Does ONfinity CM2 Max require battery to operate?
ONfinity CM2 Max receiver does not require any battery. It uses the USB power from the PC. For the E-pen, it uses one 3V CR 123A battery, which is widely available in the general market. On average, one CR 123A battery can last for one year for general usage. Due to its low power consumption, the E-pen can perform up to 104,000 clicks with one single 1300mAH CR 123A battery.