Here are some things you can do to extend your phone’s battery life and maintain battery health: Turn Off the VPN When You Aren’t Using Itĭisconnect from the VPN when you don’t need it. Tips on How to Use a Battery-Friendly VPN VPN-related battery usage on an iPhone is affected by the same functions and circumstances as on an Android device.Ī higher level of encryption, a more secure tunneling protocol, and a weak signal will drain your phone’s battery faster, regardless of whether you have an iPhone or any Android device. Connecting to a VPN on an older phone will use more power and more battery, compared to newer models. That’s not the case with some of the older models. Most Android and iOS devices have CPUs with high-performance cores that can handle heavy-battery usage. If you use OpenVPN, which is generally considered the most secure, your battery will drain faster. Similar to encryption types, a high-level security tunnel protocol needs processing power.Ī VPN with low battery consumption typically uses a more lightweight protocol like WireGuard. Most VPN providers offer several types of tunneling protocols and allow users to switch between them. This process uses up CPU power and puts a strain on the battery’s life. Unless you’ve tweaked your phone settings to optimize battery life, your phone will run apps in the background, including your VPN.Īs with any other app, the longer your VPN is connected to a tunnel, the more battery it will use.īut, certain VPNs continue to run in the background even when you’ve turned them off. Strong signals like 3G, 4G, or 5G will have a much smaller impact on battery life. Poor signal strength results in more power usage because the phone needs to increase its signal receiver to maintain the connection.Ī weak signal forces your phone to use more power, and in turn, more battery, regardless of whether you’re using a VPN or not. Some VPN services let you switch to 128-bit encryption, which provides better performance and uses less battery, but at the cost of reduced security. To maintain this level of encryption, the VPN needs more power. Most VPN services use military-grade 256-bit encryption, which is technically the most secure on the market, mostly due to its key length size. The better the encryption, the more battery it will consume. The encryption process takes up CPU power because the VPN app is working to encrypt all the data that’s being sent and received, which in turn drains the battery on your device. Several factors contribute to the amount of battery use, including your cellular signal strength, the VPN encryption level, and your phone model. On average, you should expect around a 5-15% drop in battery life on your Android or iOS device when a VPN is connected. If you’re wondering “ does a VPN affect battery health ?” the answer is yes, but no more than any other app on your device. Do VPNs Drain Smartphone Batteries Faster? Like all apps on your phone, a VPN will have an impact on your battery life, but exactly how much depends on several factors.īelow we explain why VPNs affect battery life, provide a few tips on how to reduce VPN battery drain, and list a few battery-friendly VPNs. Whether you are using an Android or iOS device, a VPN is essential for enhancing privacy and security while browsing online, especially when using public Wi-Fi spaces.īut do VPNs drain smartphone batteries faster ?
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