As one of its daily deals, Amazon offers Prime members the Panasonic Eneloop Pro High Capacity Power Pack, model no. K-KJ17KHC82A, for $34.99 with free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping adds $7.15.) That's the lowest total price we could find by $30. It charges up to four batteries simultaneously, LED display with status indicator lights, and overload protections. Eight AA batteries and two AAA batteries are included. Deal ends today.