kobalt 40v battery charge time

amzn_assoc_region = "US"; Kobalt 80v Max Power Tools The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". Read next Kobalt 80v vs Ego 56v: Which Tool Batteries are Better? Kobalt 40V Max Battery Charging Issues Thrifty Tool Shed 61K views 3 years ago 13:57 3 yr Review, #KOBALT 40V Mower, Blower, & Weedeater #bestbatterymower Meandering Yogi 16K views 1. The charge gave it enough juice to bypass that circuit because as soon as I plugged it in it started to charge. This battery provides 300-Watt hours of energy (87% more capacity than the 4.0 Ah battery) to deliverer maximum runtime. For 12v batteries, the first charge should be 18 hours, with regular charging at 12 hours. | Gears and Tech Gears and Tech 86K views 11 months ago ElementalMaker 3 years ago How to fix a lithium ion battery that won't. Most of the time, it is pretty easy to isolate these errors. We use cookies to ensure that we give you the best experience on our website. How long does it take to charge a 24 volt Max battery? So, if you wish to narrow down these errors, just check the unit from top to bottom. Kobalt 24v Max Power Tools Amazon.com: Kobalt 40v Battery And Charger A single-point cutting height adjustment means that we only have to bend over once, rather than 4 times to adjust all four wheels. Upgrade! CaliHutt 40V 6.0Ah Replacement Battery for Kobalt 40V MAX 2540C-06 High Capacity Kobalt 24-volt Max 4-Amp-Hours Lithium Power Tool Battery KB 424-03. (KRC 40-06, KRC 60-06). Smart charging capability for all Kobalt 40 Volt lithium ion batteries Charges 2.0 Ah battery in 60 minutes (item: 506882 model: KB 240-06) Charges 2.5 Ah battery in 75 minutes (item: 807419 model: KB 245-06) Charges 3.0 Ah battery in 100 minutes (item: 1191150 model: KB 340-06) Charges 4.0 Ah battery in 120 minutes (item: 506883 model: KB 440-06) Depending on the condition of the unit, you might be able to fix the issue by replacing a few components on the charger. You will need to ensure that the battery is not exposed to direct sunlight or placed near some equipment that can get hot. Long run this is a good move, the ego stuff is better. The cookie is used to store the user consent for the cookies in the category "Performance". That is why you will have to ensure that you are cleaning the terminals on both the charger and battery properly to not face any such issues while trying to charge those batteries. This li-ion battery recharges without a memory effect, and powers all your LYNXX Outdoor Power Equipment. How do I get the blade to turn? This peak voltage also affects the charging time of the batteries, and higher voltage systems usually charge faster. Kobalt 40V Max Battery Charging Issues - YouTube The indicator will display the battery gauge so you can know when you need a full charge. Kobalt is the best option that you will need to go for if you want to have some tools that offer a perfect balance of durability, efficiency, and affordability. This was a replacement for a faulty battery bought elsewhere, but with the same problem. 40V Charger 40V Dual Port Charger -+ -1 In Stock. The Kobalt 40V cordless mower performed similarly, but we found it to be a scaled-down version of our winner, targetting homeowners with a smaller-sized lawn. Whats the Difference Between Master and Journeyman Electricians? This item is only returnable in store. Rather than using a pressure-sensitive throttle, the Kobalt 40V mower opts for an adjustable lever throttle. Battery charging can take as little as 60 minutes for each Kobalt 40v 2.0Ah battery, 70 minutes for 2.5Ah, 80 minutes for 3.0Ah, 100 minutes for 4.0Ah, and 120 minutes for 5.0Ah. Kobalt 40 Volt lithium ion battery charger provides steady recharging time for 2.0 Ah, 2.5 Ah, 4.0 Ah, and 5.0 Ah Kobalt lithium ion high powered batteries. Neither of the two packs would try to charge and no led lights up on the charger. The yard Im looking at takes 20m to mow. The charging of a battery is fast and it is affordable. Similarly, you can also try out a different outlet to confirm your suspicion about the power status from the main source. Kobalt 40-V Lithium-Ion Battery - 6 Amps | RONA So if you are mowing and you run out of juice, you don't need to wait around. (Explained). While all of that power might is welcome, if it costs you in a big way with your runtime, is it worth it? We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. $8.99 to $109.99. HookedOnTool.com is a participant of the Amazon Services LLC Associates Program, an affiliate advertising program it is designed to provide an aid for the websites in earning an advertisement fee by means of advertising and linking to Amazon.com products. So, lets compare the Kobalt 40v vs 80v, and choose which is better. The battery prevents overheating, overcharging, and overloading. With 30 minutes of power and 30 minutes to charge, you get to take a break from your work for coffee. It comes with an excellent operational time. Got a new one and it works in both chargers. Certainly, this is fast enough to get through a maintenance cut easily enough, but it was one of the slower models we tested. KOBALT KRC 40-06 MANUAL Pdf Download | ManualsLib The charger goes on the charger fine and blinks green, then after 15-20 mins it switches to blinking red. Kobalt 40-Volt Lithium Ion (li-ion) Charger - Lowe's Kobalt 40v tends to have seasonal stock and annual clearances but was not part of the deal and should be at less risk of being discontinued. Lastly, there is no harm in cleaning the terminals to isolate these issues. Hopefully, it will provide you with tools with optimal performance. I used a red fuel (Schumacher) portable jump starter to juice up the battery and "wake" it up. 3 year limited battery warranty. It must have been unused too long in the first place. No lights, nothing. It worked once and then will not charge. The terminals are not that hard to fix, and you just have to reach out to an expert. So, youll have to isolate these issues by thoroughly inspecting the unit for hardware damage. Thats pretty good company to keep. amzn_assoc_search_bar = "true"; Kobalt: 40V, 80V (All Lowes only) Snapper: 60V (Walmart only, discontinued? The Kobalt 40v comes with capacities 2Ah, 2.5Ah, 3Ah, 4Ah, and 5Ah. This cookie is set by GDPR Cookie Consent plugin. That time will drop considerably if youre working with an overgrown lawn. It comes with a reliable onboard indicator and battery life. Check to see if your outlet is working first, or try another one. A place to discuss all things related to Kobalt tools. . Best and Worst Battery-Powered Lawn Mowers - Consumer Reports The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. (Explained), 8 Reasons Why Bauer Battery Charger Blinking Red And Green, Porter Cable 18V Battery Charger Blinking Fast (10 Fixes), Chicago Electric Chainsaw Sharpener Review, 3 Methods To Resolve Chainsaw Not Cutting Just Burning Wood. We also use third-party cookies that help us analyze and understand how you use this website. Copyright 2008-2023 Pro Tool Reviews, LLC. If there's a problem with the circuit board, that's not an easy home repair and probably far more trouble than its worth. That should be enough to help with the charging errors. Some mowers get loosey-goosey with a single-point system. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. The Kobalt 80V battery pack is a beast in both size and power, lasts only a short time but charges quickly. 5 How long does it take to charge a Kobalt power tool battery? Youre not alone and our team [], John Deere Lawn Tractors Present a Range of Mowing Options Following an update to their John Deere zero-turn mowers, John [], The Skil 40V Blower Appeals to the Homeowner With Its Blend of Performance and Value The Skil PWRCore40 lineup fully [], Greenworks Commercials 82V 30-Inch Lawn Mower Is The Brands Largest Walk-Behind Yet Greenworks Commercial has put the pedal to the []. Someone here is going to try to help you fix it when it's busted. All you have to do is to explain the issue with the system, and the official support will start their verification routine. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". If you are lucky, the fix might be as simple as removing the battery and then installing it one more time. The battery also comes with good cycle performance and a convenient life span. The charger goes on the charger fine and blinks green, then after 15-20 mins it switches to blinking red. Whats even better, with mowers running at this sound pressure level, you can likely run your mower early in the morning or later at night without disturbing your neighbors. You also have the option to opt-out of these cookies. This Kobalt 40 V battery is also covered by a 3-year limited warranty. It must have been unused too long in the first place. These batteries will need a charger for charging. A fully charged 5.0 Ah battery powers the Kobalt 80V Push Mower for up to 80 minutes of operation. How to Care for Rechargeable Cordless Tool Batteries That should be more than enough to help you through these errors. This cookie is set by GDPR Cookie Consent plugin. The Kobalt 40-Volt Max 4.0-Ah Quick Charge battery provides more power and runtime, so you can get the job done fast. . These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. Questions and Answers: Greenworks 80 Volt 4.0Ah Battery (Charger not You cant do much about a damaged unit except get it replaced. 2-2.5x the cost. These cookies track visitors across websites and collect information to provide customized ads. Kobalt Battery Charging (80v) - YouTube 0:00 / 1:50 Kobalt Battery Charging (80v) George Price 4.48K subscribers Subscribe 173 42K views 4 years ago PENDLETON If you have problems. Offers, prices, and product . 3-YEAR LIMITED WARRANTY This Kobalt battery is warranted to the original purchaser from the original purchase date for three (3) years subject to the warranty coverage described herein. We do end up getting one of the two batteries to charge and we see a great example of why you should not boost a pack up to charge without knowing whats inside. When the battery pack or the charger is defective out of the box, you will have to get a replacement. . You may be able to "jump start" the battery either by connecting a second not dead battery directly via the terminals, or using some other means of charging at the proper voltage. $10.61 shipping. I wish that my neighbor who believes that 6:45 on a Saturday morning is an appropriate time to start mowing would hop on the cordless train. $39.99. Kobalt seems to excel at making a quiet mower. amzn_assoc_placement = "adunit0"; The 80V model, with its super run time, power, and low sound levels, wound up winning the whole thing for the cordless self-propelled category. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. I have a brand new Kobalt lawnmower & weed whipper, I assembled it yesterday. Kobalt Hand Tools Use only Kobalt 40-volt charger. The Kobalt 40V mower's 8th-place finish is a bit of an unflattering result. amzn_assoc_ad_mode = "manual"; It features a 5.5 time runtime than a standard 2.0Ah compact battery. You wont be able to work with a damaged piece if the issue persists over the long run. The Kobalt 40v and the Kobalt 80v are both excellent Kobalt batteries but after considering all their features we decided to choose the Kobalt 80v as the better battery. Andwe'll even send you our "Best Tools for Your Hard-earned Dollars" white paper! This issue with the battery can always present itself when you completely drain out the battery. For this reason, we suggest that you adjust the response from the device accordingly by claiming the warranty. The result is an easy-to-use, set-it-and-forget approach to self-propelled drives. These cookies will be stored in your browser only with your consent. 2 How long does it take to charge a Kobalt 24v battery? They will be able to help you diagnose any problems that you might have been facing on the battery. document.getElementById( "ak_js_3" ).setAttribute( "value", ( new Date() ).getTime() ); See our Privacy Policy and Terms & Conditions. Necessary cookies are absolutely essential for the website to function properly. 40V Lithium-Ion Battery - Harbor Freight Tools Kobalt 40v packs for all the 40v tools. How to Market Your Business with Webinars. The Kobalt 80v 2.0Ah has a weight of 1.36kg, the Kobalt 80v 2.5Ah has a weight of 2.55kg, the Kobalt 80v 5.0Ah weights 2.27kg, and the Kobalt 80v 6.0Ah comes with a weight of 3.7kg. We have a 40V kobalt mower that seems to have refused to work with anything over a 2.5Ah battery which sucks for run time. That way, you wont have to deal with many errors down the road, and the unit will respond accordingly to your input. It is also reliable, durable, and more efficient than the Kobalt 40v. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Icon Ratchet Wrench Review Should You Buy? Page 9 SAFETY INFORMATION Maintain tool with care. T. Tictac New member. Product Overview This 40V lithium-ion battery charges in 60 minutes and delivers enough power to handle an entire yard. 40 Volt lithium-ion technology offer greater runtime and battery efficiency Fade free lithium-ion power LED power level indicator built into the battery Quick charge time of 1 hour for a full charge Lighter than Ni-cad batteries with longer runtime Warranty Guide PDF Prop65 Warning Label PDF Specifications Compatible with Power Tools Warranty Yeah it was the battery. Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. Kobalt 40v Charger and battery not working : r/fixit Throws hay. I have a couple of power banks that show 100% charged even when I can see that the battery is more like 80% using . In this section, we will take a look at the difference between the Kobalt 40v and the Kobalt 80v. Price and other details may vary based on product size and color. 79 dB(A) is quiet enough that you dont really even need ear protection according to OSHA standards. Fix Dead Lithium-Ion Batteries That Won't Hold a Charge Anymore There is a poor connection between the battery and charger. How long does it take to charge a 40V Kobalt battery? As the grass gets thicker, the harder the mower has to work at keeping that blade tip speed up. You have the option here. Editors Note: Check out our best battery-powered mower article for our top picks. There should be no gunk, debris, or lint stuck on these connection points. From there, it is not that hard to fix all issues with your device.. If the battery gets hot to the touch, let it cool down before recharging or using. Know your lawn/circumstances. Not only do terminals need to be cleaned up, but you also have to ensure that you are checking up on them for any sort of bends. 5 Handy Fixes To Common Ryobi Drill Chuck Problem. If voltage drops too low the charger won't communicate with the battery to start charging. You can do that by removing power from the unit for around 20 minutes and then connecting it with a pair of wires with a fresh battery pack. For use only with Kobalt 40V Charger (MODEL #KRC 60-06). The Kobalt 40v 2.0Ah weighs 0.88kg, 2.5Ah battery weighs 0.91kg, 3.0Ah battery weighs 0.90kg, 4.0Ah battery weighs 1.76kg, and 5.0Ah battery weighs 2.1kg. Both models the brand entered into our shootout fared really well from a sound level standpoint. This time around, you wont have to deal with the same blinking red light, and the charger will work accordingly. Granted, you'll either have to have a smaller lot or a second battery if you want this mower to run for over a half an hour. You deal with hay laterwhen you get back home. If the terminals are bent, you need to straighten them so they can be connected properly, and that should be sorting it out for you. Page 1 40V MAX LITHIUM-ION CHARGER MODEL #KRC 40-06 Espaol p. 7 ATTACH YOUR RECEIPT HERE Serial Number Purchase Date Questions, problems, missing parts? Before returning to your retailer, call our customer service department at 1-888-3KOBALT (1-888-356-2258) 8 a.m. - 8 p.m., EST, Monday - Friday. From eyeglasses, to office chairs, cherished childhood stuffed animals, and trinkets and toys. It doesnt deliver a warning when the battery is about to go off. Kobalt Tool Lines: Always use a clean cloth when cleaning. Max voltage of 42v fully charged. But go look at Toro and Ego. If youre in a situation with water damage, try and limit the issue by drying out the unit in direct sunlight for four hours. Kobalt 80V Battery Is Not Charging? Shop products from small business brands sold in Amazons store. Pro Tool Reviews is a successful online publication that has been providing tool reviews and industry news since 2008. Use of another charger may present a risk of fire or explosion. First, you will need to let it stay like that for 30 minutes or so, and that will be charging the battery normally. Please read and accept our website Terms and Privacy Policy to post a comment. Required fields are marked *. Revive Ryobi 40 Volt Battery ~ The Easy Way, and the Hard Way! Kobalt is another cool and pretty durable brand that allows you to enjoy the perfection of having the right tools to work on multiple residential and commercial projects. amzn_assoc_placement = "adunit0"; The weights of both devices are great to store and to use conveniently. Tried on two different chargers, so its not the charger of three batteries, only one works. If you have a 20m mow job, this is a no-brainer.Read more , I am very disappointed that I have to purchase battery and charger separately. I ended up figuring it out! Kobalt 40v Battery Review, Plus 9 of the most asked questions answered !Other Related Videos:How to string the 40v Kobalt weed eater #Kobalt #40v #Trimmer String Replacement https://youtu.be/K_5QeiK3pm43yr Product Review on the Kobalt 40v Mower, Blower, and Weed Eater 3 yr Review, #KOBALT 40V Mower, Blower, \u0026 Weedeater #bestbatterymower https://youtu.be/7lC0Q_0-i_gKobalt Mower Vs Tall Grass.. #Kobalt #40v Mower v Tall grass https://youtu.be/-yNhzvZHv3gFor more Meandering Yogi videos check out the links below Travel Videos from India ; https://youtube.com/playlist?list=PLwGMtuh7h7qlbORoUJyfmTJPUYMkHM-c_More product reviews ; https://youtube.com/playlist?list=PLwGMtuh7h7ql8z_QaqqmUHaJF9WDuUFK4Portugal \u0026 India AirBnB reviews ; https://youtube.com/playlist?list=PLwGMtuh7h7qk__Bq7jo7vRxgxNufnWwpwAll Meandering Yogi Videos; https://youtube.com/playlist?list=PLwGMtuh7h7qlLTOlH3IVSEjcVqreZXjMpHow to Videos; https://youtube.com/playlist?list=PLwGMtuh7h7qmiXKclKanZEG9oHOk4amuu Our 24V charger cannot be used to charge a 40V battery and vice versa. If you are charging a battery on the Kobalt battery charger, and it is blinking red light, it can mean several things. Power Wheel Adapter for Kobalt 24V Max Battery with Fuse & Wire terminals, Power Connector for Rc Kobalt 80v vs Greenworks 80v: Which Tools Battery is Better? It doesnt have the cutting power and runtime that some of the higher voltages do. By clicking Accept, you consent to the use of ALL the cookies. These cookies will be stored in your browser only with your consent. Discover more about the small businesses partnering with Amazon and Amazons commitment to empowering them. WEN 40V Max Lithium-Ion 4Ah Rechargeable Battery. It should be easy enough, and you just have to disconnect the power cord once and then connect it again to the charger properly. The truth is that, especially for the money, this is a great little mower. He will service the power connections, and you wont have to worry about bringing out your appliances or tools. Most of the time, getting a replacement is not that difficult. A fully charged 6.0 Ah battery powers the self-propelled mower for up to 60 minutes of operation. DO NOT TRY CHARGING A GAMEBOY ADVANCE SP's BATTERY FROM YOUR PCs USB PORT. Thanks for your input! Would love your thoughts, please comment. Neither. However, if you keep using the battery even after that point, then it can get unresponsive. Some mowers are beginning to experiment with on-the-go or even self-adjusting pacing. If it has gone below a certain level, it would be better for you to have the battery replaced, and that should allow you to enjoy a seamless experience with your Kobalt 24V battery and the tool. Works With Most RYOBI 40-Volt Tools - See Compatability Report Fade-Free Lithium-Ion Power High Capacity 6.0 Ah Battery for Increased Run Time View More Details Number of Batteries Included: 1 Battery Amp Hours: 6.0 4.0 6.0 Delivering to: 60607 | Buy in Store Limited stock at Lincoln Park Check Nearby Stores Ship to Home Not available for this item Create an account to follow your favorite communities and start taking part in conversations. Before returning to your retailer, call our customer. Speaking of making adjustments to the cutting height, the Kobalt 40V mower gives you seven options ranging from 1.25 4.375. I think I will cancel the order, I dont think this is a good purchase if I have to pay an additional $150 for the power. Kobalt Charger Blinking Red/Green/No Light Meaning Keep all vents and openings clean and clear of debris. Kobalt 24-volt max cordless power tools and charger sold separately. Why Is My Battery Tender Charger Blinking Red And Green? Most Kobalt dealers will bring complete warranty support for more than a year. The batteries are built with strong plastic material and it provides optimal performances during certain conditions. Analytical cookies are used to understand how visitors interact with the website. While some manufacturers that opt for plastic decks, Kobalt uses a traditional steel deck with the 40V model. amzn_assoc_ad_type = "smart"; Fixing power connections can be a bit dangerous, especially when youre not experienced. So, make use of rubbing alcohol to get rid of this gunk. ), 82V; . This lithium battery comes with a fast-charging feature and has no negative memory effect. Do I have a bad charger or battery? Differences Between Kobalt 40v and Kobalt 80v. Press question mark to learn the rest of the keyboard shortcuts. Kobalt 40-Volt 3.0AH Amp Hours Rechargeable Lithium Ion (Li-ion As an Amazon Associate, we may earn income when you click on an Amazon link. Hardware issues are the next thing that you need to check when running into these errors. Kobalt 80v vs Ego 56v: Which Tool Batteries are Better? amzn_assoc_title = "My Amazon Picks"; HookedOnTool.com is a participant of the Amazon Services LLC Associates Program, an affiliate advertising program it is designed to provide an aid for the websites in earning an advertisement fee by means of advertising and linking to Amazon.com products. Nov 22, 2020 / 40V Kobalt electric mower battery issues. Keep a spare battery on hand for more work with less downtime. Otherwise, youll struggle to secure a consistent response from the system. How long does it take to charge a 40V Kobalt battery? It recharges in 1 hour for less downtime on the job. Product Details The 40-Volt MAX 7.5 Ah premium battery is the system's largest capacity battery. Avoid running a battery to it's low voltage cut off whenever possible, Make sure to charge batteries that have hit their low voltage cutoff before storage. So, be sure to reach out to the dealer and have him provide you with a fresh piece. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. Page 10: Preparation The Kobalt 40V self-propelled mower shines when it comes to valueit came in 2nd for value in its class. The benefits of having a quiet mower are plenty. It wont be that heavy on your budget, and the charger will be fixed in no time. It has a convenient charge time and it provides quality run time. Please try again later. He enjoys his faith, family, friends, and the Oxford comma. Free shipping. By clicking Accept, you consent to the use of ALL the cookies. Kobalt 40-Volt Lithium Ion (li-ion) Charger - Lowe's Check the warranties. charging these batteries properly on your Kobalt charger, Battery Tender Jr Blinking Green Light 4 Signals and Its Meaning, 10 Quick Solutions To Kobalt 24V Battery Not Charging, Why Is My Battery Tender Charger Blinking Red And Green? I have a 40v charger and battery. Save my name, email, and website in this browser for the next time I comment. Before our final verdict, we will go over a few pros and cons of the Kobalt 40v and the Kobalt 80v. 40 V Power Tool Batteries for Sale - eBay Questions, problems, missing parts? You are not liable for any delivery issues, and getting a new unit will address the majority of these errors. You also have the option to opt-out of these cookies. You also need to ensure that you are checking on the terminals properly. The cookie is used to store the user consent for the cookies in the category "Analytics". If the red light is still blinking, remove the battery once again. However, if youve been unable to fix the issue after testing out the battery and the voltage, then your device is damaged. Plus, the Kobalt 40V lineup includes this mower, a chainsaw, a blower, a string trimmer, a hedge trimmer, a polesaw, and a snowblower. Ideally, you need to stop and charge the battery when it is close to 20 percent. Avoid running a battery to it's low voltage cut off whenever possible. Thanks for your input! Top subscription boxes right to your door, 1996-2023, Amazon.com, Inc. or its affiliates. The included battery and charger are compatible with all Kobalt 40 volt Max tools and are backed by a 5-year limited warranty on the tool and a 3-year limited warranty on the battery and charger. 6 Ways To Get Rid Of Kobalt Battery Charger Blinking Green Issue Of course, you can always buy additional batteries to get more runtime. 10 Quick Solutions To Kobalt 24V Battery Not Charging This cookie is set by GDPR Cookie Consent plugin. amzn_assoc_ad_mode = "manual"; pot-shott 1 yr. ago All you need to make sure of is that the outlet is in good shape and the supply is according to the charger requirements. The cookies is used to store the user consent for the cookies in the category "Necessary". DeWalt Atomic vs XR Oscillating Tool Which Suits You? DEWALT 40V MAX 7.5Ah Lithium-Ion Battery Pack DCB407 - The Home Depot If we pull out just the 40V class (36V/40V Max), only Stihl brings more blade speed to the table when things get tough. After that, you will have the best experience with charging these batteries properly on your Kobalt charger. That should make the troubleshooting process much easier in the long run. Hopefully, all errors will be fixed at this point when youre talking about the Kobalt battery not charging! In the case of battery-powered mowers, as the mower senses more resistance the brushless motor directs more power to the blade tip. Initial no-load voltage, when fully charged, peaks at 40 volts; nominal voltage under typical load is 36 volts. #1. $49 99 + S&H. . There can be some corrosion on the terminals due to moisture, or you could be having some carbon build-up on them that might be causing you to face all these different problems. It comes with no memory loss after charging. Kobalt 40v Battery - Walmart.com Its 19-1/4 blade whipped around at 2780 RPM, which pans out to 159.1 MPH blade tip speed. amzn_assoc_tracking_id = "comparisonbattleidtag-20";