![]() With more and more cars using computers and battery power for essential systems, RC has become an important battery feature.Īs with CCA, try to match your new battery’s RC with the original battery. Reserve capacity refers to a battery’s ability to keep essential car accessories powered after a vehicle’s alternator fails. As with group size, your current battery’s CCA should be listed somewhere on the battery label.Įach car is engineered with the factory battery CCAs in mind, which is why it’s a good idea to match the CCA of your current battery – rather than attempt to “upgrade” your battery to one with more CCAs, as this can lead to decreased battery life. The higher the CCA, the more powerful the battery. You can also check your owner’s manual, which may list the group size, or try searching Google for your group size based on your vehicle’s make, model, and year.ĬCAs refer to a battery’s ability to turn a cold engine. All batteries should have their group size listed somewhere on the label. In addition to battery dimensions (length, width, and height), terminal location is also critical to proper fit.įortunately, you won’t need to get out the measuring tape to match battery dimensions. If it is too big, it won’t fit in your vehicle. If your replacement battery is too small, it won’t be properly secured. Your car battery rests in a specifically sized battery box. If you replace an AGM battery with an SLA battery, your car may not start or function properly. AGM batteries are the most common type of car battery. This type of battery tends to outlast AGM batteries.Ĭhoose a battery type that matches your existing battery. They offer a very fast charging rate and are maintenance-free. Lithium-ion : Lithium-ion batteries can be much smaller and lighter than AGM and SLA batteries.It is the most common type of car battery in modern vehicles. This type of battery offers a superior lifespan to standard flooded batteries and can handle large power demands. Battery acid is absorbed in fiberglass mats, which prevents leakage or spillage. Absorbed glass mat : An absorbed glass mat battery is highly vibration-resistant, non-spillable, and maintenance-free.This type of battery is most common in older vehicles (pre-1980). The battery contains liquid battery acid and will require more maintenance than an AGM or lithium-ion battery. Standard flooded lead acid : This is the most common type of car battery.Lithium-ion batteries are also becoming more common for cars. Standard lead-acid (SLA) and absorbed glass mat (AGM) batteries are the most common. There are a number of different car battery technologies out there. When looking for a new car battery, you should look for a replacement with specs similar to your old battery. There is no one best car battery for every vehicle. For more information on our testing methodology and how we evaluate every product, check out our methodology page here. When testing is not feasible, however, our aim is to make your life easier by doing all the online research for you and presenting that research in the form of easy-to-read product comparisons and buyers guides, rather than outright recommendations. We try to perform in-house testing on real vehicles whenever possible before making our recommendations. Our team of writers, editors, researchers, and product experts collaborates to thoroughly vet top products. Since 2020, we have published over 200 auto product reviews in an effort to make shopping for auto products easier. We looked at factors such as standout customer reviews, prices, meaningful superlatives, and discount shipping eligibility. We also factored in the quantity and quality of online retailer reviews from websites such as Amazon, RealTruck, Advance Auto Parts, and more. We pay particularly close attention to quality reviews and recommendations that highlight the quality of warranties, customer service support, build quality, materials, and overall reliability. To select the car batteries featured in this buyers guide, our team first combed through dozens of resources such as DIY mechanic and auto enthusiast forums, manufacturer and auto battery-specific websites, instruction manuals from manufacturers, and reviews from online retailers. ![]()
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