By Audrina Bigos

(CBS) – Apple intentionally slowed down older iPhone models to save battery life.

But does that mean your battery needs to be replaced?

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CBS 2’s Audrina Bigos reports.

Kevin Wright with Experimac in Chicago cautions consumers against wasting the time or money for a new battery until you know you need one.

Even if your battery is fully charged, the capacity is what you should pay attention to.

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You can check your battery’s capacity yourself by downloading a battery life app.

His company will replace batteries for $25. After criticism, Apple dropped the price of a new battery from $79 to $29.

Apple says it’s going to release a new upgrade early this year that will give you the chance to monitor the health of your battery.

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The company says you’ll be able to see if the battery’s condition is affecting performance.