BYD’s flagship Seal 08 EV with Blade Battey 2.0 declared in regulatory filings with up to 684 hp
The BYD Seal 08 electric sedan has been officially listed in China’s Ministry of Industry and Information Technology (MIIT) new vehicle catalog, confirming specifications ahead of its planned market launch in the second quarter of this year.
Powertrain options
The catalogue reveals multiple powertrain configurations for the flagship sedan. The dual-motor all-wheel-drive variant features a front motor producing 190kW (255hp) and a rear motor generating 320kW (429hp), delivering a combined output of 510kW (684hp). Single-motor rear-wheel-drive versions with 320kW (429hp) and 255kW (342hp) have also been declared.
Dimensions and specifications
The Seal 08 measures 5150mm in length, 1999mm in width, and 1505mm in height, with a wheelbase of 3030mm. The vehicle has a curb weight of 2040kg and a top speed of 240km/h. It rides on 245/45R19 tyres.
The energy storage system utilises lithium iron phosphate (LFP) battery technology. Battery cells are supplied by Hefei BYD Industrial Co., Ltd., while the battery pack is assembled by Xiangyang FinDreams Battery Co., Ltd.
Background
The Seal 08 was officially unveiled at BYD’s Blade Battery 2.0 event on March 5. Built on an 800V high-voltage platform, the flagship sedan incorporates BYD’s second-generation Blade Battery, expected to deliver a pure electric range exceeding 1000km. The vehicle also features megawatt-level flash charging technology capable of replenishing 400km of range in 5 minutes.
Advanced chassis technologies include rear-wheel steering for enhanced manoeuvrability and the DiSus-A intelligent body control system. A LiDAR unit mounted on the roof supports BYD’s God’s Eye B (DiPilot 300) intelligent driving system.
The Seal 08 is part of BYD’s “Ocean 8 Series Dual Flagship” lineup, which also includes the Sealion 08 SUV. Both models were announced in December 2025. The Seal 08 was first unveiled at BYD’s Blade Battery 2.0 event and has now been declared, while the Sealion 08 remains mysterious under camouflage.
