Newegg offers the Panasonic eneloop AA Rechargeable Batteries 4-Pack and Charger, model no. K-KJ17MCA4BA, for $19.99. Coupon code "EMCWWHH27" drops it to $12.99. With free shipping, that's $4 under our mention from two weeks ago and the lowest total price we could find by $6. The batteries can purportedly be recharged up to 2,100 times.