Which smartphone and tablet chargers work with which cables?
How much power is needed to charge smartphones and tablets.

Smartphones and Tablets

Smartphones and Tablets

Smartphone Charging Guide - Charge smartphones across all the standards.
Tablet Charging Guide - Charge tablets across all the standards.
How to keep Smartphones charged at work using only computers and cables.
Energy Efficiency options?

Energy Efficiency

Energy Efficiency eBook - 60 technologies reviewed - 54 best practices that can be applied for free.
Light Energy Calculator - Calculate the before and after costs for efficient lighting.
Appliance Energy Calculator - Calculate the running and standby costs for running appliances.
Hot Water Calculator - Calculate the before and after hot water costs using water efficient plumbing.
Compare running costs of petrol and electric cars