akYtec | Faq | IoT DEVICES | How is the IC200-MRTU-LW powered? How is the IC200-MRTU-LW powered? The device can be powered by either an internal battery (providing up to 5 years of autonomous operation) or an external DC power source with a voltage range of 5V to 30V. IC200-MRTU-LW IoT DEVICES Back to All Topics