Today’s Deals: Anker Astro Slim2, Nexus 7, Slingbox, Nikon D600
If ever there was a great impulse buy, this Lifehacker-approved, compact USB battery for only $20 is it. Get it today using code SLIM2AST. [Amazon] Update: Promo code expired, still a good deal at $28. Slingbox 350 | $148 We only push products through our deal channels that we would invest in ourselves, or can…