https://www.opera.com/features/battery-saver
Battery Saver | Extend your laptop battery life | Opera
Want to make your laptop’s battery last longer? The built-in Battery Saver feature in the Opera browser extends your battery life up to an hour longer when...
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https://www.avast.com/battery-saver-for-windows
Battery Saver for Windows 10, 8, 8.1 and 7 | Avast
Boost your laptop's battery life and reduce power consumption by 32% with a single click. Download Avast Battery Saver for free to get more from your device.
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