Why do hybrids even have a 12 volt battery when the car is already equipped with a high-voltage battery? Those of you with hybrid experience know the answer, but many techs have stayed away from hybrids and have little to no knowledge on the subject. Today we have plug-in cars, both pure electric and plug-ins
The nickel metal hydride (NiMH) battery is the best and most common hybrid battery so far, and the sheer volume of them is staggering. NiHM batteries have been in use for well over 15 years, and out of the more than 7 million hybrid cars on the road worldwide, 90% have NiMH battery packs.