[Dual Battery Charger] DC 5V/2A charging current, super fast battery charger. Dual battery charger design is convenient to charge 2 batteries simultaneously, and each charging slot works independently, saving your time, saving your batteries' life Suitable for Olympus camera LI42B 40B battery charger FE290 FE150 4010 160 FE190 20 220 230 240 250 320 FE280 FE300 USB dual port charger Suitable for Olympus camera LI42B 40B battery charger FE290 FE150 4010 160 FE190 20 220 230 240 250 320 FE280 FE300 USB dual port charger Equipped with a micro USB cable for easy charging. Multiple charging methods: use USB wall charger, car charger, portable power supply or phone adapter for charging. 【 Smart LED Display 】 The smart LED charger displays the battery charging level in real time to prevent your frequent guessing how much your battery has been charged. The built-in intelligent protection board contains various technical protections such as overcharging, discharging, temperature control, over current protection, etc