Samsung R700-Aura T5750 NP-R700 Mode, Enable, Battery Life, Battery Normal, Extension Mode, Advanced > Battery Life Cycle Extension

Battery Normal	This mode maintains 100% of the battery charge when using the
	computer on AC power. In this case, although the battery use time
Mode
	increases, the battery life is reduced.
Battery Life	This mode maintains 80% of the battery charge when using the
	computer on AC power. In this case, although the battery use time
Extension Mode
	decreases, the battery life is extended.

Press the F2 key when the Samsung logo appears in the booting sequence to enter the BIOS Setup, select Advanced > Battery Life Cycle Extension, and set it to Enable. Then you can use the battery life cycle extension mode.

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