Amazon offers Prime members the Panasonic eneloop AAA Ni-MH Pre-Charged Rechargeable Batteries 12-Pack
, model no. BK-4MCCA12SA, for $19.99
with free shipping
. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping costs $6.15. Newegg
has it for the same price.) That's $2 under our mention from two weeks ago and the lowest total price we could find now by $6. The batteries can purportedly be recharged up to 2,100 times.