Today only, Deal Genius offers the Duracell GoMobile Charger bundled with two AA Rechargeable Batteries and two AAA Rechargeable Batteries for $12.95. Coupon code "LOYAL5" cuts it to $12.30. With free shipping, that's tied with our February mention and the lowest total price we could find by $2. This device charges both AA and AAA batteries via a standard wall outlet or your car (auto adapter included).