Newegg offers the Anker 40-watt 5-Port Desktop USB Charger in Black, model no. AK-71AN7105-B5A, for $25.99. Coupon code "EMCWWPD72" cuts it to $19.99. With free shipping, that's tied with our mention from last month and the lowest total price we've seen. (It's also a current price low by $6.) It's compatible with most USB-charged devices.