Xtar SC1 Plus Portable 3A Li-ion USB-C Charger and Powerbank (Fits 18650 /21700/26650/
3.7V 18650 Charger Li-ion Battery USB Independent Charging Portable 18350 16340 14500 Battery Charger Two slots - Walmart.com
Li-ion Battery Power 2-Slots 18650 Battery Charger with USB – Hiwonder
BMAX Dual Slot USB Battery Charger - Central Vapors
EveryMarket
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
BigBlue USB Battery Charger for 18650 / 26650 / 32650
Amazon.com: 5Pcs 2A USB 18650 Lithium Li-ion Battery Charger Module Boost 3.7V to 5V 9V 12V : Electronics
Amazon.com: 18650 Battery Charger 4 Bay, Universal Battery Charger with 4 Slot Charger for 18650 14500 18500 16350 Li-ion Rechargeable Batteries (No Battery) : Electronics
5V USB Charger Module for 2S 7.4V Lithium Li-ion Li-Po 18650 Battery Packs 8.4V | eBay
MakerFocus 4pcs Dual USB 5V 1A 2.1A 18650 Battery Charger PCB Module B
MakerFocus 4pcs 18650 Charging Board Dual USB 5V 2.4A with Overcharge
USB 18650 Smart Battery Charger 4Bay, Battery Tester, General Smart Charging Battery Charger 4 Slots Quick Charging Lithium ion Battery,Red/Green Display (Not Battery) : Amazon.in: Electronics
UMLIFE 4pcs 18650 Charging Board Dual USB 5V 2.4A Mobile Power Bank Module 186 50 Lithium Battery Charger Board with Overcharge Overdischarge Short Circuit Protection DIY USB Power Bank Board - Newegg.com