Quote:
Originally Posted by schulzmc
Here are some facts about the battery drain from the cover. From the "Blog Kindle" review:
Buy doing some simple math we can calculate average current drains of about 2.4 mA with wireless completely off, 3.5 mA when running on WiFi and 7.3 mA when running on 3G + WiFi.
Many people are wondering about what would cover with built-in LED light do to the battery life. Luckily I had a digital multimeter and a piece of wire handy so I was able to measure the drain current of the cover as well. It turned out to be 76.6 milliamperes. This by an order a magnitude larger than what Kindle 3 consumes even with wireless on. So with LED light on battery life is going to be between 20.85 and 22.15 hours of constant reading. This is about twice as long as 10 hour battery life of Apple iPad.
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Oh give it up on the iPad! They are two totally different products! Frankly I doubt that anyone is going to be reading a constant 20+ hours but I see your point for when there is no electrical outlet to recharge daily. I bought this case for my hubby's new K3 as I remember what a pain it was not only to remember to bring my Mighty Bright, and then drag it out of the bottom of my my purse to clip on my K2. It definately added top weight and I was constantly adjusting the light. I love the idea of this case and he will have whenever he feels the need to use the light. I used mine mostly when we went to the movie theater and we would read while waiting for the movie trailers etc to begin.