Modern key fobs are incredibly convenient, offering keyless entry and remote start, but they can also cause unexpected battery drain. If you’ve ever worried about your car or key fob battery dying, especially when camping or parking in your garage, a simple solution exists: the Key Fob Pouch.
Leaving your key fob in or near your vehicle can keep the car’s systems active, leading to battery drain on both the fob and the car itself. This isn’t specific to any car brand; any vehicle with a modern radio-frequency (RF) key fob can experience this issue. Fortunately, there are a couple of easy ways to prevent this. You can manually disable your key fob by pressing and holding the lock button while double-tapping the unlock button (within 30 seconds). However, remembering to do this every time and avoiding accidentally pressing buttons can be tricky. A more foolproof method is using a Faraday pouch, an RF-blocking device designed to isolate your key fob.
Initially skeptical, I decided to test out some Faraday pouches from Amazon, and I’m happy to report they work perfectly. These pouches are designed to block electromagnetic fields, effectively preventing your key fob from communicating with your vehicle when it’s inside. The result? No more phantom battery drain. I found a set of pouches that are just the right size for my key fob and incredibly affordable, at just $8.99 for two.
The best part is the simplicity. Just slip your key fob into the pouch, and it’s instantly shielded. The car no longer detects the key’s presence, eliminating the risk of battery drain. For anyone concerned about key fob battery life or unexpected car battery depletion, especially in situations where you’re parked close to your vehicle for extended periods, a key fob pouch is a cheap, effective, and hassle-free solution. You can find similar Faraday pouches online, like this option on Amazon, to give yourself peace of mind and protect your batteries.