$64.99 Doublepow 1.5v 3400mWh AA Size 1.5 volt lithium li-ion li-poly rechargeable battery cell 2pices 
AA Rechargeable Batteries 1.5V 1500mAh USB Lithium Polymer
8-Pk. of Energizer® AA Ultimate Lithium Batteries - 618707, Batteries at Sportsman's Guide
