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BYD shuts down rumors of testing a Seal EV with solid-state batteries for +1,100 miles (electrek.co)
submitted 4 days ago by cron@feddit.org to c/electricvehicles@slrpnk.net
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The rumors claimed BYD’s solid-state batteries have an energy density of 400 Wh/kg, or nearly twice that of current lithium-ion batteries.

The report also stated that BYD’s solid-state EV batteries set a record by gaining a 1,500 km (932 miles) range in just 12 minutes of charging.

According to the report, the test charged the battery to only 80%, claiming the total EV range could reach upwards of 1,875 km (1,165 miles).

BYD did not confirm anything of this report, so take it as a rumor for now. Still this sounds pretty impressive to me.

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[-] cron@feddit.org 7 points 4 days ago

By the way, the current BYD Seal has an 82.2 kWh battery and a CLTC range of up to 650 km. If the prototype truly achieves 1,875 km, it would imply a battery capacity of roughly 240 kWh—nearly three times the current pack size.

[-] Mihies@programming.dev 5 points 4 days ago

The density is twice as much, so only 50% more battery mass, not impossible.

this post was submitted on 24 Jun 2025
27 points (100.0% liked)

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