Dear Sex Counselor,. How long can I expect my vibrator to last? Vibrators will last anywhere from several months to several years, depending on how they are. How long do batteries last? This varies depending on the brand of battery and type of vibrator. As a general guide: Better quality batteries (usually a bit more. I go through batteries pretty fast with mine. When I first started using vibrators, they'd last about 6 months to a year, but now I don't use it as often. Toys that are washed every time last longer. . If you're only using your toy on yourself, you should be fine as long as you wash it after every use. Always check to make sure your waterproof vibrators are still safe to use. 3. Having confidence in the power of your vibe can do wonders. A nice, expensive vibrator will last you a good, long while — but not forever. Long Answer: Depending on the device and what kind of batteries you're using, you If you have a high-drain vibrator that you use frequently, it might be worthwhile to invest in some rechargeable batteries. How do I silence noisy batteries?.