Electrical Supplies
18650 Charging Board Dual USB 5V 2.4A Mobile Power Bank Module 186 50 Lithium Battery Charger Board Circuit Protection
18650 Charging Board Dual USB 5V 2.4A Mobile Power Bank Module 186 50 Lithium Battery Charger Board Circuit Protection
https://www.bizrate.co.uk/electricalsupplies/18650-charging-board-dual-usb-oid34008865905.html