Amazon is offering the Duracell Ion Speed 1000 Battery Charger Bundle for AA and AAA batteries for $20.12 shipped, after clipping the on-page 35% off coupon. Already down from $34, this combined 43% discount is the third lowest price we have tracked. It comes in just $2 above the all-time low from May, and beats our previous mention by $4. This value pack is a perfect opportunity to make the switch to a more eco-friendly and cost-effective solution. Accompanied by eight batteries, this bundle includes six AA and two AAA rechargeable batteries to better cut down on single-use costs for remotes, game controllers, toys, and other gadgets. It only takes four to eight hours to charge up to four batteries of either size at one time with 4000mW of charging power.