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The Ultimate power plan is best used for applications making extensive calculations or read/write operations. SEE: Windows 10: Lists of vocal commands for speech recognition and dictation (free PDF) (TechRepublic) A battery that normally lasts four hours may barely make it to two hours. The normal steps Windows 10 takes to save a battery's charge are going to be off completely. Be careful when choosing to run under the Ultimate power plan, particularly if you are operating a laptop on its battery.
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