If you’re a recent convert to smartphones, you’re probably still discovering all the amazing things that your new BlackBerry, Android phone or iPhone can do. But one thing you most likely found out right away: the more you do, the shorter your phone’s battery lasts (Apple A1281 battery) .
While a standard cellphone’s charge can easily go three days or more, many smartphone owners are dismayed to learn that their new mobile toy requires charging every 24 hours, or even more often. It was great that I could use one device — my iPhone — to check my calendar and respond to multiple incoming calls during January’s Consumer Electronics Show, but I paid the price when its battery died at 2 p.m (Apple M9848LL/A battery) .
The answer was not to desperately search for an electrical outlet to recharge the phone (though I’ve done that) or to consider giving up the phone (done that, too), but rather to figure out a strategy to reduce energy consumption while still having it available for essential tasks. Whether you’re using a laptop or a smartphone, the devices can be tweaked to get the most out of its lithium-ion batteries (Dell Inspiron 6000 battery ) .
Reconsider Your Network
All things being equal, the C.D.M.A. mobile standard used by Verizon uses more power than a G.S.M. network, principally used by AT&T and T-Mobile. If battery life is critical, you might want to consider G.S.M. as long as its coverage meets your needs (Dell Inspiron E1505 battery).
Dim It
The brighter your screen, the more juice you’re using. If you’re in a dimly lit room, turn down your LCD screen’s brightness. If your device has an autodimming feature that detects the light in a room, use it. Similarly, if you use your smartphone or laptop to play music, lower the volume (Sony VGP-BPS8 battery) .
If you have a BlackBerry, the company’s holster will automatically turn off the screen when you insert the phone.
Stop Searching
It is great that you can use Bluetooth technology to connect your smartphone to a headset, or use Wi-Fi to speed up the downloading of e-mail messages. But when you’re not using that headset or not near a Wi-Fi hot spot, turn off those features on the phone or laptop (Sony Vaio VGN-FZ battery) .
The reason is that portable devices will continue to look for Wi-Fi or a Bluetooth headset, using power.
Similarly, put your phone to sleep when it is in standby. On an iPhone, you do so through the “Settings” icon. On a BlackBerry, use the “Manage Connections” icon (Sony VGP-BPL9 battery) .
Skip a Generation
Your smartphone is also continually looking for a cellphone signal. If you’re in a weak signal area, your phone must work even harder to find one, decreasing battery life. If you know that there is no coverage in your area, turn off your portable device’s mobile capabilities (Sony VGP-BPL11 battery) .
If your G.S.M. 3G network is not available or the signal is weak, the battery will drain faster looking for one. Consider turning off the phone’s 3G network or using the slower EDGE network instead. It will make Web access slower but won’t affect phone call quality (Sony VGP-BPL15 battery) .
Check Mail Manually
Mobile smartphones can check for e-mail messages and instant messages automatically. Or they can be set to “push” notifications as soon as they arrive in your server’s mailbox (Dell Latitude D620 battery) .
Both strategies can be power hogs. To increase your battery life, turn off push and increase the interval between when the phone checks for new messages. Or better, set up your phone to check for messages manually (HP Pavilion dv9000 battery) .
Turn Off Everything
The simplest way to cut power to a minimum is to put your smartphone into “airplane mode.” You turn your BlackBerry or iPhone into a music player and personal organizer, and you won’t be able to receive e-mail messages or make or receive phone calls, but you will stretch your battery (HP PAVILION DV9700t Battery) .
“In airplane mode and running just the alarm clock, your iPhone battery will last up to a week,” said Kyle Wiens, co-founder of ifixit.com, an online iPhone and Mac laptop repair company (IBM ThinkPad T41 battery) .
Disable the Animations
The hotter your laptop feels, the more battery power it is using. And one of the biggest users of power is Flash animation, the technology behind many online videos and animated ads. To improve battery life, disable Flash when not using wall power. BashFlash and ClicktoFlash for Macs and Flashblock for PC are programs that will automatically restrict Flash (Toshiba PA3399U-2BRS battery) .
Get an App to Aid You
There are a number of applications that can help monitor battery life and shut off various functions that cut down on a mobile device’s effective power (Toshiba PA3399U-2BAS Battery) .
Battery Go and myBatteryLife tell iPhone owners how much charge they have left and how that power translates into minutes of talk time, music, video and Web surfing.
NB BattStat alerts BlackBerry owners to the amount of battery charge remaining, as well as the battery’s temperature. (Hot batteries lose power more quickly.) The device can be set to vibrate or sound when a predetermined low battery level is reached (Dell Inspiron 6400 battery) .
Radio Saver will monitor your BlackBerry’s mobile coverage and shut off the device’s mobile circuitry when you are out of range of a cellular signal.
Best BatterySaver allows owners of mobile phones using the Symbian operating system (including models from Nokia and Sony Ericsson) to create battery-saving profiles. For example, certain features can be automatically turned on when the phone is connected to a wall plug, or Bluetooth can be automatically disconnected when the battery charge drops below a certain level (Dell Inspiron 6000 battery) .
For laptops, programs like Battery Health Monitor (Mac) and Laptop Battery Power Monitor (PC) keep track of battery charge and estimate how many more times you’ll be able to recharge your battery (Dell Inspiron 1420 battery) .
Realize the End Will Come
The older generation of nickel cadmium batteries suffered from memory issues; if you didn’t fully charge and discharge one, it would hold a progressively smaller amount of juice.
Today’s lithium-ion batteries don’t suffer from memory loss, so it is safe to top off a battery (HP 530 battery) .
Lithium-ion batteries cannot be overcharged; a device’s circuitry cuts off the power when they are full. However, manufacturers still recommend that a laptop not be continually connected to power once the battery is at its capacity. If a laptop won’t be used for several months, it should be stored with the battery in a 50 percent charge state (Dell Latitude E6400 battery) .
All batteries can be fully charged and discharged for a fixed number of cycles; lithium ion batteries typically last between 300 and 500 cycles. Information on the number of cycles can be obtained at manufacturers’ Web sites, or at www.daily-battery.com (SONY VGP-BPS8 battery).
No matter how well you husband your battery’s resources, there comes a time when you’ll need to send your battery to its final resting place (Dell INSPIRON 1525Battery) .
Like most things nearing the end of their life, your battery will stay awake less and sleep more. “If your battery lasts only an hour after you’ve charged it,” said Anthony Magnabosco, owner of Milliamp.com, a battery replacement company, “you know its time is up (Dell Inspiron E1505 Battery) .”
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