Nokia E90 cell phone review - Battery Life
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Mark Brezinski Published on September 17, 2007 Comment on this |
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Call Time (9.34)
To test how much call time you can expect out of your phone's battery, we set up a never-ending phone call using Skype. We then play an audio book over both ends with intermittent pauses in order to simulate conversation.
We found the E90 lasted 3 hours and 41 minutes under the stress of constant calling. This is rather low, especially for a business device. This reduces the E90's functionality somewhat, as you'll often need to leave it charging if you make a lot of calls.
Correction: In writing this review we mistakenly used the battery result from another handset, the Nokia E90 actually lasted 7 hours 47 minutes in our talk time test which is a very good score for a phone. This is likely due to the large battery the E90 ships with and the fact that it is not using the battery hungry 3G network in the United States. Those using 3G networks in Europe or Asia can expect the E90 to do slightly worse than this.
| Cell Phone | Talk Time | Score |
| Nokia E90 | 7 hours, 47 minutes | 9.34 |
| HTC Mogul | 5 hours, 30 minutes | 6.60 |
| BlackBerry 8800 | 8 hours, 50 minutes | 10.60 |
| Nokia N95 | 5 hours, 43 minutes | 6.86 |
| Helio Ocean | 4 hours, 7 minutes | 4.94 |
| Apple iPhone | 7 hours, 4 minutes | 8.48 |
Music Playback (7.16)
The E90 managed an average music playback of 8 hours and 46 minutes. It should be enough to keep you entertained on most flights, but isn't as good as some other phones. If you were looking for the best music experience, however, you wouldn't have bought the E90.
Correction: As with our call time test we used the incorrect phone's score for this section. The Nokia E90 lasted 9 hours 57 minutes in our music playback test, which is slightly better than the original time we reported. Almost 10 hours of music playback time is a very good time and should make it possible for most users to use the E90 as their principal music player.
| Cell Phone | Music Playback Time | Score |
| Nokia E90 | 9 hours, 57 minutes | 7.16 |
| HTC Mogul | 11 hours, 13 minutes | 8.08 |
| BlackBerry 8800 | 9 hours, 47 minutes | 7.04 |
| Nokia N95 | 5 hours, 40 minutes | 4.08 |
| Helio Ocean | 8 hours, 9 minutes | 5.87 |
| Apple iPhone | 10 hours, 46 minutes | 7.75 |
Web Browsing (12.68)
To test the effects of Web browsing on the battery, we direct the phone to our test site, which constantly refreshes every 10 seconds. Web browsing is really straining on a phone's battery. Apparently, the E90 didn't know this, as it breezed through 10 hours and 34 minutes of constantly refreshing Web pages. That's a great time, making the E90 very suitable for those who need to do a lot of online work on the road. However, this is partly due to the fact that the E90 only supports EDGE in the U.S., which takes less power than the faster EVDO or HSDPA connection other phones use. Our only problem was that after five hours, the E90's browser had a tendency to crash, so we restarted the browser several times during out test.
| Cell Phone | Browsing Time | Score |
| Nokia E90 | 10 hours, 34 minutes | 12.68 |
| HTC Mogul | 4 hours, 28 minutes | 5.36 |
| BlackBerry 8800 | 9 hours, 3 minutes | 10.86 |
| Nokia N95 | 6 hours, 8 minutes | 7.36 |
| Helio Ocean | 6 hours, 19 minutes | 5.18 |
| Apple iPhone | 5 hours, 13 minutes | 6.26 |
Idle Time unscored
For the sake of releasing reviews in a timely fashion, we don't test idle time. Most phones claim they can last for a week or more if you let them sit, so compiling a set of trials could take months. As such, we don't score in this category. Nokia claims your E90 can idle for two weeks.
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