![]() Starting your engine depletes your battery only a small amount before the alternator takes over. That’s more than three times the starts you’ll get out of a conventional battery.Īnd AGMs recharge faster than typical batteries. Over the course of their lifespan, AGM batteries can start an engine more than 60,000 times. Special valves protecting the battery's lifespan. ![]() Why? What’s the big difference between AGMs and a standard, flooded battery? What’s the difference between an AGM and a regular car battery?ĪGM car batteries have unbeatable advantages over standard, flooded batteries: Now, they’re showing up in everyday cars and trucks. Their use expanded over the decades to include motorcycles, military, aircraft, submarines and power banks for offices. Enter the absorbed glass-mat (AGM) battery.ĭeveloped in the late 1970s, AGM batteries mostly served as backup power for telephone boxes and early computer rooms. However, a standard, flooded battery can’t run a light bulb for more than a couple hours in one stretch. Lead-in-acid batteries used to fit the bill for cars because they can throw a lot of electricity into a starter in a short burst. Here’s the problem: Planté’s lead-acid battery can’t handle all those power needs for long. Bluetooth-enabled sound systems to play music from your smartphone (which you barely use for calls anymore. Satellite-connected radio and wireless-fidelity internet connections. Backup cameras with calculated guidance routes. Remote starting, even phone-operated starting. Vehicles capable of fuel economy fuel economy in the high 20s to mid-30s. Autonomous driving. Artificial intelligence-assisted driving. What sparked the next generation of car batteries?ĭriving in 2019 just isn’t the same experience it was in 1969. He might be surprised how little the lead-acid battery changed in 160 years.īecause everything else has. Some are even sealed so you don’t need to add water.ĭespite these tiny developments in across a century and a half, French physicist Gaston Planté could step out of a time machine and still recognize his invention in 92.4% of the US automotive market. It’s still thin lead plates, sulfuric acid and water (plus a durable, polypropylene case.) Small tweaks and adjustments played out over the years. Since it was invented in 1859, the same 160-year-old technology still starts your car and nearly every car around the world, with minor changes here and there. The lead-acid battery hasn’t changed much in 160 years.
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