Effects of Humidity on Battery Life

I have not been happy with the battery life of my first generation iPhone. With the popularity of the iPhone, there are gobs of users across the country that use the same device I do. Often people I know in other parts of the country say their device lasts much longer than mine lasts and have no complaints on battery life.

I had previously chalked the battery life differences I have heard of up to differences in usage. I recently got a Mophie Juice Pack and between it and the internal iPhone battery, I can go about two days on the external battery and the internal battery at home.

I live in Texas, one of the most humid states in the country. When I traveled to CES, where there is very little humidity I noticed something very interesting. I had a huge increase in run time form the Mophie Juice pack and the internal battery of my iPhone.

I'm not talking an increase in run time of minutes, I am talking about DAYS. While I was at CES in Vegas, I used my phone way more than I normally do at home checking email, making lots of calls, and using the calendar. On a full charge of the Mophie Juice Pack while I was in Las Vegas I could use my iPhone for two days on the Mophie alone.

A full day's use would use about half the Mophie's capacity. At home, the Mophie would have been dead after about a day of usage. The only thing that changed was the levels of humidity and location I was using the phone. I had no idea that humidity could have that much effect on the runtime of rechargeable batteries in electronic devices. Now that I am back at home, a fully charged Mophie again lasts me about a day of casual usage. The difference between the run time of the device in Texas and Las Vegas is huge and very surprising.

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