BYD Sealion 6 Battery Care Guide Phuket

The BYD Sealion 6 (2024+) is a popular PHEV SUV in Thailand, featuring an LFP Blade Battery with 18.3 kWh capacity in the DM-i system, offering approximately 100 km of pure electric range. But how does PHEV battery care differ from pure EVs? This article has the answers.

I’ve met many customers who are confused about the difference between EV and PHEV battery care. In reality, the Sealion 6 uses a much smaller battery than the Atto 3, but there are usage techniques you should know to maximize battery lifespan.

Why Sealion 6 Battery is Perfect for Thailand

The BYD Sealion 6 uses LFP (Lithium Iron Phosphate) Blade Battery in the DM-i (Dual Mode intelligent) system, which is a PHEV designed primarily for electric driving.

Highlights of LFP Blade Battery in Sealion 6:

• Won’t catch fire even when pierced
• 3,000+ charge cycle lifespan
• 8-10 years of use
• Fast AC charging at 3.3 kW, full in 5-6 hours

Sealion 6 Battery Specs:

• Capacity: 18.3 kWh (DM-i)
• Pure electric range: ~100 km (NEDC)
• Combined range (gas + electric): ~1,200 km

How to Check if Sealion 6 Battery is Degraded

Check via Car Screen:

• Go to Vehicle → Battery menu
• Check State of Health (SOH)
• Normal should be 95-100%
• Below 80% is considered degraded

Observe from Usage:

• Significantly reduced electric range
• Full charge provides less distance
• Check if used for 5+ years

Sealion 6 Battery Warranty:

• 8 years or 160,000 km warranty
• If SOH drops below 70% during warranty, free replacement

How to Charge Sealion 6 for Longer Battery Life

Daily Charging:

• Charge to 80-90% is enough
• Don’t need to charge 100% every day
• If not using car long-term, keep at 50-60%

Avoid:

• Charging 100% every day
• Letting battery drop below 10% frequently
• Parking in direct sun while charging

AC Home Charging:

• Use the included 3.3 kW Wall Box
• Full charge takes about 5-6 hours
• Recommend charging every night for heavy use

Proper PHEV Usage:

• Set EV Mode as primary for city driving
• Use HEV Mode for long distances
• Daily charging is most economical

Where to Replace Sealion 6 Battery if Degraded

BYD Service Center:

• Can replace at any BYD service center nationwide
• Expensive but has warranty
• Need to book in advance

EV Garage Phuket:

• EV Phuket offers EV battery inspection services
• Free SOH measurement
• Usage consultation

Sealion 6 Battery Prices (Estimated):

• 18.3 kWh battery: ~฿80,000-120,000

Note: EV battery prices drop every year, may be much cheaper in 5 years

Common Sealion 6 Battery Problems

Battery hot while charging:

• Normal when AC charging for extended periods
• Cooling system working
• If abnormally hot, stop charging

Slower charging:

• May be because battery is nearly full
• Or charging cable has problems
• Try changing outlets

SOH dropping fast:

• Normal for SOH to drop faster in first 2-3 years
• Will stabilize after that
• If drops below 90% in 1 year, claim at service center

Our Service

EV Phuket has equipment to inspect EV batteries and provide consultation for BYD Sealion 6 usage. If you have battery problems or need SOH check, please contact us.

Contact EV Phuket

Phone: 098-168-9907 LINE: @evphuket