Here is very cool and intelligent device which can be your best companion while long jorney. APC’s unversal battery has inbuilt sensing capability to sense the voltage of laptop and comes with series of USB ports so that you can charge almost everything inluding PSP, iPhone or your iPod. But yes it will make small hole in your pocket. 90 watt hour model costs around 225 USD while 70 watt madel is priced at 135 USD.
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