BYD Sealion 7 battery and charging repair

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BYD Sealion 7

This page outlines information regarding the traction battery and charging system on the BYD Sealion 7. The Sealion 7 is a fully electric vehicle equipped with a Blade LFP traction battery. High-voltage components must not be opened by owners. Confirm with an authorised BYD dealer / service centre for diagnosis. BYD’s own procedure applies to all high-voltage work. Check your owner’s manual for safe operating instructions.

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BYD Sealion 7 battery repair

The vehicle uses a traction battery integrated via Cell-to-Body architecture. A BYD Sealion 7 battery repair is dealer-only work. The system operates at a high voltage, and the orange cables present a severe safety risk. If you notice warning lights or a sudden drop in range, read the dashboard message and the owner’s manual. Book a diagnostic with an authorised BYD dealer.

BYD Sealion 7 charging port repair

The charging port allows the vehicle to connect to AC and DC chargers. A physical inspection can identify debris or damage. A BYD Sealion 7 charging port repair must be performed by a qualified technician. If the vehicle fails to accept a charge, check the cable and try another charging station. If the fault persists, contact a dealer.

Safety Precautions

High-voltage components must not be opened by owners. BYD’s own procedure applies to all maintenance tasks. Book a diagnostic with an authorised BYD dealer.

Frequently asked questions

Can I open the high-voltage battery casing?

No. High-voltage components must not be opened by owners.

What should I check if the car will not charge?

Check the cable, ensure it is firmly connected, and check the charging station display. Read the dashboard message and the owner’s manual.

Are battery repairs covered by the warranty?

The traction battery is covered by a specific warranty. Confirm with an authorised BYD dealer / service centre for exact terms and conditions.

Is it safe to touch the orange cables?

No. The orange cables carry high voltage and are highly dangerous.

What charging port is used?

The vehicle is equipped with a CCS2 charging port for DC fast charging.

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