NotiSysinfo Lite

NotiSysinfo - System Information in the notification drawer

This is the Lite verison of NotiSysinfo.
NotiSysinfo (Notification System Information) is a small system monitoring background service. It displays system information as a notification, thus you can check your device's RAM, storage, battery usage whenever you want, without starting any application.

The notification is customizable and can display the following information:
• RAM information (total, free, used)
• Two configurable storage information panels (eg: internal storage and SD card)
• Battery info (battery level, temeprature, voltage)

You can customize the color of the usage bars.

Get the Pro version for more features and customization:
• CPU information panel: usage, frequency per cores
• Customizable collapsed view
• Customizable notification icon:
• RAM free or used percentage
• CPU usage percentage
• Storage free or used percentage
• Battery level
• 10 different bar colors
• 30+ different background colors and styles for your SysInfo notification

Review on XDA devlopers:
Get Information about System Resources with NotiSysInfo
http://www.xda-developers.com/android/get-information-about-system-resources-with-notisysinfo/