It is, as long as you work around the design flaw. If you just pop it into your Internet Tablet, it might not have a good enough connection to the leads & your tablet might not turn on at all or might suddenly turn off when you don't want it to. Luckily, there is an easy solution. You have to wedge something into the opposite end to push the connectors together harder. The way I created my shim was to cut pieces off a plastic card (e.g., a credit card offer in the mail) that I no longer needed. Search the forums here for more info, but that's the basic idea.