BYD — who owns it and what it actually makes

BYD is not a carmaker that added batteries. It is a battery manufacturer that added cars, and the order matters more than it sounds. The company began in Shenzhen making rechargeable cells for phones, and it still supplies cells to other manufacturers today. Its vehicles are, in a commercial sense, a way of consuming its own production.

Why the blade format keeps coming up

The company builds lithium iron phosphate cells in a long, flat format it calls Blade, and packs them without conventional modules. The chemistry gives up some energy density in exchange for thermal stability and cycle life, which is why BYD warranties on the pack are long by class standards and why its cars tend to weigh more than a comparable nickel-based rival.

Sub-brands

Denza sits above BYD as the premium line, originally a joint venture with Mercedes-Benz and now wholly controlled by BYD. Yangwang is the technology showcase at the top. Fangchengbao covers off-road and lifestyle models. In European search behaviour people almost always reach the sub-brands through the parent name, which is why every sub-brand page here opens by explaining the relationship.

What this means when buying

Servicing runs through the importer network in each market rather than through a legacy dealer group, so coverage is uneven between countries and worth checking before purchase. Parts availability has improved but remains the most common complaint in owner forums across Europe.