18500 3.7V 1100mAh Li-Ion Rechargeable Battery with Solder tabs
Amazon.com: PKCELL ICR17500 Battery 3.7V 1100mah A Size Lithium Rechargeable Batteries with Flat Top 2pcs(They are not 1865mm Size Battery) : Health & Household
Cylindrical LiPo Battery LPC16500 3.7V 1100mAh 4.07Wh without protection circuit, with wires 40mm