Like we already concluded in our detailed review, the T-Mobile exclusive Nokia Lumia 810 has identical internals to the Lumia 820, save for its larger 1800mAh battery. Naturally, our battery test was the best way to determine how much further the extra 150mAh of juice which the Lumia 810 packs can take you.
As always, we take a look at the talk time performance first. Here, the Nokia Lumia 810 managed 9 hours and 5 minutes, compared to the 820′s 7 hours and 9 minutes. This is a substantial increase over the 820′s talk time, which we attribute not only to the larger battery unit of the Lumia 810, but also the quality of the wireless network used for the test.
Talk time
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Motorola RAZR MAXX (ICS) 21:18
Samsung I9103 Galaxy R 9:40
HTC Sensation XL 9:30
Nokia Lumia 810 9:05
Nokia Lumia 710 9:05
Acer CloudMobile S500 9:05
Pantech Burst 4:46
The web browsing time of the Nokia Lumia 810 came even more impressive than we expected. With 8 hours and 20 minutes before giving up, the T-Mobile offering almost doubled the achievement of the Lumia 820, and came close to the top of our leaderboard.
Web browsing
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Apple iPhone 5 9:56
Apple iPad mini 9:05
Samsung Galaxy Note II N7100 8:48
Nokia Lumia 810 8:20
HTC One X+ 7:56
Samsung Galaxy S III mini 7:38
Samsung Galaxy Nexus 3:01
Video playback time of the Nokia Lumia 810 came at 6 hours and 26 minutes. This is only a minute better than the Lumia 820′s showcase.
Video playback
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Motorola RAZR MAXX (ICS) 16:35
Meizu MX 4-core 6:33
HTC Windows Phone 8X 6:27
Nokia Lumia 810 6:27
HTC Desire V 6:26
HTC One X (AT&T) 6:26
Nokia Lumia 710 3:27
The Nokia Lumia 810 for T-Mobile achieved an endurance rating of 48 hours in our battery test. This means that you will need to recharge your phone every two days should you use it for an hour each of telephony, web browsing, and video playback daily. More importantly, this endurance rating means that the Lumia 810 will easily make it through a full day of heavy use, which should be enough for most users.
Despite a marginally larger battery, the Nokia Lumia 810 offered a significantly better battery performance than its Lumia 820 sibling. For those of you torn between the two devices, this might be all you need to know to make your final decision.
