Which RAV4 battery are you dealing with?
| 12-volt battery | High-voltage battery | |
|---|---|---|
| Petrol: 2.0-litre, or Edge 2.5-litre | Yes | No |
| Hybrid: 2.5-litre, sold since 2019 | Yes | Yes |
| Plug-in hybrid: sixth generation | Yes | Yes, charged from the wall as well |
When the RAV4 won't start
Dash lights on but no crank? CarsGuide's answer for a 2005 RAV4 was that a flat battery is the most common cause, with loose terminals worth checking too. That's sound on most years. A hybrid behaves differently, since it doesn't crank a starter the same way, but a weak 12-volt still stops it switching on.
Any modern car draws a little power while it's parked. If yours sits for weeks at a time, the 12-volt runs down faster. Our flat battery page covers the safe way to get going again.
Toyota RAV4 hybrid battery replacement
The fifth-generation RAV4 went on sale here on 8 May 2019, in GX, GXL, Cruiser and Edge grades. Toyota's world range of that car used either a 1.6 kWh nickel-metal hydride pack or a 0.9 kWh lithium-ion pack, so a mechanic needs to identify yours before ordering anything. Don't trust a parts listing that doesn't ask for the VIN.
The job itself means making the high-voltage system safe, removing the pack, fitting the new one, and running checks after. What makes it bigger or smaller: the generation, new or reconditioned, and whether cooling fans or wiring need attention at the same time. A good written estimate says exactly which pack and what warranty sits behind it.
The orange cables and the pack are dangerous. Leave them alone.
Warranty and servicing a RAV4
CarsGuide's summary of Toyota Warranty Advantage says five years with unlimited kilometres, seven on the engine and driveline, and up to 10 on the hybrid battery, when the car's properly serviced and maintained per its Warranty and Service book. Don't assume where that servicing must happen. Read your own book, and ask Toyota in writing if it isn't clear.
Toyota's petrol hybrids are on 12-month or 15,000 km intervals. Older and petrol RAV4s can differ, so their books decide. A qualified independent mechanic working to Toyota's schedule and specifications doesn't by itself void the new car warranty.
Recalls
CarsGuide reported 5,925 2026 RAV4 plug-in hybrids recalled in October 2026, over a possible motor/generator fault that can cause loss of power while driving. If that's your car, don't wait for the letter: check your VIN on vehiclerecalls.gov.au. A local mechanic who specialises in your car.
If we owned this RAV4
We'd test the 12-volt first, since that's the simple fix, and have the hybrid system scanned at the same visit. If someone says the big battery has gone, ask to see the readings. And before you pay for a replacement, read the Warranty and Service Book, because the car might still be covered.