By Evan Ackerman I’ve got portable chargers for my cell phone, portable chargers for my iPod, portable chargers for my little video recorder, portable chargers for my AA batteries… The only thing I don’t have a portable charger for (besides my laptop) is my DSLR, because it takes those annoyingly square 7.4 volt battery packs that require their own special charger. Energizer is about to solve this problem with a little clip that has teeth to attach to the contacts of battery packs of any size. The other end can be plugged into a USB port, and if I may say, props to Energizer for not making it some kind

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Energizer USB Clip Charges DSLR Batteries