Blackberries have strong batteries. Andriod phones vary and android isn't a manufacturer. HTC phones generally have good battery life as do Nokia's and Samsung's.
The benefits of a rooted Android includes boosting your battery life and getting infinite features.
Waiting for the battery to drain completely to extend battery life.
They are not rubbish. They are very useful for work and for maintaining friendships with people outside of the country. They have better battery life then the Android phones and feature a qwerty key pad which is a lot more user friendly then touch phones. BBM makes the whole package that much more desirable.
LG has several great camera flip phones to choose from. LG phones are great and the battery life is excellent.
The best phone for constant internet access is either an Apple IPhone or an Android phone. These two phones seem to have the longest battery life, which allows longer internet time.
The larger PDA phones such as the Blackberry tested out as having the longest battery life.
Smart phones with monochrome screens typically have a much shorter battery life than Pocket PC devices with color screens.
You could shorten the life of the battery. Most phones have circuitry to cut off the charge to the battery when it's full. However - repeated deliberate attempts to overcharge will result in a shortened battery life.
The Motorola DROID RAZR MAXX HD cell phone has a variety of features. Some of the features of this cell phone include an HD display, long battery life, and an Android 4.1 Jellybean operating system.
The Motorola Barrage has some of the lowest battery life out of any of the Motorola phones in it's line, but you can still text from it of course. The Blackberry Storm has a much improved battery life and texting capability.
Devices with monochrome screen have shorter battery life than colour screen devices.