A:AnswerIt comes with a battery when you first purchase it. Make sure you let it charge for 8 hours before you start using it. If the battery dies or broke, I recommend just buy a new one.
A:AnswerThe 40$ version I bought is designed to allow you to save your work and properly shutdown a computer. Not to allow continued use. To run a TV for any length of time you will want to buy the biggest one.
A:Answeryou wont get hours,time will vary with higher data traffic.max draw could hit 150 watts,it will avg. about 20 min.max time will be about 50 min.
A:Answerthey give you 4 battery protected outlets to operate your critical devices and 4 surge protected outlets for less important devices but it still provides surge protection for those devices while in normal operation mode.