Nine ways to make your cell phone last the whole storm even if the power goes out
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Hurricane Sandy has begun hitting the east coast, but fortunately, cell phone access is available even when the power goes out.
Hurricane Sandy has been dumping rain on the US east coast for at least twelve hours, but high winds and days of rain are yet to come, so utilities are warning that tens of millions of people could be without power for days. Fortunately, cell phone access is often available even when the power goes out–here’s an amazing example from 2011′s epic floods in Australia.
Here’s an update of a post I wrote last year for Hurricane Irene on how to make sure you can stay connected through the one device that can summon emergency services and let you know when it’s safe to come out, even days after you’ve lost power.
1. Fully charge your laptop, and save that charge for your phone.
It’s easy to forget that our phones charge when they are plugged into our laptops via the USB port. This works even when your laptop is not connected to a power outlet. To get the most out of this trick, restart your laptop to kill all running applications and processes, dim the screen to nothing, and don’t use it for any other purpose. Just plug your phone in when the phone gets low on charge and allow it to parasitically drain your laptop’s (much larger) battery.
2. When the power goes out, turn off all the radios on your phone you’re not using: WiFi, Bluetooth, etc.
Your phone’s radios are the major drain on battery life. If you want to leave the phone connected to the cell network in case of emergency text messages or incoming calls, but you don’t need to browse the internet, turning off WiFi will preserve battery life, as will turning off the Bluetooth radio that the phone uses to communicate to headsets, keyboards and other accessories.
On an iPhone, these radios can be turned off on the “settings” screen: Here’s a short video depicting how to do that. Here are similar instructions for an Android device.
Put the phone in “Airplane mode” or turn it off entirely if you aren’t using it and aren’t anticipating incoming calls or texts.
3. Keep your phone plugged into a charger until the power goes out.
4. Turn off all “push” notifications on your phone.
News services and various apps send you “push” notifications that require your phone to power up just a bit in order to receive data from a remote location. Here’s how to switch them off in Android and on the iPhone. Turning all of these off will minimize the use of those battery-hogging radios. On an iPhone, you can also turn off “location services” which work in a similar way.
5. Restart your phone to kill all the apps that are running now.
This will assure that no unnecessary apps are running in the background, draining power by making the phone’s microprocessor do extra work.
(Image via CLIPAREA l Custom media/Shutterstock.com)