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Johnson Controls Shrinks Micro-Hybrid Battery Pack to Size of Shoebox

It’s expected to have lower up-front costs for fuel efficiency, but only has a lifespan of four years on the battery

A Milwaukee, Wisconsin-based global automotive supplier has developed a smaller micro-hybrid battery pack meant to make gains in fuel efficiency more affordable.

According to The Detroit News, Johnson Controls has reduced the size of the micro-hybrid battery pack from that of a car trunk to the size of a shoe box. The system consists of a 48-volt lithium-ion battery pack and an advanced low-voltage lead-acid battery. It supports higher power loads and regenerative braking.

Micro-hybrid technology can be implemented in large gas or diesel-powered vehicles like SUVs and trucks. The idea is to make these vehicles more efficient at a lower price.

For comparison purposes, a micro-hybrid system with an advanced, lead-acid 12-volt battery coupled with the lithium-ion battery and start-stop technology will improve fuel efficiency about 15 percent (compared to a standard internal combustion engine). Start-stop systems alone, where the engine stops running when a vehicle is stopped and restarts when the accelerator is used, has about an 8 percent improvement.
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