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Question:

What size power bank will I need for my trip?

I m going on a three-day long trip, but we ll be sleeping on a bus, so no outlets. We have an iPhone 5c, an iPhone 6, and a iPad mini 3 that we ll have to charge. Assuming we need to get three charges out of each of them, what size power bank should I get for this? I m okay with getting multiple. Thanks!

Answer:

You will need more than one. Full iPhone 5c charge 1500 mAh. Full iPhone 6 charge 1800 mAh Full iPad mini charge 6400 mAh (all values approximate) Add up and multiply by 3 gives almost 30,000 mAh. Common sense would suggest a 50% reserve, so 45,000 mAh. What about a charger to fit in the bus accessory socket?

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