APC Back-UPS Connect 84VA Battery Back-Up System $30 at B&H Photo Video
B&H Photo Video has the APC BGE50ML Back-UPS Connect 84VA Battery Back-Up System for $100 - 70% off coupon (click "Clip Coupon") =
$30 with free shipping.
Works as a standard UPS, or remove the battery pack to charge on the go! Has 340 joule protection, two outlets, three USB ports.
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