Rechargeable Lithium Ion 3.7v Batterie 2500mah 2600mah 3000mah 18560 3.7v Li Ion Battery - Buy 18560 3.7v Li Ion Battery,Battery Li-ion Li-ion 18650,Li-ion 18650 Battery Product on Alibaba.com
Lithium Ion Polymer Battery - 3.7v 2500mAh : ID 328 : $14.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Amazon.com: Adafruit 328 Battery, Lithium Ion Polymer, 3.7V, 2500mAh, 2" x 2.55" x 0.30" Size