Safergo via Amazon offers its Safergo 12,000mAh Jump Starter Power Bank for $49.99. Coupon code "T4N849PU" cuts it to $39.99. With free shipping, that's $10 off and the lowest price we could find, although we saw it for $6 less in September. Features include heavy duty clamps and cables, two USB ports, and a flashlight. Deal ends December 31.