The Redmi Note 3 is backed by a non-removable 4,000 mAh Li-Po battery, it is a smartphone holding one of the largest capacity battery in its price range. The device can keep the phone functional for more than a day with on multiple app usage. The users can expect about 6-8 hours of screen-on time. The battery also supports faster charging at 5V/2A. The device has a stand-by time of 264 hours on 3G and can withstand a music playback of 60 hours. The smartphone features a Hybrid dual-SIM card slot, which means that you can use two SIM cards at a time or you can use one SIM card and one microSD card. Connectivity options include 4G
, dual-band Wi-Fi 802.11 a/b/g/n/ac, Bluetooth 4.1, GPS, GLONASS, BDS, microUSB 2.0 port with OTG support, and an FM radio. In order to enable the users to control their electronic appliances, Xiaomi has provided an infrared emitter.