What are some alternatives?
When comparing Accubattery and Wattagio, you can also consider the following products
BatteryCare - BatteryCare - Application and good practice guide for maintaining and optimizing the battery of the modern laptop
Battery Health - FIPLAB is an award winning application development studio in London that specialises in creating intrinsically viral, high quality iPhone, iPad, Mac and Windows 8 applications.
BatteryBar - Track battery life with BatteryBar and BatteryBar Pro for Windows. Statistical calculations on past usage give BatteryBar increased accuracy.
Die With Me - Chat with strangers when you have less than 5% battery
BatteryMon - BatteryMon is a battery monitoring software solution.
GSam Battery Monitor - Monitor your android devices battery usage.