https://alexnld.com/product/liitokala-lii-500-lithium-battery-charger-for-li-ion-imr-18650-26650-16340-14500-10440-18500-eu-plug/?hilite="LiitoKala 16340 Battery Charger 3.6V/3.7V/4.2V 4 Slots USB Lithium-ion Battery Charger"