[JK1]

Now that a charger and two rechargeable CR123A (600mah, 3.7V) batteries is just $15, it would be nice to find a good player with a card slot that runs on one of these. Are there any? I would like to be able to carry a few spare batteries, and have plenty of run time. 
 
http://www.bhphotovideo.com/c/product/722958-REG/Pearstone_ADC_CR123A_Dual_Bay_Rapid_Charger.html