3.7V 600mAh 14500 Li-ion Rechargeable Battery Cell - AA Size (Flat Top – QuartzComponents
Amazon.com: Blomiky 2 Pack 3.7V 600mAh Lithium Rechargeable Battery and 2 USB Charger Cable Compatible with Fisca Remote Control Robot Dog K9 Battery 2 : Toys & Games
Li Polymer 3.7V 600mAh Battery - Himax Li Pomer Battery 3.7V 600mAh