DLM Reseller via Amazon offers the Innogie Premium eLite Series 3,200mAh Lipstick-Sized Portable Charger in three colors for $6 via the coupons below. Plus, Prime members qualify for free shipping. (Non-members can spend over $35 for free shipping; otherwise, shipping adds $6.22.) That's $44 off list and the lowest total price we could find. It's compatible with most portable devices and features a 1-amp output. Available colors and their accompanying coupons:

• Black via coupon code "74QV74AQ"
• Pink via coupon code "FW276YBW"
• Silver via coupon code "FW276YBW"