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Parts for your 2012 Lexus Is-Batteries

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NOCO Genius 6/12V 10A Battery Charger  - GENIUS10AU

NOCO Genius 6/12V 10A Battery Charger - GENIUS10AU

$250
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CTEK Battery Charger 12v 3.8 Amp 7 Stage - MXS3.8

CTEK Battery Charger 12v 3.8 Amp 7 Stage - MXS3.8

$209
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Explore 4WD & Adventure

Projecta Pro-Charge Battery Charger - 12V 8A - PC800

Projecta Pro-Charge Battery Charger - 12V 8A - PC800

$229
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Repco 1.5A Smart battery Charger & Maintainer - RBC1.5A

Repco 1.5A Smart battery Charger & Maintainer - RBC1.5A

$75
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Repco 3A Smart Battery Charger & Maintainer - RBC3A

Repco 3A Smart Battery Charger & Maintainer - RBC3A

$145
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Repco 25A High Frequency Battery Charger - RBC25A

Repco 25A High Frequency Battery Charger - RBC25A

$379
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NOCO Genius 6v/12v 2A Battery Charger - GENIUS2AU

NOCO Genius 6v/12v 2A Battery Charger - GENIUS2AU

$110
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CTEK Battery Charger 12v 10 Amp 8 Stage - MXS10

CTEK Battery Charger 12v 10 Amp 8 Stage - MXS10

$450
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Repco 16A High Frequency Battery Charger - RBC16A

Repco 16A High Frequency Battery Charger - RBC16A

$324
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Battery Charger 2.5Amp 12V - PTC12V2.5A

Battery Charger 2.5Amp 12V - PTC12V2.5A

$94
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CTEK 5A Compact Battery Charger NXT 5 - 40-663

CTEK 5A Compact Battery Charger NXT 5 - 40-663

$219
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CTEK Battery Sense Bluetooth Battery Monitor - 40-149

CTEK Battery Sense Bluetooth Battery Monitor - 40-149

$220
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Projecta Pro-Charge Battery Charger - 12V 4A - PC400

Projecta Pro-Charge Battery Charger - 12V 4A - PC400

$169
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CTEK Battery Charger 12v 0.8 Amp 6 Stage - XS0.8

CTEK Battery Charger 12v 0.8 Amp 6 Stage - XS0.8

$139
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NOCO Genius 1A Battery Charger - GENIUS1AU

NOCO Genius 1A Battery Charger - GENIUS1AU

$211
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BATTERY SMART CHARGER 3 STAGE 4A - PTC12V4A

BATTERY SMART CHARGER 3 STAGE 4A - PTC12V4A

$100
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NOCO Genius 8A 4-Bank Battery Charger - GENIUS2X4

NOCO Genius 8A 4-Bank Battery Charger - GENIUS2X4

$439
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CTEK Battery Charger Eye Terminals M6 - 56-260

CTEK Battery Charger Eye Terminals M6 - 56-260

$31
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Powertrain 20A Battery Charger - PTC20AL

Powertrain 20A Battery Charger - PTC20AL

$337
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Projecta Battery Charger 6v/12v/24v 21 Amp - HDBC35

Projecta Battery Charger 6v/12v/24v 21 Amp - HDBC35

$1,213
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CTEK Battery Charger 12v/24v 20/40 Amp 8 Stage - MXTS40

CTEK Battery Charger 12v/24v 20/40 Amp 8 Stage - MXTS40

$1,749
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Matson Battery Charger 6v/12v/24v 20 Amp - IR61224

Matson Battery Charger 6v/12v/24v 20 Amp - IR61224

$714
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Showing 1 - 39 of 82 products

Batteries on the 2012 Lexus IS: What You Need to Know

The 2012 Lexus IS comes equipped with a traditional car battery, which plays a crucial role in the vehicle's operation. Like most petrol-powered vehicles, the battery in the Lexus IS is essential for starting the engine, powering electrical components, and ensuring smooth functionality of the car's systems. Despite advances in automotive technology, batteries are still a necessary component for this model and remain a central part of routine maintenance.

The battery in the 2012 Lexus IS is a standard 12-volt lead-acid type, designed to provide the initial burst of power needed to crank the engine. Without it, the car simply would not start. This component also supplies power to the electrical systems when the engine is off, such as the clock, alarm, and electronic memory functions. Once the engine is running, the alternator takes over providing electricity and recharging the battery to keep everything working seamlessly.

Because the battery is so important, it's a part that deserves some regular attention and care. Over time, batteries naturally lose their ability to hold a charge, especially in Australian climates that can swing between hot summers and cooler winters. Heat in particular can accelerate battery wear and reduce lifespan. That's why it's a good idea to check the battery during servicing intervals, even if there are no immediate signs of trouble.

Simple maintenance checks can help extend the life of the battery. These include:

  • Checking for corrosion on the terminals, which can disrupt the power flow and make starting difficult.
  • Ensuring the battery is securely fastened to prevent damage from vibrations while driving.
  • Looking for any fluid leaks or swelling that might indicate the battery is failing internally.

When it comes time to replace the battery, there are a few key things to keep in mind. Not all car batteries are made equal, so choosing one that matches the size and power requirements of the Lexus IS is essential. A battery with insufficient capacity might struggle to start the vehicle, especially during colder or more demanding conditions.

Many owners will opt for a maintenance-free battery, which is popular for its convenience. These batteries don't require topping up with distilled water, making them a low-fuss option for everyday use. Still, even maintenance-free batteries need regular checks and testing to make sure they're performing as expected.

Battery replacement is straightforward but should always be done carefully to avoid electrical issues. Disconnecting the negative terminal first helps prevent short circuits and damage. It's also a good chance to clean the terminals and cable connectors before attaching the new battery. After installation, resetting the vehicle's electronic systems might be necessary, as some features rely on uninterrupted power to maintain settings.

For peace of mind, many mechanics recommend having the battery tested annually, particularly if the vehicle is used in hot regions or has frequent short trips that don't allow the alternator enough time to fully charge the battery. If the battery is older than three to five years, it's a smart move to have it tested even more regularly.

In a nutshell, batteries are very much relevant to the 2012 Lexus IS and are integral to its everyday operation. Keeping the battery in good condition not only ensures the car starts reliably but also helps maintain the overall health of the vehicle's electrical systems. A little bit of attention during routine servicing can save headaches down the track and keep the Lexus IS running smoothly for years to come.