Of course, Bluetooth and RFID chips also try to save battery consumption with similar mechanisms. Even when connected with another device NFC is much more energy efficient than similar technologies such as Bluetooth or RFID. As data are transferred very quickly via NFC, a NFC chip only needs to provide enough energy to establish a connection for very short time frames. Furthermore, scanning of the environment doesn’t require as much energy as establishing a connection to a NFC device. This frequency is sufficient to identify possible NFC connection partners quickly, but saves a lot of battery power. ![]() However, the NFC chip is actually in some kind of sleep mode and scans his environment only 10 times per second. In order to scan the environment, the NFC chip has to be active, which is the reason for the assumed high power consumption of the NFC function. The NFC chip inside the smartphone scans his environment regularly to detect NFC tags in reach. How is the power consumption reduced? Descriptive explanation However, NFC doesn’t have to be deactivated because several intelligent mechanisms ensure that NFC doesn’t become an energy guzzler. ![]() Sometimes such tips also recommend to deactivate the NFC function. ![]() Thus, it’s not surprising that many tips about saving battery power can be found on the Internet. Therefore, smartphone users feel that they have to charge their battery increasingly often. ![]() Modern smartphones are constantly equipped with additional functions, but progress in battery research has been much slower.
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