Using this Adafruit boost converter is easy. First, connect 2 to 6V DC to the IN and G pins on the board. Once connected, you'll get a 12V output at the 12V output pin. If you want to turn off the output, just pull the En pin low. Remember, this converter isn't meant for high - power jobs like running motors or long LED strips. The most current it can give out is about 40mA. For maintenance, keep it in a dry place and avoid physical damage. There's no need for special cleaning or upkeep as long as it's used within its limits.