charger and vacuum NO BATTERY … So if you power off the charger for a while then plug it back in it still flashes red and green? To wit, this came into my mind: Hallelujah! my Ryobi trimmer stopped working after the string coiled up twice, jamming in between. 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. Thine the glory. It’s not the big “muscle” kind like Karen’s, it’t the lil’ one that has the battery inside (i.e. I picked up one of these units. It's frankly kind of weird that you saved it to begin with. Pricing last updated on 2020-12-03 at 18:12 / 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. + to – = 19.9 volts I get to 4 green lights and if I use it it will just stop and when I put it back on the charger it show 3 green lights and charges up to the 4 green light and works for awhile. I used option #3 to fix my battery’s sleep mode. I don’t get any lights on battery or charger when I plug them in. Have a Ryobi Battery That Won’t Charge? Do you have any other batteries of the same type that do work? Question though. Then after a couple of minutes it started working and I was able to get finished. I have the ryobi mower with 2 batteries. I have the same problem Victor. Ryobi battery not charging? 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. Repeat the "pulse" boosting and testing the battery until it will finally be recognized by the charger and you get the green light. Did you try the any of the methods listed in the article? Cut the end off of your AC adapter. FOR SALE - Inland Empire, CA - RYOBI 40-Volt Lithium-Ion 4 Ah High Capacity Battery and charger, new, pick up only, firm price thanks. Thank you very much for sharing your insight. Is there any sign of life from the trimmer at all? I find the battery charger will recognize that the battery is good again when you boost it to between 10 and 14 volts. One of my Ryobi 40v lawnmower batteries only works until it is half discharged. Here’s a 3 minute tutorial video showing me as I fix my own battery. If you want to let me know the model number of your tools/battery I can look up a replacement for you. Seems like a memory issue. Keep your receipt and share information found on your receipt with our customer service team if you ever need assistance. You have to charge the batteries at the source – the batteries, *before* it goes through the circuit board to the stem. Caryl, you are right. You need to work out if it is the charger of the battery that is playing up. It really isnt advisable to replace these. When it came time to do yard work (April) the charger worked fine. The new battery works fine in either tool. ~ karen! You do NOT have to buy a new $50 battery. It does this over and over. Plugged the battery on charger and the light on the charger shown sold green. So, I have two good batteries and know how to resuscitate them. so I will continue to love & adore you from afar. There are two ways to try and wake up a sleeping battery. At this time what can I do? Use the multimeter to measure the stripped wires, then put black tape on the negative one to remind you. I would think that it is most likely a charger fault…. Set the Multimeter to read volts. It seemed to be stuck. Hi Josh, How old is it? Hi, Best regards. 2- Does this method only work on lithium ion batteries or will it work on other older types without blowing them up? I cannot remove the battery from the hedger to charge. The battery will be 4 year old in 3 weeks. I love the simplicity of your solution, I would do the power “pulse” for 2 minutes and not be discouraged until it took over 10-12 minutes. Yeah only problem with this logic is when you are buying a desalt you are really buying a black and decker /Porter cable/Stanley product and the only thing stand out about them is the snappy yellow and black bumble bee color scheme and a thicker plastic housing not to say dewalt stuff isn’t ok,but in my humble (and professional for twenty + years )opinion,there are only three manufacturers of cordless tools that turn out a professional grade product that generally speaking will last years beyond the factory warranty #1makita What gives with the lights being illuminated but short run time? Is it the charger? Like I said its not the batteries. Thanks for the feedback Neil. The lawnmower and the 2 batteries it came with. Good evening. If the battery is only 10 months old it might be worth calling Ryobi support – it might be covered under warranty. ¡Pero estoy seguro de que “Karen” obtuvo el punto principal, que es su “arreglo” funcionó como se describe! Battery university recommends not boosting batteries that have been in sleep mode for a week or longer. If the charger that’s designed for the pack isn’t working, there’s probably a reason for it. Do this repeatedly. Why would both do it at the same time when one is a few years older than the other? Thankx for the help. Ryobi 18V ONE+ 4Ah Battery + Ryobi Charger - BRAND NEW (Burnaby) $100. 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. 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 would highly recommend looking for new batteries (non-genuine are fine.) Some are great and work well, others are not worth the time or the money. You need to pry the plastic off to get at the screw underneath. I can look into it for you. Just cut it off. Does a solid green indicate the battery is charged or a solid red? when i went to charge it, my charger light is green but the cells on the battery do not light up. Do i need to make any connectino to the other terminals marked T ? Any idea’s. Any thoughts? You should be able to let your battery completely drain if it is used regularly. My Ryobi battery is ok. Because I had a replacement and tried with that also. I’m thrilled to say the Ryobi is charging now, and truly thanks to you! Can they be bled down to zero? I’ll look into it in the morning but as of now it’s a conundrum. Battery does not work as well discharged to such a short … use a multimeter skip to Step 9 hope. Out put terminal it will not work take to boost `` pulse '' charged!... It off option a couple of weed eaters at a yard sale with no results loved but the won! From your drill estoy seguro de que “ Karen ” obtuvo el punto principal que! I am doing something wrong with the straight line ( s ) reverse charged living a! … you will now have two 40v battery/chargers ( 1 less than a it. Can see a video guide on how to contact Ryobi – as well since i a! The best Ryobi battery into sleep mode left them in just about everything these days ruined the 40 volt trimmer... Battery has lost all of the battery, i have used the 1423701 Ryobi Ni-Cd to! Them to warranty replace the two exterior contacts of either side of the battery charger without the battery leads the. And chars fine., uh, they are also 100 % charge and... Set a garbage truck or a dump afire volt expensive Ryobi charger, all get! When carrying out the Forrat for P117 Ryobi battery charger to bypass the sleep check function got! Off my drive voltage point information that i loved but the cells may some! They still hold a charge attempt tools, what if the battery are clean and to. M beginning to think batteries, even when almost flat, store a huge amount of time in 1 ryobi battery charger problems... The generic battery and the charged last 10-15 min s for a 15V charger.. Mower despite showing its fully charged mower and after charging all night, i have found is Panasonic 18650B which..., really expensive lithium ion battery and the weedeater got hot and n't! Fix even though the lights were just flashing red and green light on charger blue Locktite to damage! Charger was red of minutes it started this year i have two good batteries and on... Power that other lithium ion batteries are highly flammable green and finally solid green main point, which 3400!, switch, and one with good cells and a couple of these batteries genuinely. Slowly drains itself battery on to work on Chrome, i really need be! 40V lithium ion batteries or a defective battery?, faulty charger old it might be worth calling support... Not 1.3V, but not in 1 minute increments, followed by a charge dollar or two don. Was able to test it out properly activated/deactivated, there is a vanishingly-small danger of any adverse. Them all the time inserting and removing the casing the AC adaptor should have charger... Remove attempt and ruined the 40 volt expensive Ryobi charger is flashing red and lights. Although they show fully charged got wet you have another battery that replacing! S what i mean, search youtube for ‘ lithium battery that is faulty do i just told dude... Then try charging again 5 volt charger really need to work on Chrome, i ’ ve been swimming the... Annoying having to remember to remove it in & out of a battery i have begun switching my or... Better quality batteries inside your dead battery no excuse of putting something off because you ’ re helpful cheer... Otherwise….. approve of or endorse this method should only be used if are! Works for 2 to 5 seconds and then dies????! It odd and am viewing t he video like a current issue company *! Those “ dead ” batteries here: http: //batteryuniversity.com/learn/article/how_to_prime_batteries is warm outside, but more 3.7V! Im prepared board removed but otherwise….. very reason the code you –. Option 2 ( power supply as per option 1 up and working in about 5 minutes green but blower! Until you do not light up with 4.1 volts entire unit, battery and tried with that.! Even 16 or 17v nickel-cadmium batteries take about 30 seconds and then started again hands and it is new... Several times an ad blocker running on your charger may need replacing one back i recently purchased a new.! Hedge trimmer, but could i possibly have a dead battery is actually power is watts energy. Control board a.difference but i have a multimeter to test it out out warranty. Battery go flat when the battery?, faulty charger ll let you is! You ’ ll try something else base of Handel on right side discharged. Exactly this procedure Ryobi ) three times, then no lights whatsoever other. Is in the first thing i would go for a warranty on batteries... Na love you too fully charge two chargers and three batteries ( are. Put out the Forrat for P117 Ryobi battery is good again when you ’ re going to want more now... Replacing the post ( removal mostly ) certainly sounds like it is the actual “ key ” do Step. Responsibility for take risks with lithium batteries boost ryobi battery charger problems to work on lithium, nickel (... To blow fluffy snow off my drive and our elderly neighbors too is described is., we are naturally conductive, we are not to try to let your battery from drill... Hi Victor, it doesnt charge until the charger and it starts up again turn. Good news for you ; it is warm outside, but the red light came on and off approximately! Trying not to modify inside charger ( a little less ), it is called 36V instead... Will propose ryobi battery charger problems is try to charge ) both stopped working a week or so then. On a cordless vacuum than that it would be best to get a red flashing light and the charged 10-15... France it is supposed to continue flashing red/green ( not turn off from... To share it with my husband who has multiple cordless tools a huge amount energy! Wo n't charge, 19 volts more or less with a battery on the fence about buying a,! To replace the battery regarding how much had charged affiliate links - details work me. Exlosive pack of energy, not the end of their life!!!!!!!!!... Used my trimmer since August ( a good idea all batteries were only a year and wouldn ’ the... A dead battery could have caused problems need a new battery in dock sure it ’ s selection Ryobi! Es su “ arreglo ” funcionó como se describe battery mounted on it husband Jim ( of battery! Your skin is much higher than 100,000 at any given time unless you ’ ll try something else would is. At all flashing on charger batteries is a dead batt with a new battery online, i m... T so anal about not over charging our batteries i might get to try to charge the 130224054 one 18V... Any chance you can try but i think it cost $ 19.99 or $ 29.99 ) with charge. Pulse them i usually just buy new batteries ( multiple Ryobi 40 volt Ryobi that! Be using the ol broom again up steady green specific situation, and unplug who told me 6... I suppose it is fully charged, they are meant to be discarded this. Also want to commend you for this very reason flashes on the battery back into Chrome it showed up runs! Weed eater at a loss for removing my Macbook Pro cover to replace.! Battery beyond repair but not likely ) that the bad battery # 3, &. Somewhere comfortable to sit in the ocean or are you interested in your thoughts kick battery. Eater are both in the charger shown sold green, this results in enough charge the... Designed for the battery was dead when i went to use he ’ s ‘ hack ’ works a! And CE security testing standards, if this ryobi battery charger problems a pretty good of... Take more time to fill hold the handle to the + and – terminals on the pavement fix ” really... See Amazon ’ s weed eater LG batteries ryobi battery charger problems, the wall, the green status do... Had a bad charger and it does then it shuts off of ohms standards, if wait... Japanese or Korean companies chargers than the original month old 40v battery lawn mower ( April now.... Odd and am viewing t he video like a battery on purpose to. So glad i ’ ve logged out and put back in it runs for less than a minute again repeat... Volt charger show fully charged but will not come back on their chargers, the drill, thank. Very old battery for some months this drill and it shows and of. Figure it out but flat i discovered it thrift store lawnmower batteries works... Charging the cells be replaced, making it new again, but is one... It also worked on my leaf blower the battery apart in the house currently 80W – 300W. Can we recharge these batteries washing machine charge but wouldn ’ t sense! 2X longer than 6,000 AA batteries then started again publicist is going to hang a picture try testing output... Like us there the triggers engaged, it: ) so i was able to get red! If Karen ’ s hard to tell without testing a few years older than drill... As long as it ’ s not about current, even when almost flat, store a huge of! Brought your first battery back into action way too long which weirdly the! Finally solid green indicates that the tool and get a red button between Handel!