Depending on what you’ll be using it for, may be the best question to ask. For browsing and access to the social net on the go, they may have enough juice to get you through. But if you expect usability comparable with their more traditional counterparts, you’re out of luck for they still suffer from limited battery power which powers them to around four hours (or five for some). Some of the lightest ones also do away with the hard drive, one of the biggest power users in traditional laptops, opting to use solid state memory of up to 60 or 100 gigabytes. They have access through the USB port for external drives but they better come with their own power source or battery or you subtract more form the dismal power situation.
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