I have the U50 and I change mine approx once per year. I live in a cold winter climate and have had good results.
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@rivy08 Thanks for sharing your experience with the U50! It’s awesome to hear you’re getting around a year of battery life even in a cold winter climate—your real-world insights are super helpful for the community. According to the official info, the U50’s average battery life is 8 months, though it can vary based on environment and usage, and battery performance does decline in low-temperature conditions. Your experience shows how actual usage can differ, which is really valuable. If you have more details to share (like daily door opening frequency or specific usage habits), feel free to add—other users might love to learn from your setup
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