https://alexnld.com/product/2-slot-18650-battery-charger-ch2-usb-dc-5v-1-2a-input-dc-4-2v-1000ma-output-for-3-7v-li-ion-battery-10440-14500-16340-16650-18350-18500-26650/?hilite="DXTX D2 220V 5V2A Dual Slot Universal Intelligent Portable USB Lithium Li-Battery Charger Compatible With Ni-MH/18650/26650/20700/21700/AA/AAA"