18650 3.7V 2550mAh 3C Discharging Rechargeable Battery ITR18650 2600P For 24V 36V 48V 60V 72V EBIKE POWER Battery - AliExpress
Liitokala 2pcs new Original HE4 LGDBHE41865 18650 battery 3.7V 2500mAh HE4 Lithium Power Battery for Electronic products - Price history & Review | AliExpress Seller - LiitokalaVariCore Direct sales Store | Alitools.io
18650 Battery 3.7V 2600mah Real Capacity Li-Ion Lithium Rechargeable Batteries for Strong Light Flashlight Head Laptop Battery - AliExpress
I need backup batteries for my vape, and thought I'd save some money on AliExpress. My vape's original battery is 2800mah but many of these on AE claim they're up to 19000mah.