The GBA18V40 is designed with high-power lithium-ion cells, featuring a single layer of enhanced 21700 cells for greater battery efficiency. Its a good idea to check your battery maintainer periodically to ensure proper function. This is useful when there are multiple applications such as a fleet of vehicles or units that need . It features a charge-status indicator with high resolution for clear visibility. Full charging will begin once the battery reaches 10.5 volts. Battery Chargers & Maintainers - Harbor Freight Tools Lithium Battery Chargers - Walmart.com Youll need to tell it what type of battery youre connecting it to. This compact battery weighs only 1.10 Lbs. They can help, but cant quite live up to the standards of a battery maintainer. Add $ 29. We carry top quality cells from Vinnic, Maxell, and Energizer with quantity pricing, For several of our battery sizes, we carry both Silver Oxide and Alkaline chemistry batteries. Ships from and sold by Powermall. GENIUS1 6V/12V 1-Amp Smart Battery Charger $29.95 If you have an account, sign in with your email address. My comprehensive list of top-quality battery maintainers, along with an informative buying guide, will have you fully charged and ready to go in no time. The Beans of Essentially Streaming Are PoweredbyBattle Born Batteries! GBA12V30. For the best experience on our site, be sure to turn on Javascript in your browser. 4. JavaScript seems to be disabled in your browser. First, check the quantity and ensure that there is enough room to handle your needs. |Distributor Login|US Distributors|Canada Distributors|WorldWide Distributors, |Government Awards|Military Contracts|SAM RegistrationCAGE CODE: 93CZ2DUNS NUMBER: 109774429Copyright 2023 Lithiumion-batteries.com All Rights Reserved, |Battery ProtectionSystem| Battery Reboot Procedure|Frequently Asked Questions| Thermal Management, |Ordering|Shipping|Terms and Conditions| Privacy Policy| Contact Us. Complete with O-rings and clamps, it lets you restore your. In Stock. It never seems to fail. If you are using a lead acid charger, make sure it includes the following: EarthX ETX-Series batteries have an over discharge protection to disconnect the battery from your vehicle from the active load if 95-98% drained to protect the cells from damage. If however, you have a bank of lithium batteries for house power, then a battery maintainer is not the best option. Flashing GREEN and 25% YELLOW LEDs indicates the battery is less than 10.5 volts and the charger is in low power safety mode. Whether or not a battery maintainer is worth the expense ultimately depends on your need for one. For a more budget-conscious option that delivers respectable and reliable charging power, check out the Everstart 12-Volt Battery Charger and Maintainer. Car Battery Charger,Trickle Charger, Maintainer/deep Cycle Charger,12V/20A and 24V/10A,for Boat,Motorcycle,Lawn Mower,Golf cart. A normal battery charger does not stop sending voltage to a battery regardless of its state of charge. Protecting your investment in Bosch power tools can save you time and money in the future. How to Charge an EarthX Lithium Battery - EarthX Batteries Complete with O-rings and clamps, it lets you restore your battery quickly. Rechargeable batteries can be recycled. Additional safeties include voltage and amperage limits, as well as protection against reverse polarity. provides 18V power and 2 Ah in a lightweight .75 Lbs. If you have a voltage reading of 0-10.5V after reconnecting the circuit, the battery may be damaged and should not be charged. The Best RV Battery Chargers (Review & Buying Guide) in 2023 And it's incredibly powerful and compact. 12V LiFePO4 Deep Cycle Heated Battery Kits. 4.8 out of 5 stars. This is not an all inclusive list. Battery Tender Products | O'Reilly Auto Parts Product details. If you have any type of vehicle sitting for two months or longer, a battery maintainer will help keep your battery charged, that way, you can instantly start your car, truck, van, or motorhome when the time comes. . Save yourself time and frustration by keeping your batteries in tip-top shape with these reliable battery maintainers. 5pk Maxell Silver Oxide Watch Battery SR521SW Low Drain Replaces 379. Pros Four-stage smart charging. Metal Cutting, Grinding & Brushing Accessories, Dust Extractor & Vacuum Cleaner Attachments, Dust Extraction Attachments, Tool Specific, Digital Levels, Digital Angle Finders and Inclinometer, Bosch 18V batteries are covered by a three year limited warranty - for details, visit https://rb-pt.io/PowerToolWarranty or call 1-877-BOSCH99, Dust Extractor and Vacuum Cleaner Attachments, Dust Extraction Attachments, Tool-Specific, Attachments for VAC090- & VAC140-Series Dust Extractors, Attachments for 3931-Series Dust Extractors, Attachments for Use with Other Dust Extractors, Vacuum Cleaners and Hoses, Rotary Hammer/Hammer Drill Dust Attachments, 12V Max Batteries, Chargers & Starter Kits, GBA18V40 18V CORE18V Lithium-Ion 4 Ah Advanced Power Battery, CORE18V 4 Ah delivers power in a compact, lightweight solution, CoolPack 2.0 delivers faster cooling for longer runtime, High-power cells plus advanced design for improved performance. The high-tech system is built to automatically adjust the output to a float setting once it hits the ideal charger. Trickle chargers simply push a small current through the battery at a steady rate. 12V Deluxe Battery Maintainer and Float Charger. Charger Volt Range-Includes (1) GBA12V30 12V Max Lithium-Ion 3.0 Ah Battery. Since 1965 Deltran Battery Tender has been reviving dead batteries by producing battery chargers and accessories to help their customers access quick and simple charging for their vehicles. Have a service related question? $9.95 As low as $8.95. Also, join us on Facebook, Instagram, and YouTube to learn more about how lithium battery systems can power your lifestyle, see how others have built their systems, and gain the confidence to get out there and stay out there. Text us here. We also offer International Door to Door Air Service for our worldwide client base and distributor support centers. It works best with flooded, gel, AGM, deep cycle, and even lithium batteries. Utilizing a battery charger is far less costly than shelling out the coin for a new battery itself. After about 6 months of no use, check the voltage and if it is less than 13.28V, you should charge it, especially before start attempt. Its compatible with any standard lead-acid battery, meaning you can use it on both land and water vessels. Unlike a battery charger, most well-made battery maintainers will stop pushing a charge once the battery is full. Best Battery Maintainer for 2022 - CNET |, Click here for maintenance and start up guidelines. If youll be driving your vehicle for at least 30 mins once a month, you can probably avoid the unnecessary expense and go without. Its also rated for indoor and outdoor use. Make sure to pay attention to the type of battery you have and use an appropriate trickle charger or float charger, as there are chargers designed specifically for conventional or AGM battery vs. Lithium Ion high performance batteries. LED Lights on Precision Chargers (non-lithium) (2013-2022) The fact that this unit is solar also makes its charging ability spotty since youre dependent on the sun for it to work. To steer clear of the utter dejection that comes from a warm summer day, a clear schedule, and open roads cut short by a motorcycle that wont start, a quality battery charger is always a good thing to have in your garage. This feature serves to prevent electrical overlap and stop batteries, being charged simultaneously, from pulling power from each other. A battery maintainer is essentially a small battery charger that sends small amounts of energy to your battery. In addition, batteries have whats called self-discharge. Because these batteries do not charge unless the engine is running, they need a maintenance charge, hence the name. It uses multi-stage charging to protect and extend the life of your battery. Amazon.com: Lithium Battery Maintainer After viewing product detail pages, look here to find an easy way to navigate back to pages you are interested in. The battery maintainer sends a trickle charge to your battery and can sense when its fully charged. You can get a decent mid-range battery maintainer that is suitable for six- or 12-volt batteries and capable of maintaining a variety of car, truck, and sporting equipment vehicles for between $25 to $75. Solar charge controllers regulate incoming solar power to maintain batteries and prevent overcharging. Best Car Battery Chargers 2023 | Battery Chargers for Your Car Can I charge a lithium battery with a normal charger? It is compatible with Bosch 18V tools and chargers and the AMPShare System. WEIZE 12V 100Ah LiFePO4 Lithium Battery, Up to 8000 Cycles, Built-in Smart BMS, Perfect for RV, Solar, Marine, Overland/Van, and Off Grid Applications. The new force mode lets you manually begin charging batteries that measure as low as zero volts. Articles may contain affiliate links which enable us to share in the revenue of any purchases made. Its able to accommodate four batteries at any given time, with each port independent. CEN-TECH. Unfortunately, this charger and maintainer doesnt put out enough power to keep the battery charged if you have other components in your vehicle using the power. If the battery will not reset and charge after step 1 or 2, you could have a damaged cell and should not continue to use or charge the battery. Have a tool, accessory, application or service question?Call us at 1-877-BOSCH99 (1-877-267-2499) or visit the Frequently Asked Questions. The Power Tools Division of the Bosch Group is the world market leader for power tools and power tool accessories. Do not leave a battery, lead acid or lithium in a discharged state or the cells will be permanently damaged (anything below 13.28V is a discharged state). Built with a single layer of 18650 Lithium-ion cells, the battery is efficient and delivers significant power. There is also no indication of whether the unit is working or not. Its a charger, maintainer, and desulfator. Can not find a maintenance voltage so if it less than 13.3V, it is too low, Use as a charger and maintainer, but will not reset EarthXs BMS over-discharge protection, Suggestion: Use as a charger and maintainer, Suggestion: Use as a charger and maintainer, and it will reset EarthXs BMS over-discharge protection, Suggestion: Do not use, as full time de-sulfating mode with damage a lithium battery, Suggestion: Can be used for charging. The professional blue power tools from Bosch are engineered for excellence meeting the highest standards in speed, precision and robustness for great, professional work results. How to Dispose of Batteries - The Home Depot Its because of something called parasitic drain and self-discharge. DC-DC Battery Chargers Battery Maintainers Filter By Request Wholesale Price REGO 12V 60A DC-DC Battery Charger This unit also loses some love for occasionally glitching out and automatically timing out after three days. Our products are approved to ship by air and meet or exceed IATA(International Air Transportation Authority)regulations for Lithium Ion Batteries. While that may have been the case decades ago, its certainly not the lay of the land in todays market. Lightweight and compact, this three-pound battery tender provides a steady 1.25 amps to efficiently yet safely restore charge. Check Latest Price Summary Cost-effective and user-friendly, this battery maintainer works on any type of car or water vessel. This tiny, but tough battery tender is even capable of recharging batteries as low as one volt. but provides power for standard to medium-duty applications, such as drilling into concrete, metal and wood; metal grinding; cutting and even light-duty chipping, features high resolution for clear visibility, engineered for 18V and compatible with Bosch 18V tools and chargers, compatible with the AMPShare System, a battery system designed to be multi-brand compatible across many cordless products to make managing your work day easier, (1) GBA18V40 18V CORE18V Lithium-Ion 4 Ah Advanced Power Battery, (1) BAT612 18V Lithium-Ion 2 Ah Standard Power Battery, (2) BAT612 18V Lithium-Ion 2 Ah Standard Power Batteries, (1) GAA18V-48 18V USB Portable Power Adapter, (1) GAL18V-160C 18V Connected-Ready Lithium-Ion 16 Amp Battery Turbo Charger, (1) GAL18V-40 18V Lithium-Ion Standard Battery Charger, (1) GAL18V6-80 18V 6-Bay Fast Battery Charger, (1) GAX1218V-30 18V/12V Dual-Bay Lithium-Ion Battery Charger, (1) GBA18V120 18V CORE18V Lithium-Ion 12 Ah High Power Battery, (2) GBA18V40 18V CORE18V Lithium-Ion 4 Ah Advanced Power Batteries, (1) 18V CORE18V Lithium-Ion 8 Ah High Power Battery, (2) GBA18V80 18V CORE18V Lithium-Ion 8 Ah High Power Batteries, (2) GBA18V40 18V CORE18V Lithium-Ion 4 Ah Advanced Power Batteries, (1) GAL18V-40 18V Standard Battery Charger, (1) GBA18V80 18V CORE18V Lithium-Ion 8 Ah High Power Battery, (1) BC1880 18V Lithium-Ion Fast Battery Charger, (2) GBA18V80 18V CORE18V Lithium-Ion 8 Ah High Power Batteries, (1) GAL18V-160C 18V Connected-Ready Lithium-Ion 16 Amp Battery Turbo Charger with Power Boost, (1) GBA18V80 18V CORE18V Lithium-Ion 8 Ah High Power Battery, (1) GAL18V-160C 18V Connected-Ready Lithium-Ion 16 Amp Battery Turbo Charger with Power Boost, (1) GBA18V120 18V CORE18V Lithium-Ion 12 Ah High Power Battery, (1) GAL18V-160C 18V Connected-Ready Lithium-Ion 16 Amp Battery Turbo Charger, (2) GBA18V120 18V CORE18V Lithium-Ion 12.0 Ah High Power Batteries, (1) GAL18V-160C 18V Connected-Ready Lithium-Ion 16 Amp Battery Turbo Charger with Power Boost. Universal Fit parts can be installed on various vehicles and may require modification. The plant turns lithium ore into . All Rights Reserved. What Does a Battery Maintainer Do? | Battle Born Batteries Doing so lets the battery sit for long periods of time without any activity and lets the battery retain a full charge. The store will not work correctly in the case when cookies are disabled. SHOP Lithium Batteries Marine Lithium Batteries EV & Golf Cart Batteries Telecom & Industrial CHARGEX Warranty About Us Products | Lithium Ion Chargers 43 Item (s) 48V 200A Lithium Ion Battery Charger for Lithium Ion, Lead Acid, AGM & Gel Batte. Family owned and dedicated to maintaining customers' battery performance, Battery Tender supplies state of the art technologies for their battery chargers . It is likely that it will not keep it completely full, however, if the maintainer is specifically designed for lead-acid. 1-48 of 368 results for "lithium battery tender" Results Battery Tender Junior 12V Battery Charger and Maintainer: 800mA 12 Volt Battery Charger for Lead Acid and Lithium Batteries - Switchable Battery Charger for Powersports - 022-0199-DL-WH 3,147 $3995 FREE delivery Mon, May 29 Or fastest delivery Thu, May 25 Small Business More Buying Choices This tender will actively charge your battery until its fully charged. Multi-Stage Charging Otherwise, use a lithium charger with a reset mode, If below 10.5V, it is possible the battery/cells are damaged. With over 30 options ranging from as low as 1 amp to 250 amp, our chargers can handle any situation! While you can use it outside, it isnt waterproof, so exposing it to rain or snow will ruin the charger. Discover on-board chargers. JavaScript seems to be disabled in your browser. Now, higher might sound better, but with a maintainer, its better to stick in the mid-range. Have a tool, accessory, application or service question?Call us at 1-877-BOSCH99 (1-877-267-2499) or visit the Frequently Asked Questions. Storing them charged and disconnected is your best bet. 17 of Best Lithium Battery Chargers for 2023 Its not a bad idea to check the maintainer every once in a while. Amazon Deltran has a wide range of offerings,. 20-Amp Smart Battery Charger,Lithium,LiFePO4,Lead-Acid(AGM/Gel/SLA.) Lithium batteries take less time to charge than standard batteries (roughly 1 - 2 hours compared to 12 hours for a standard) Economically better based on their lifespan Lithium Battery Disadvantages Your regular battery charger won't charge a lithium battery properly If your battery is cold it will not perform as well We know that building or upgrading an electrical system can be overwhelming, so were here to help. Too low, theres no result. Recycling companies dispose of the components of rechargeable batteries . Or worse, youre already running 15 minutes late for work and hear the dreaded hollow whirring of a dead car battery. Our Editor's Pick Deltran is spark-proof and reverse polarity protected. Its ideal for boats, motorcycles, snowmobiles, cars, trucks, and RVs. This streamlined battery maintainer will charge and maintain six- and 12-volt batteries. Add to My List. Backed by a three-year warranty, though, rectifying any issues should be simple and straightforward. Are battery maintainers worth it? Now, a steady voltage flows in, but the system titrates down the amperage. Visit the Frequently Asked Questions section.We may already have the answer for your questions. 10-Amp Car Battery Charger, 12V 24V Automatic Smart Battery Maintainer Trickle Charger, Battery Charger Battery Desulfator with Temp Compensation for Car Truck . Once the battery hits 80 percent full, it moves to tier three: absorption. 99. Battery Chargers, battery maintainers, trickle charger for Sale - Renogy For instance, you might not need one at all. Easy to use and extremely affordable, this charger and maintainer is a worthy value pick. This means it wont be effective on modern or higher-end vehicles that have a lot of electricity-demanding features. Add to Cart. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); EarthX batteries can sit on the shelf for up to a year without the need to charge due to the low self discharge rate (which is about 2% a month, compared to a lead acid battery which is approximately 30% per month). Niche Smart Lithium Battery Charger Maintainer 1.5A 12V Li-ion LiPo LiFePo4 519-CBC2225H. As long as youre able to handle it with care, though, it is built to work for long periods. After all, they serve a specific purposeto keep your batteries safely charged over a long period of time. Motorcycle Battery Chargers, Tenders & Maintainers - RevZilla The Best Battery Maintainers, 2023 - AutoGuide.com The device has a built-in automatic temperature sensor and comes with alligator clamps and eyelets. Since this model includes a lengthy cable, you can connect it from just about anywhere. Product details. When the battery starts draining again, the maintainer will kick back on, making it ideal for long periods of use. GAX1218V-30 18V/12V Dual-Bay Lithium-Ion Battery Charger. This advanced microprocessor-controlled charger includes a reconditioning mode and is ideal for use with lead-acid batteries. This is an important safety feature that will protect you, your battery, and the tender. On-board battery chargers designed for extreme conditions - 100% waterproof. This field is for validation purposes and should be left unchanged. This not only saves frustration, but it saves time. 3. Recharging this battery from the depleted state can take a couple of hours. Locate and download the parts diagram for your tool. The Power Tools Division of the Bosch Group is the world market leader for power tools and power tool accessories. The Bosch BAT612 2 Ah Standard Power Battery delivers the power you need at a light weight for general applications such as screwdriving and fastening. It features easy-to-read LED lights that . This battery charger will effectively charge and maintain your ATV, lawn tractor, jet ski, motorcycle, or marine battery. At this point, it shuts off to avoid overcharging the battery, making it perfect to use when your batteries will be sitting for awhile without any use. On the other hand, battery maintainers shut off once the battery reaches its complete charge. This is not an all inclusive list. This DieHard 71219 Shelf Smart Battery Charger and Maintainer is a phenomenal mix of price and quality. We always aim to offer genuine, accurate guides to help you find the best picks. Battery Maintainers - Walmart.com If you plan to get a hybrid for use as a charger, make sure that there are ample safeguards and a well-structured charging approach. The clamps on this charger are substantial and will connect securely to your battery during use. When the battery is "disconnected", there is no voltage at the battery terminal. Costco has great deals on specialty batteries, portable battery chargers, and battery storage systems. Dragonfly Energy collects personal information for its internal use. Basically, the float mode sets it so that a current only applies when the battery needs it, thus preventing overcharging. Image. Protecting your investment in Bosch power tools can save you time and money in the future. It can actually improve the health of your battery if left on consistently. Its worth a note that, since this unit is so powerful, it does come with a proportionately higher price tag. Shop our inventory of alkaline batteries, which are ideal for household items like . Thats what makes the Everstart 12-Volt Battery Charger and Maintainer such a popular option. The rub? Abattery maintaineris essentially a small battery charger that sends small amounts of energy to your battery. It will then automatically switch to maintenance or float mode to maintain your battery. Most of the time battery maintainers are used on starting batteries for engines. BatteriesBattery BoxesJump PacksChargersAccessoriesSee All Products, WarrantyShipping & ReturnsCustom Batteries, Dealer MapBecome a DealerDealer ResourcesSponsorships, Our BrochureManualsList of Approved STC'sFAQsSafety Data Sheet (EN) (FR)Service BulletinsVideo LibraryMagazine Articles, Send us a messageOffice: 970.674.8884Toll Free: 844.220.6230M-F: 9am-5pm MST, Lithium Battery Solutions For Your Vehicle. 24 Volt Battery Chargers | 24V Maintainers | Battery Mart The core success factors are innovative strength and pace of innovation. Copyright 2023 Lithiumion-batteries.com All Rights Reserved. However, if the battery is completely drained, you would need a boost. If you have to charge your battery use a lithium (lifepo4) charger. Add to Cart. This solar-powered battery charger and maintainer uses the power of the sun to charge your vehicle battery. Once the charger sees voltage it begins to charge as normal. battery, keeps battery cooler for up to twice battery lifetime, maximizes the performance of each individual cell for longer runtime, features high resolution for clear visibility, compatible with the AMPShare System, a battery system designed to be multi-brand compatible across many cordless products to make managing your work day easier, 18V batteries and chargers are compatible with Bosch 18V power tools and a growing list of cordless products from AMPShare brands, (1) BAT612 18V Lithium-Ion 2 Ah Standard Power Battery, (2) BAT612 18V Lithium-Ion 2 Ah Standard Power Batteries, (1) GAA18V-48 18V USB Portable Power Adapter, (1) GAL18V-160C 18V Connected-Ready Lithium-Ion 16 Amp Battery Turbo Charger, (1) GAL18V-40 18V Lithium-Ion Standard Battery Charger, (1) GAL18V6-80 18V 6-Bay Fast Battery Charger, (1) GAX1218V-30 18V/12V Dual-Bay Lithium-Ion Battery Charger, (1) GBA18V120 18V CORE18V Lithium-Ion 12 Ah High Power Battery, (1) GBA18V40 18V CORE18V Lithium-Ion 4 Ah Advanced Power Battery, (2) GBA18V40 18V CORE18V Lithium-Ion 4 Ah Advanced Power Batteries, (1) 18V CORE18V Lithium-Ion 8 Ah High Power Battery, (2) GBA18V80 18V CORE18V Lithium-Ion 8 Ah High Power Batteries, (2) GBA18V40 18V CORE18V Lithium-Ion 4 Ah Advanced Power Batteries, (1) GAL18V-40 18V Standard Battery Charger, (1) GBA18V80 18V CORE18V Lithium-Ion 8 Ah High Power Battery, (1) BC1880 18V Lithium-Ion Fast Battery Charger, (2) GBA18V80 18V CORE18V Lithium-Ion 8 Ah High Power Batteries, (1) GAL18V-160C 18V Connected-Ready Lithium-Ion 16 Amp Battery Turbo Charger with Power Boost, (1) GBA18V80 18V CORE18V Lithium-Ion 8 Ah High Power Battery, (1) GAL18V-160C 18V Connected-Ready Lithium-Ion 16 Amp Battery Turbo Charger with Power Boost, (1) GBA18V120 18V CORE18V Lithium-Ion 12 Ah High Power Battery, (1) GAL18V-160C 18V Connected-Ready Lithium-Ion 16 Amp Battery Turbo Charger, (2) GBA18V120 18V CORE18V Lithium-Ion 12.0 Ah High Power Batteries, (1) GAL18V-160C 18V Connected-Ready Lithium-Ion 16 Amp Battery Turbo Charger with Power Boost. Its a battery charger, maintainer, and desulfator. If you have a vehicle or boat thatll be sitting for months on end, the answer is yes; its absolutely worth it to have a battery maintainer for starting batteries. Suggestion: Do not use, as full time de-sulfating mode will damage a lithium battery, Suggestion: Use as a charger and maintainer , but will not reset EarthXs BMS over-discharge protection, Suggestion: Per the manufacturer, they state it is not safe to charge a lithium battery with any of their models, Suggestion: Use as a charger and maintainer, but will not reset EarthXs BMS over-discharge protection, Suggestion: Use as a charger, maintainer, and it will reset EarthXs BMS over-discharge protection, Suggestion: Can be used for charging only. The Bosch CORE18V 4 Ah Advanced Power Battery is a compact battery delivering power in a lightweight solution. Its designed to charge your ATV, small camper, golf cart, scooter, etc. We keep up to date with different brands and models. If the battery will not reset and charge after attempting either 1 or 2 above, do not continue to use or charge as the cells could be damaged. but provides performance comparable to much heavier batteries in a lightweight solution. Whats the difference between the two?. For example, the1.25A 12V battery charger and maintainer by Battery Tenderis a popular model. Examine the Battery Pack. Our Lithium Ion Batteries have a built in battery protection system that allows them to be charged with a standard charger. Unfortunately, this is not a fully automatic charger. Discover more about the small businesses partnering with Amazon and Amazons commitment to empowering them. You must have JavaScript enabled in your browser to utilize the functionality of this website. The chronicle of car culture, delivered to your inbox. CTEK Lithium US Smart Charger - Antigravity Batteries Keep your eye out for overcharge and short-circuit protection, features built into the microprocessor. Multi Bank Chargers: Dual Bank, 4 Bank & 10 Bank - Tech Battery Solutions Please enter your email address below to receive a password reset link. There are also battery maintainers that can charge multiple batteries at once. Please read the manual that comes with your charger. 1.35lb. 379 Battery Replacement | Watch Battery Equivalent - BatteriesInAFlash All rights reserved. Provided these safeguards are in place, and the attachment hardware is in good condition, it should be a safe maintainer to use on your car battery. These clever devices keep your batteries charged and healthy so that you dont ever have to worry about your plans being stymied by a dead battery again.