High Discharge Rate Battery 105565 Lipo Cell Voltage 3.7V 4000mAh Li Polymer Batterie - China Lipo Cell Voltage, Li Polymer Batterie | Made-in-China.com
Amazon.com: Be oneself 3.7V 500mAh Lithium Polymer mini rechargeable battery 472540 Li-ion Li-Po for #1118 keychain camera : Cell Phones & Accessories
Rechargeable lithium battery type 21700, 3.7V 4000mAh