Hi Sherm thanks for the comment. 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. Yes I did get the situation resolved. I don’t think it’s charging because the “charged” light has not come on and it’s been on for several hours. If you have access to a Pace solder station or something similar you can get the board removed but otherwise…..? The problem is that It cuts off when I first start the thing. Then try charging the battery again – this may be enough to kick the battery back into life. My 40volt battery won’t charge. Praise the Lord! It does this over and over. Sounds very similar to an overheating problem. What could be the problem ? Do I just leave the battery in the charger all the time? I put in on the trimmer and nothing happens at all. This product is covered by a 3-year limited warranty. My 40v weed whacker does that when using the edger if it gets overtaxed. They still hold a charge, but they are now incredibly hard to get into and out of any of my tools or chargers. Works like a charm, lower noise, no gas to pour or spill. If I’m forced to buy another charger, I’ll have spend more $$ on chargers than the equipment alone. I put the battery on and off the charge about 20 times. I had a similar issue. As with any DIY fix with cordless tool batteries – it does have some dangers involved. Thanks. I purchased the generic battery and the mower will run fine for about 30 seconds and then it shuts off. Designed for rapid charging, this battery has a built-in fuel gauge that displays remaining power. I left them in the charger several hours just to see if the lights were incorrect but the voltage stayed around 19. It COULD be a faulty charger? Amazon has the new ones, Otherwise if you are looking to save some money then maybe look for second hand units? I had tried option 3 but the battery still couldn’t charge. May be the switch, just guessing. The air temp is 18 degrees today, so I did not do the warm up thing again, but maybe tomorrow. I have two batteries so have had them hooked together as described for over one hour with no results. I would guess its likely the battery though. Terms and Conditions | Any suggestions? No need for shaking to empty. 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. 4 years is pretty good out of a battery these days! I picked up one of these units. But it is possible that for some reason the battery has lost all of its charge causing it to enter sleep mode. We bought the 40V 20" BRUSHLESS PUSH MOWER WITH 6.0AH BATTERY & CHARGER from THE Home Depot. Please try to let me know if you can! I’ve been given a Ryobi trimmer with a #OP4026 battery. Do I have a faulty battery?, faulty charger? My only regret is that I didn't purchase this mower sooner. I can find a replacement for you if you like. Hi Lynn, Contacted Ryobi. thanks! ... Can I use this with the 40v 6ah battery I got with my Roybi lawnmower? So repeating this process over and over results in the battery slowly being charged in very small increments each time. I purchased a Ryobi cordless weed eater last year (I’m small so the model I selected works for my female/small build). This could be a tricky one to diagnose. I would think that a new battery would solve your problems. I’m stumped here. I have a issue with one of my 40 volt Ryobi Batteries. I tried option 2 (power supply) to the + and – terminals but no current flows. The 40V high-capacity 6Ah lithium-ion battery offers up to 48 minutes of run time before you’ll have to commit to a four-hour charge. A reasonable shown voltage can be a over-discharge battery. Will the repair be covered under the 5-year warranty ? Problem solved. It doesn’t stay running. Have you tried the methods in the article? Things I don’t like,the mulching piece is hard to get in.There are not many things that I don’t like about this mower. My OP400 charger repeatedly stops charging after about 15 minutes and all lights go dark. Hi Victor, it’s hard to say but it could be a charger issue? No previous problems. When placed in either of my devices it will not work. I’ve tried storing the battery away from the drill, and truedleaving it in the drill. Thanks. Stay safe. Why does this work? I bought this Ryobi brushless 40 V 6 AH push mower 3 weeks ago after I let go 3 different people mowers. Filesize: 4.78 MB, RY401011_107204001_921_r_03.pdf Is this a bad charger and is there a fix? 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. that these cost more than the appliance to replace. If you are interested, you can read more technical details about “priming” batteries here: http://batteryuniversity.com/learn/article/how_to_prime_batteries. How old is the battery? Is it the 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? Thanks for letting me know. Im not sure why, but it would seem that the battery is faulty. I’ve just build up my knowledge over the years. Maybe head across to our facebook page and like us there! Unfortunately you probably need to get a new battery. Hi Vincent, Sorry but I am not sure. op. Hi Sharon, Sorry but it does sound more like a charger issue to me. Fantastic, I plugged my battery in and unplugged it 3 times and now it is fully charged. option 3 worked. The first one showed as faulty on the charger. Do you have a multimeter to test the battery voltage? I had same problem with generic batteries in my Ryobi mower, runs for less than a minute and cuts off. Mine seems to be stuck like that at times. The weed whacker is older than the drill, the drill is not even a year since I bought it. Combining 40-Volt Lithium-Ion Battery power with Brushless Technology this mower delivers gas-like power, … If it is reasonably new, then it would be best to get both checked under warranty. 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%. It’s good practice to remove the batteries from the charger – so it could have caused problems. I had discovered method 3 myself. I have a bit of a problem. Again, the battery mail takes charge, but will not work. When I put the battery in the trimmer is does not work. Filesize: 1.31 MB, OP404_140412001_767_trilingual_02.pdf That is usually a sign that the battery has had it. Hi, Aaron! Ryobi 40V battery (96 Wh), 3 years old, will charge. What should I do? This is one of the great benefits of the green works battery. My battery is 4 months old and won’t charge. This machine is only 1 year old. No pull cord to fight with. Any ideas appreciated. since there are no flashing lights, I didn’t think any of the solutions you offered would apply. But if it is only a year old I would go for a warranty repair/replacement. Glad we could be of help Be sure to sign up to our newsletter here! 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. I would doubt if it was used more than once or twice. Alan Brinkman. How old are the batteries? 12V 10MM CORDLESS DRILL 1100mAh NiCAD 3 HOUR CHARGE HCD-12 … It’s hard. Thanks for the article. So, I have two good batteries and know how to resuscitate them. This battery works with all 40V Ryobi equipment. 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