SGCarPassBattery WhatsApp Us

Toyota Prius Battery Replacement — Singapore

2012–2022 · Genuine Amaron

Recommended Batteries

EFBRecommended

Amaron EFB Q85

Replaces 100D23L

560 CCA · 55Ah

⚠ Required for Start-Stop system — standard battery will fail prematurely

$220

incl. GST · battery only

Prices subject to change. WhatsApp us for latest availability.

What Toyota Prius owners in Singapore should know

Singapore's year-round heat and humidity are unusually harsh on car batteries. The average battery lifespan here is 2–3 years — significantly shorter than the 4–5 years typical in cooler climates. If your Toyota Prius is showing any of the symptoms below, your battery may be due for a check:

  • Engine cranks slowly, especially in the morning
  • Headlights dim when the engine is idling
  • Battery warning light appears on the dashboard
  • Battery is more than 3 years old
  • Car needed a jump-start in the past few months

Important: The Toyota Prius is equipped with a Start-Stop system. This requires a purpose-built EFB battery. Fitting a standard lead-acid battery will cause premature failure and may trigger warning lights. Always replace with the correct type.

Why Amaron for your Toyota Prius?

Built for heat

Amaron batteries use Silven-X alloy plates specifically designed to handle tropical temperatures above 35°C.

Zero maintenance

Sealed maintenance-free design. No topping up, no corrosion checks. Fit and forget.

Manufacturer warranty

Backed by Amaron's regional warranty. Defective units are replaced, not repaired.

Frequently Asked Questions

What battery does the Toyota Prius need replacing? +
The Toyota Prius has two batteries: the large high-voltage traction battery (for the electric motor) and a small 12V auxiliary battery. This page covers the 12V auxiliary battery, which commonly needs replacing after 2–3 years. The 12V battery on the Prius (2012–2022) is the Amaron EFB Q85 (560 CCA, 55Ah). The traction battery is a separate system and is not covered here.
How do I know if my Toyota Prius needs a new 12V battery or traction battery? +
If your Prius will not enter 'Ready' mode and shows a red triangle warning, the 12V auxiliary battery is the first thing to check — it is the more common failure. If the car starts but hybrid performance has degraded or fuel economy has dropped significantly over months, that may indicate traction battery wear. For 12V battery replacement, we can help. Traction battery issues require a Toyota hybrid specialist.
How long does the Toyota Prius 12V battery last in Singapore? +
The Toyota Prius 12V auxiliary battery typically lasts 2–3 years in Singapore. The EFB Q85 is specified because the Prius 12V battery also powers the startup sequence for the hybrid system, making reliability critical. A failing 12V battery often presents as the car not entering 'Ready' mode, even though the traction battery is fine.
How much does a Toyota Prius 12V battery replacement cost in Singapore? +
The Amaron EFB Q85 for the Toyota Prius 12V auxiliary battery is priced at $220 including GST. Workshop installation is typically $15–25. Total cost is usually $235–245.

Ready to replace your battery?

WhatsApp us — we'll confirm the right battery for your exact car and connect you with a nearby workshop.

WhatsApp for Price & Availability

More Toyota models

ViosCorolla AltisCamryEstimaAlphardVellfireHarrierWish

Workshop or mechanic?

If the battery listed above does not match what you see on a Toyota Prius in your workshop, send us a photo of the correct battery label via WhatsApp. We'll update this page, and your workshop gets credited — giving the next owner of this car model a reason to find you.

Report correct spec via WhatsApp