This gives them greater flexibility around which devices they use, whether that's using their tablet after their handset battery runs dry, keeping them connected on their PC when they've left their mobile at home or staying in touch when they are in an area with Wi-Fi but no mobile signal.
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Peeling off the thin, snap-on battery cover reveals a micro-SIM slot and a 1, 750mAh battery to keep the handset juiced.
The handset is equipped with a large battery (2, 520mAh), so the user can enjoy continuous use without fear of the battery running out quickly.
You also have to keep Bluetooth running on your smartphone, with the extra battery drain on the handset, which may be of concern to some users.
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The battery is sealed into the handset, and while it has a high capacity (2, 400 mAh), the screen along with the 4G LTE radios will place a lot of demand on the power source.
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But that is not a good enough rationale, because battery life on both the tablet and handset suffer.
The trio discovered that quickly connecting and disconnecting the battery of a frozen phone forced the handset into a vulnerable mode.
While it might not be the most powerful phone around, they think it might resound with business users who want a sexy handset but can sacrifice the multimedia and a bit of battery life.
In our moderate battery usage test, which consists of using a handset lightly from a full charge until it shuts down -- emailing, texting, checking social networks, making a few brief calls, taking some pictures, etc.
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It's not all bad: the removable cover offers up access to the battery, and this is also the first Windows Phone 8 handset to arrive with microSD expansion in tow (supporting cards as large as 64GB), meaning more leeway after you've filled up the 8 gigs of built-in space.
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Weighing in at roughly 160g (5.6 ounces) with a 2, 150mAh battery on board, the 8.9mm (0.35 inch) thick handset has an 8-megapixel main camera, a 1.3-megapixel shooter up front, and runs Android 4.1 Jelly Bean as standard.
After all those notorious fires related to the batteries used by the world's largest handset manufacturer, Nokia has issued a product advisory for the BL-5C, Nokia-branded battery.
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Also giving it a premium feel is the 2, 420mAh battery that, in addition to providing some decent talk time lends a satisfying heft to the handset.
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