2x 3.7V 18650 LiMN Rechargeable Flat Top Batteries with BONUS CASE
Amazon.com: 18650 Flat Top
Sony VTC5A 18650 Battery (Authentic) High Drain FREE Battery case included
18650 3.7v battery | Newegg.com
Tenergy 18650 2600mAh 3.7V - Flat Top
PKCELL Flat Top 18650 3.7v 3000mah Rechargeable Li-ion Battery for sale online | eBay
Amazon.com: LCLEBM 4Pack Battery for 3.7V Flat Top Battery Rechargeable with Battery Storage Case, 2 Bay USB Charger for Fan,Headlamps,Flashlight,Camera and More : Cell Phones & Accessories
18650 Battery Flat Top
Amazon.com: ICR18500 Rechargeable Li-Ion Batteries 3.7V 1400mah with Flat Top for Flashlight,Solar Garden Light(4pc)(They are Not AA,AAA Size Batteries) : Health & Household