The HP Mini 2140 gets pretty decent battery life with a 3 or 6 cell battery. With a 3 cell battery, I figured you could get 3 to 3.5 hours of run time. And Laptop Magazine squeezed more than 7 hours out of a 6 cell battery. But if that’s not good enough for you, Mugen Power sells a 3rd party battery that offers enough extra juice to power an HP Mini 2140 for up to 10 hours.
Members of the MyHPMini forums have discovered that while the battery was designed for the HP 2133 Mini-Note, it works just fine with the newer HP Mini 2140. The biggest difference between the two netbooks is that the 2140 uses an Intel Atom CPU while the 2133 sported a VIA C7-M processor. But both computers use the same batteries, chargers, and other accessories.
The 7800mAh battery provides a bit more juice than the standard 6 cell battery. In a Battery Eater test, it lasted 7 hours and 15 minutes. But Battery Eater is designed to put stress on your system. I wouldn’t be surprised to see this battery last for 9 hours or longer if you’re just doing some light web browsing and other less CPU intensive tasks.
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