Some day in the hopefully-not-too-distant future, all of the gadgets and gear we use will charge wirelessly from across the room using cool new technology like the wireless charging tech Apple is working on right now. Sadly, in the meantime we all have to keep buying batteries for all of the little electronic devices in our lives. If you have to go through the hassle of buying new batteries and changing them each time your gadgets run out of juice, you should at least save some money in the process. From now through Saturday, October 15, Amazon is selling 100-packs of AA and 40-packs of AAA batteries at a nice discount, and both packs are eligible for free Prime shipping.
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