How to set my windows 7 Lenovo to best battery health (power policy)?

So I just checked my laptop battery:

Power Policy: Power Plan Personality (On Battery)
The personality of the current power plan when the system is on battery power.
PersonalityHigh Performance
Power Policy: Video Quality (On Battery)
Enables Windows Media Player to optimize for quality or power savings when playing video.
Quality ModeOptimize for Video Quality
Power Policy: Power Plan Personality (Plugged In)
The personality of the current power plan when the system is plugged in.
PersonalityHigh Performance
Power Policy: Video quality (Plugged In)
Enables Windows Media Player to optimize for quality or power savings when playing video.
Quality ModeOptimize for Video Quality

How do I change all of these to best battery health, instead of high performance?

Guest

Start>Control Panel>System and Security>Power Options(looks like a green battery with a cord wrapped around it)
>choose 'Power Saver' power plan or any other plans that optimize battery efficiency.

Mohammed