Newegg offers the Fujitsu AAA NiMH Rechargeable Batteries 12-Pack, model no. HR-4UTC(12M)EX, for $12.99 with free shipping. That's $4 under our mention from last month and the lowest total price we've seen. (It's a current best by $5.) These low self-discharge batteries purport to be able to be recharged up to 2,100 times.