$66.99 1/2AA Battery Box ER14250 Battery Holder 14250 Single Battery With PCB Pin For Soldering 
Rechargeable 1/2AA Lithium ion Battery icr14250 300mAh Count : (2) - Newegg.com
2x 1/2AA 1.2V Rechargeable Flat Top Batteries For Shavers, Custom, Radios - Walmart.com 
