For the holiday season a suspended Lego train was installed in the Bookery bookstore in Manchester. As the train will run all day and largely out of reach, a wireless battery charger was installed to keep the train running without need of store personal. An ESP8266/ESP12 was used to operate the motor. A ADS1115 4 channel A to D is used to monitor battery voltage, wireless charger voltage and charging current. At a predetermined operating voltage, the ESP8266 monitors charging current from the wireless charger and when the current is peaked, the motor is stopped. The train remains stopped untill the 2S Li-ion charger has completed the battery charge. The train then resumes operation around the suspended track.