Lithium Ion Polymer Battery - 3.7V 500mAh | TinyCircuits.com
PKCELL Flat Top 18650 3.7V 3000mAh Rechargeable Li-Ion Battery
Watson Lithium-Ion Battery Pack (3.7V, 1800mAh) for HD B-1801
Amazon.com: PKCELL ICR18500 Battery 3.7V 1400mah Li-Ion Rechargeable with Button Top 6PC(They are not 1865mm Batteries Also Not AA Size Battery) : Health & Household
Li-Polymer Battery 3.7V 1000mAh
Li-ion Battery 3.7V/2000mAh – Flat - Gamasonic USA
4400mAh 3.7 volt Lipo Battery LP106065 UL1642 | Polybattery.com