https://alexnld.com/product/us-ac-100-240v-to-dc-12v-3a-36w-power-supply-adapter-for-charsoon-dc-4s-balance-charger/?hilite="Camera Battery Charger 100-240V AC 50/60Hz 4.2V DC 200mA for Olympus LI-40B LI-42B SP700"