18650 micro usb batteries, 18650 battery with micro usb port,
Amazon.com: Speedy 18650 Battery Charger XTAR PB2C USB Output Function, Portable Li-ion 18650 Battery Charger Box w/USB Port and LED Display for all 18650 Batteries(Batteries NOT included) : Electronics
Astrolux MC01 2 in1 USB 18650 Battery Charger & Power Bank NZ
TP4056 Li-ion Battery Charging with Protection Board - Micro USB 5V interface - YouTube
BL2 2 x 18650 Type-c Portable Battery Charger and Power Bank
LCD 3.7V Li-ion Lithium Dual USB 18650 Battery Charger Module 5V 2A Power Bank | eBay
3.7V 18650 Charger Li-ion Battery USB Independent Charging Portable 18350 16340 14500 Battery Charger Two slots | Walmart Canada