BattClock shows Time and Battery percentage above the top bar.
Very small in memory: 1 Kb in memory (check it with a task manager)
No CPU usage: 0.00 % CPU usage, check it with a task manager)
Very small on disk: BattClock.exe 17 Kb on disk, BattClock
BLifePlugin - During its work Plugin gathers and aggregates the battery discharge statistics. Then it calculates the remaining work time with the current battery charge and current time of the day. The more days you use it the more accurate Plugin will tell you the remaining time
Battery Pack Pro- Battery life, memory space, network connection, world time, weather and more. Everything you need, displayed on your today screen. Battery Pack Pro allows you to fully customize your today screen with the things that matter most to you. Personalize the tab view by adding as many programs as you like and launch them with a single click
SmartMonitor - plug-in displays text representing different parameters of your phone such as battery life, temperature, storage space and available memory. You can also add icons representing any of these things as you see fit
SPBattMet is small utility displaying phone battery meter by thin colored line on top of the screen.
Battery meter line is displayed on both home screen view and applications view. Length of the colored part of the status line reflects battery charge while color means battery state - good/low/critical/charging
RadioOff - little application that will turn off the cellular radio during certain times of the day. The goal is that this will help preserve power and extend the life of the battery.
Copy the cab file to your device using ActiveSync and run the cab file locally on the device using the file manager. Once this is done you can run RadioOff from the start menu
