Is this normal - 9900 battery
After some debate and a lot of slacking off I finally upgraded my 9700 to 9900 (at&t). I'm glad I waited since Best Buys had it for $100.00 and I had a $50.00 phone freedom coupon with them. So $50.00's later I got my 9900.
I must say I love everything about this BB. I been with BB for 6 dedicated years and this device amazes me more than any other I have had.
Now to my initial question/concern -
I know that this unit has a sub-par battery compared to other devices. However, I did not expect it to drain so quick. Here is a quick timeline:
- 100% charged at 12 noon
- Moderate usage
- Approx 25 text messages
- 2 10 min conversations
- Approx 20 emails (read only, responded via desktop)
- WiFi/Bluetooth off
- Running apps - facebook, weatherbug, foursquare, bbm
- Currently it's 4:42pm & battery life is at 55%
Is this normal battery drainage? or am I spoiled by the 9700 battery life? let me add - been in my office the entire day. I was not running around NYC and in and out of the subway system.
Any inputs is greatly appreciated. Thanks.
- 05-04-2012, 04:04 PM #4
So it seems like you're getting 10 hours out of your battery, which isn't the worst but I believe it could be better. If you just got your phone, I would definitely wait a week for the battery to settle in. I definitely noticed a difference after 1 week of using my 9930. I think I was getting somewhere around 12 hours on the first day but now I can go 30 hours no problem.
this is my 3rd day with the 9900. i'll give it a week or so to see if i notice a difference. thank you for this.
- 05-04-2012, 05:12 PM #9
How often are FaceBook, FourSquare, and WeatherBug set to update?
Use Options>Device>Advanced System Settings>BlackBerry Device Analyzer to test your average drain rate over a few days and see what's using up the juice. What you describe sounds like a high drain rate to me, unless those apps are refreshing all the time.
- 05-04-2012, 05:40 PM #11
Next question: When you moved from the 9700 to the 9900 did you port the apps with the Device Switch Wizard or re-download and install them? If the former, you should try deleting and reinstalling them.
I don't know WeatherBug and FourSquare or whether they have a bad reputation in OS 7. I do know that some apps that were well-behaved on my 9780 aren't so good on my 9900. Check CPU usage of apps that you have installed but don't use. Some apps use the CPU even when you don't open them, and they don't show up in the App Switcher list. In my case, this was what made the biggest difference. There were apps there that I thought couldn't be using the battery because I didn't even use them in the course of a day. But they were running in memory anyway. The Pandora app is like that, although it only uses a small amount of CPU time. The YouMail app used more, so I uninstalled it. Bottom line: Check the daily CPU usage of every single app, whether or not you actually opened and used it.
- 05-04-2012, 06:16 PM #12
Also i have my twitter and facebook to refresh at 30 minute intervals. I honestly believe this shouldn't use a lot of data and battery and I think my results show that. I did delete social feeds, however. My GPS is also turned on at all times. I strongly think that if you're in an area of great signal, you'll see improvement after a week.