Thanks. Hi Sharon, Sorry but it does sound more like a charger issue to me. If you wait about a minute it will start working again. Would they work in my mower? The battery doesn’t charge nor does it work in the trimmer. Not sure if the cold has anything to do with it? Good luck! Did you try the any of the methods listed in the article? 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. Also, no questions asked. Not sure why it would display 100% charge, and have 40 volts on the terminals, but still not power anything. It’s showing 19 volts more or less with a volt meter. He likes to spend his spare time with his family, and doing DIY projects in the home and garden. Not really enough info there to help out. I decided to purchase a reconditioned Ryobi Weed Blower from Home Depot that came with the same type of battery and charger for $89.00. So, Aaron. When I plug in my Ryobi 40V Lithium Ion battery charger without the battery attached it has a solid red light. Glad it worked! In my opinion Ryobi 40V cordless tools are some of the best available, although it does seem that the batteries can suffer from numerous problems. I can find a replacement for you if you like. When I check the battery gauge, it shows it’s full and flashes. My Ryobi trimmer/edger stopped working. I have never dropped this drill and it is still in mint condition but I think it would be out of warranty? CDN$ 82.99 CDN$ 82. Hi, Aaron! If the problem is the battery … Here is our list of recommended non-genuine parts: Pricing last updated on 2021-01-11 at 22:42 / affiliate links -Â Details. It charges according to the the charger lights. Let me know the model number of your unit and battery here and I can find you a suitable replacement. I used option #3 to fix my battery’s sleep mode. After I put the battery in, it was still flashing red lihgt and not charging. Thankx again you are doing a great job When you put it on the charger the red and green light flashes on the charger. I spoke to Ryobi who told me that 6 years is over the lifespan of the batteries. ?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. I appreciate your feedback, Aaron. This 4.0 Ah battery gets 2X more runtime than the RYOBI 40V 2.0 Ah Compact Battery while delivering the same fade-free power and performance. It is warm outside, but is it a possibility I need a new battery. In theory the batteries should be fine to sit in the charger. It is fairly new (the other battery works fine). 40v fuel gage says the battery is full. Is this a bad charger and is there a fix? This causes the battery to look as though it is dead and lifeless, but that may not be the case at all. I then tried to put it back into the charger and it goes straight to solid green. I hooked a multimeter to the battery leads and the voltage slowly drops as the battery slowly drains itself. Hi Aaron, my 40V battery was working fine and then i dropped it about two feet on the pavement. A common occurrence? If I then put it back on the weed eater it will do the same thing. Even if it still doesn’t work, these batteries are worth a few bucks for repair on eBay. All RYOBI batteries are covered by a 3-year warranty. More info here. I have a 40 volt Ryobi that displays a 100% charge, but only has 19 volts on the terminals. Backed by a 3-year warranty, there's never been a better time to consider cordless. Alan Brinkman. Option 3 worked for me. 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