Signs Your Hybrid Battery Needs To Be Changed

Signs Your Hybrid Battery Needs To Be Changed | I-70 Auto Service

The hybrid battery is the heart that keeps your eco-friendly road companion gliding smoothly on the road. But what happens when this heart starts to lose its beat? Unlike traditional cars, hybrids whisper their problems in subtle notes. 

1. Decreased Fuel Efficiency 

Your hybrid's fuel efficiency is its pride, but when the hybrid battery begins to fail, this efficiency can drop noticeably. If you find yourself visiting the gas station more frequently, despite your driving habits remaining constant, your battery might be hinting at retirement.

2. Irregular Battery Charge Fluctuations 

A healthy hybrid battery maintains its charge level consistently. However, if you notice erratic charge levels, swinging wildly from high to low without apparent reason, it's a clear signal that the battery is struggling to hold and distribute charge as it should.

3. Reduced Performance and Power 

When your hybrid battery starts to falter, so does your car's performance. If you sense a noticeable dip in your vehicle’s acceleration or overall power, it could be the battery not providing the necessary juice to the electric motor.

4. The Check Engine Light Illuminates 

Ah, the dreaded check engine light - a universal sign that something's amiss. In hybrids, this light can also indicate issues with the hybrid battery system. Don't ignore this luminous messenger; it's time for a professional check-up.

5. Strange Noises from the Battery Area 

Unusual sounds emanating from the battery area are not to be dismissed. Buzzing, clicking, or humming noises can be telltale signs of a battery that's on its last legs. These sounds often indicate internal issues within the battery cells.

6. The Battery's Age 

Hybrid batteries don’t run on infinity. Typically, they have a lifespan of about 8 to 10 years. If your battery is hitting this age bracket, it's wise to start considering a replacement, even if the other signs aren’t blatantly obvious.

How To Take Care Of Your Hybrid Battery 

Regular Professional Check-ups

Just like you need regular health check-ups, so does your hybrid battery. Schedule routine diagnostic tests at a certified hybrid repair shop. These diagnostics can spot potential issues before they turn into major problems.

Maintain Optimal Charging Habits

Avoid letting your battery drain completely or charging it to 100% all the time. Instead, aim to keep the battery charge between 40% and 80%. This practice helps in reducing the stress on the battery cells, thereby extending its life.

Keep Your Hybrid in a Temperature-Controlled Environment

Extreme temperatures, both hot and cold, can negatively impact your battery's performance and longevity. Whenever possible, park your hybrid in a garage or shaded area to protect it from temperature extremes.

Drive Smoothly

Aggressive driving habits such as rapid acceleration and hard braking can strain your hybrid battery. Adopt a smoother driving style to reduce the load on the battery. This means gentle accelerations and utilizing regenerative braking features effectively.

Minimize Long Periods of Inactivity

If you're planning to not use your hybrid for an extended period, it's important to maintain the battery. Ideally, drive your hybrid at least once every two weeks to keep the battery in good condition.

Avoid Unnecessary Weight

Extra weight in your vehicle forces the battery to work harder. Keep your car free of unnecessary items that add weight and strain to your battery.

Stay Updated with Software Updates

Modern hybrids come with software that manages battery performance. Ensure your vehicle's software is up-to-date, as manufacturers often release updates that optimize battery life and performance.

Understand Your Battery's Cooling System

Some hybrid models come with a cooling system for the battery. Familiarize yourself with it and ensure it's functioning correctly, as overheating can significantly degrade your battery's health.


For all of your hybrid vehicle maintenance and repairs, contact I-70 Auto Service. We work on various models, so don't hesitate to call.