The HTC Desire (Froyo) Battery Test – A day without a charge: Episode 2: Froyo Vs Eclair

Back in April you may remember I tested out my HTC Desire’s battery to see how long it would last over a day or normal use without being charged. Well, today I’m going to re-visit this test and see whether the “battery performance” improvements in Froyo really work or not.

Welcome to the HTC Desire (Froyo) Battery Test: Episode 2: Froyo Vs Eclair

I am trying to keep the phone setup the same so have enabled the following settings (but will expand slightly on how the phone is configured):

Fully charged at 9am.
Screen: Medium brightness (auto brightness off)
WiFi: ON (Wireless N enabled but will not be used at work as we currently only have 802.11b/g)
Syncing: ON (2 Gmail accounts and FriendStream – see below)
Bluetooth: OFF
GPS: OFF
FriendStream: ON (Twitter updating every 15 minutes and Facebook every 1 hour)
Wallpaper: Set to Live as per the previous test but didn’t mention.
2G/3G Data: Enabled  with network mode set to automatic and data roaming enabled

To make things easy to compare I will put my previous results in square brackets so you can compare the ‘new’ to ‘old’ battery readings.

9:00 – 100% My Desire has a good feeling about today. 100% battery and Froyo says it’s ready for what I throw at it.

11:00 – 92% [87% previous test] remaining. So far I haven’t done a huge amount with the phone (I’ve actually had to do some work today!) but I did listen to Grooveshark during the walk to work and have sent a few text messages. So far so good! As you can see, when comparing it to my previous test, there is an extra 5% of battery remaining so this is great news.

13:00 88% [80% in previous test] More texts and a few photos of the ginger kitten who seems to have adopted me at work. Now walking into town with my music playing to get some food.

14:00 78% [75% in previous test] OK after a quick shop in town and walk back to work by battery has gone down by 10%. I was listening to music for around 40 minutes whilst e-mailing a few people and texting so it hasn’t done too badly. Also, Grooveshark does require a constant connection to their servers to verify you’re a VIP member. 3% up on my last test (but the phone has been used more over the hour.

17:00 60% [52% in previous test] Some quite heavy usage this afternoon. I even set my phone up as a Wi-Fi hotspot for 15 minutes or so which really drains the battery. When compared to my previous test earlier this year however you can see that we’re still 8% better off. So off home to see how much battery I have later this evening.

19:00 46% [Previous rating N/A] Still got just under half the battery juice left and the day is almost over. Have been using Last.fm quite a bit as well as e-mailing and texting people. Twidroyd has also been in use.

22:00 36% [34% in previous test] Wow my Desire is feeling tired now. Have done a lot of tweeting and some YouTube web browsing along with some tweeting. Over 3 hours however I’ve only lost 10% which isn’t bad at all. I’m still up 2% from my previous test even after all this strenuous work.

22:50 34% [27% in previous test] Right, well time to sign off for the night. Only a few texts and e-mails since the last update but you can see the the battery life is an impressive 7% higher than last time. It may not seem a lot but that 7% could be a life-saving phone call or emergency tweet! Upon working out the average, Froyo has improved battery performance by at least 7.2% over Eclair. I say this because I have used the phone a lot more than I did back then so the fact it has still ended up with more battery remaining is very impressive.

So in answer to the original question, yes, Froyo does improve battery life. In fact, I think it deserves its own little chart:

Froyo vs Eclair Battery Test

If you have any comments, questions or suggestions then let me know, tomorrow is another day and I know my HTC Desire will be with me throughout the whole thing 🙂

[Update] I thought I’d include my Battery Saving Tips video now you’ve read through this article. It’ll show you how to save even more power when using your phone

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6 Responses to “The HTC Desire (Froyo) Battery Test – A day without a charge: Episode 2: Froyo Vs Eclair”

  1. The HTC Desire battery test – A day without a charge « HTC Desire Fanatics Says:

    […] HTC Desire battery test – A day without a charge By Jon [Update: 29/10/2010 I have now done a new test to update how the HTC Desire battery fares running under Froyo. Click her… […]

  2. Daniel Monostori Says:

    Hi!
    i have a question. How can you enable wifi n on htc desire? Please answer me!

    • Jon Says:

      Press your Menu button and then go to Settings. Click on “Wireless & networks” and then tick the “Wi-Fi” box to enable Wi-Fi. If you want to see available networks then just click on “Wi-Fi settings” and it’s all there for you.

    • Jon Says:

      Oh sorry I’ve just re-read your message and realise you want “802.11n” enabled – not just wireless.

      To do this you need a rooted phone and a ROM that has the 802.11n support. You could also modify the driver on your rooted phone if you have the know-how.

  3. LIVE TEST: HTC Desire Mugen Extended Battery 3200mAh Review « HTC Desire Fanatics Says:

    […] my Desire from Gingerbread 2.3 back to Froyo 2.2 to make this as fair a test as possible. You may recall in previous tests that I managed to get a full 14 hours out of the battery and still have 34% remaining. Will the 2x+ […]

  4. battery operated camping fan Says:

    battery operated camping fan…

    The HTC Desire (Froyo) Battery Test – A day without a charge: Episode 2: Froyo Vs Eclair « HTC Desire Fanatics…

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