![Amazon.com: 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) : Electronics Amazon.com: 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) : Electronics](https://m.media-amazon.com/images/I/61gYy4Pfg6S.jpg)
Amazon.com: 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) : Electronics
![4G vs 2G Battery Usage Test on my Note10+5G Exynos. I work from home & i always use WiFi so i switched to "2G only" to see if there is any effect 4G vs 2G Battery Usage Test on my Note10+5G Exynos. I work from home & i always use WiFi so i switched to "2G only" to see if there is any effect](https://preview.redd.it/smsbf6oyajn81.png?auto=webp&s=1062f4549932c6eab26c050581a40a6e107c7a4e)
4G vs 2G Battery Usage Test on my Note10+5G Exynos. I work from home & i always use WiFi so i switched to "2G only" to see if there is any effect
![PDF) Smart mobile device power consumption measurement for video streaming in wireless environments: WiFi vs. LTE PDF) Smart mobile device power consumption measurement for video streaming in wireless environments: WiFi vs. LTE](https://www.researchgate.net/profile/Longhao-Zou/publication/318574812/figure/fig5/AS:617778994233344@1524301398497/Energy-Consumption-Different-User-Numbers-and-Channel-Quality-in-WiFi-Coverage_Q320.jpg)
PDF) Smart mobile device power consumption measurement for video streaming in wireless environments: WiFi vs. LTE
![OK, I know this doesn't make sense, but set your cellular to use only 3G. Even when you are using WiFi. It will make huge difference in battery life. : r/GalaxyS21 OK, I know this doesn't make sense, but set your cellular to use only 3G. Even when you are using WiFi. It will make huge difference in battery life. : r/GalaxyS21](https://i.redd.it/us2klkq6dyl81.jpg)