Techno Discounters USA via Amazon offers the Trident Electra 6,000mAh Qi Charging Leather Case in Black Onyx, model no. EL‑QI‑SCP‑BKONY, for $5.82 with free shipping. That's a buck under our December mention of a refurb and the best price we could find by $3. It features an LED indicator and charges compatible Galaxy smartphones and other Qi-compatible devices.