The life of the battery is usually calculated by the times of full-charge and discharge. The lithium battery is 400 to 500 times. You do not worry about the increase of the cycle count when you charge the power available battery, because it will only be increased by one time when your Acer Extensa 15 EX215-51-51GZ laptop battery is getting fully charged and discharged.

Our Acer Extensa 15 EX215-51-51GZ replacement laptop batteries are all new. The old or refurbished battery will not be allowed to sell to consumers. Your safety can be guaranteed by the best battery cells and elements we employed.

We do not recommend removing the battery to prevent the ongoing computer data from being lost due to a sudden interruption of the AC power. If removed, we recommend wrapping the battery for Acer Extensa 15 EX215-51-51GZ in plastic wrap and placing it in a cool, dry place. Remember to at least once charging a month to avoid loss of battery activity.

There are few differences except that our battery has no brand label. All rechargeable batteries available at Nzbattery.co.nz are original manufacturers' backup batteries. They use the same smart chips and cells as original's, so the performance and compatibility of Acer Extensa 15 EX215-51-51GZ battery are similar or even better than the original rechargeable battery. This will deduct the brand premium while maintaining quality. Many consumers think that the performance of the original battery is better. In fact, many branded laptop batteries are also manufactured by components from third parties (such as Samsung, LG, etc.). Just as the laptop CPU is not developed by a brand computer company itself.