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The Definitive Better Battery Life Guide, Part 1
Posted by Anton D. Nagy
September 1st, 2008 at 12:15 AM
Here are some general tips for improving your Windows Mobile Professional device’s battery life, allowing you to gain some more power and minutes, maybe hours, between charging cycles. These tricks do not involve any special skills and are not referring to deep changes, are just some easy usability tricks.
# Go to Start, Settings, Personal, Phone, Band and select “GSM” network in the first box plus your provider’s frequency. Leaving everything to auto makes your device periodically search for available UMTS signal and frequencies, thus draining your battery faster by constant Radio (signal) search
# Go to Start, Settings, Connections, Beam and Uncheck “Receive all incoming beams”. Leaving the box checked will make your device stand by for any beam activity (For explanation on the term “beam”, please read the OBEX Inbox article)
# Go to Start, Settings, Connections, Bluetooth and disable Bluetooth. Leaving your Bluetooth turned on will make your Bluetooth hardware constantly drain some valuable battery
# Go to Start, Settings, System, Screen (Start, Settings, System, Power or Start, Settings, System, Backlight on some devices) and set the lowest timeout in seconds for backlight. This way you save some battery power having your device’s backlight turn off instead of being prolong active.
# While you are there, adjust backlight intensity while on battery according to your needs. Keeping backlight at its maximum level consumes more power.
We’re following-up on our battery life improvement tips with Part 2 of The Definitive Better Battery Life Guide for Windows Mobile Professional devices. Again, these tricks do not involve any special skills and are not referring to deep changes, are just some easy usability tricks.
# Go to Start, Settings, System, Power and set the lowest timeout in seconds for device Turn off. This way you save some battery power having your device go to sleep when you no longer use it after that period of time.
# Turn off your Data connections. Being constantly connected to your data connection (either G, E or 3G) increases battery usage even if you are not actually sending or receiving data through it, because it keeps your radio and device active.
# It is always a good practice to check for running applications, services and processes in the background, as well as really closing applications instead of having Windows default minimize behavior. Some of these might really drain the memory while being active in the background.
# For those devices that have a Light sensor and a G Sensor (like Diamond and Raphael), it is a good practice to increase the polling interval of these sensors (you can do it with the already reviewed schaps’ Advanced Configuration Tool v.3) to 0.5 – 1 second. Constantly polling sensors increases battery usage.
# Some other steps you can take is keeping your devices up to date with Manufacturer’s updates. These usually include newer build, optimized drivers and Radio updates (not as is FM Radio, but the Hardware part of the device responsible with communications: GSM, UMTS, Bluetooth, WiFi, GPS, etc.)
# Connect your devices to a charger (wall or USB) whenever you have the opportunity. Li-Ion batteries, unlike NiCd batteries, perform best when they are frequently charged.
