It's likely that at some distant point in the future, lead-acid starter batteries will go the way of the dodo, at least in green cars. The fact is that newer technologies like nickel metal hydride and lithium ion are much lighter than the lead-acids currently underhood of nearly every car in the world. Still, advancements in lead-acid technology are being made, and as more and more vehicles begin demanding more from their batteries, the humble lead-acid battery is changing with the times. For instance, BMW's new efficient dynamics technology required a new battery capable of supporting high loads. Banner Batteries stepped up to the plate by offering a 90Ah AGM battery, which is capable of offering the necessary power for the stop/start micro-hybrid BMW.

Fortunately, nearly everything that goes into the lead-acid battery is recyclable. Over 95 percent of the lead-acids currently underhood will end up recycled, most likely into another battery. Europe takes up the slack for some other countries by recycling nearly 100 percent of their starter batteries. New sensors are also being added to lead-acid batteries in order to make them last longer. It's good to know that old dogs like lead-acid batteries are still learning new tricks.

[Source: Just-Auto - sub. req'd]


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