DealYard via eBay offers the Duracell AAA Rechargeable Stay Charged Battery 6-Pack, model no. DX24B6TB, for $8.95 with free shipping. That's tied with our mention from a week ago and the lowest total price we could find by $6. It includes six pre-charged 800mAh AAA batteries and purports to retain power for up to 365 days while not in use.