What are some alternatives?
When comparing BattStat and coconutBattery, you can also consider the following products
GSam Battery Monitor - Monitor your android devices battery usage.
Accubattery - Monitor's battery capacity through the use of science
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.
Last Real Shutdown - Last Windows Real Shutdown!