What are some alternatives?
When comparing BattStat and GSam Battery Monitor, you can also consider the following products
BatteryBar - Track battery life with BatteryBar and BatteryBar Pro for Windows. Statistical calculations on past usage give BatteryBar increased accuracy.
BatteryCare - BatteryCare - Application and good practice guide for maintaining and optimizing the battery of the modern laptop
BatteryMon - BatteryMon is a battery monitoring software solution.
Accubattery - Monitor's battery capacity through the use of science
Last Real Shutdown - Last Windows Real Shutdown!
Ruler - It's a screen ruler for Windows.