As one of its daily deals, Shnoop offers the Duracell Go Mobile Battery Charger 2-Pack, bundled with a Duracell AAA Rechargeable Battery 4-Pack and Duracell AA Rechargeable Battery 4-Pack, for $31.99. Coupon code "UDGZYL0X" cuts it to $30.99. With free shipping, that's the lowest total price we could find by $8. Each charger can charge two batteries at once and includes an AC/DC charger and car adapter. Deal ends today at 9 pm ET.