Apple's collaboration with Chinese battery company BYD on battery development for its now-canceled Apple Car project has been revealed.

Apple Inc. worked with Chinese automaker BYD Co. for years as part of its now-canceled car project, developing long-range batteries that helped lay the groundwork for technology used today, according to people familiar with the situation.

Before the Project Titan was scrapped, Apple reportedly worked with Chinese automaker BYD on custom batteries for Apple Car for years, but ultimately abandoned that partnership too.

The details, which remained under wraps until now, come from people familiar with the situation who spoke to Bloomberg. According to the sources, the iPhone maker

As reported by Bloomberg on Wednesday, Apple has worked closely with Chinese automaker BYD. Both companies reportedly reached an agreement around 2017 to build batteries using lithium iron phosphate cells (LFP). The technology would significantly increase the autonomy of the car and was also considered safer than typical electric vehicle batteries.

Bloomberg reports that in 2017, Apple and BYD reached an agreement to create batteries using lithium iron phosphate cells (LFP), which would have increased the car’s autonomy and provided a safer alternative to typical electric vehicle batteries.

For years, Apple was rumored to be working on a futuristic self-driving car, with the company tied to collaborations with Volkswagen and even a potential deal to buy McLaren at one point. That never happened and the project was canned after 10 years,

Apple secretly collaborated with Chinese automaker BYD to develop long-range electric vehicle battery technology as part of its now-nixed Apple

A hidden partnership between Apple and Chinese automaker BYD has come to light, revealing a years-long effort to co-develop long-range EV battery technology. The breakthrough batteries now power BYDs electric vehicles,