LumsingDirect via Amazon offers its Lumsing Compact 12-watt 2-Port USB Wall Charger in Blue or Orange for $9.99. Coupon code "8VUBFVC4" drops it to $4.99. Plus, Prime members bag free shipping. That's the lowest price we find by $1, although we saw it for a buck less last month. This intelligent charger delivers up to 2.4 amps per port and features folding prongs. Deal ends July 30.