The Battery Life Impact on 4G and 5G - What's the difference?
The 3G4G Blog: VoLTE, Battery Issues and Solutions
The 3G4G Blog: Battery
Does 4G Use More Battery Power Than 3G?
We tested the smartphone battery life on 3G, 4G, and 5G — and one drains it much faster
4G WiFi Modem,Portable Wireless Mobile Router,Provide 3G/4G High-Speed Internet Access,Low Power Consumption, Long Battery Life,for Car,Business Travel and Outdoor Travel (Black)