![]() It’s near impossible to convince the consumer to replace the battery inside the switch with the electrician when the battery life finishes. ![]() However, the light switch lifetime is normally design for 10 years+. ![]() With appropriate care and use ( ), you should expect 2-7 years or 500-2100 times from most rechargeable batteries. However, there are a lot of problems ahead which one of the key issue is about the rechargeable battery life. In order to design a smart switch to retrofit the existing 2-wire installation, it’s either Method 1: putting a rechargeable battery inside the switch to supply the power to the MCU or Method 2: thinking out of the box to make MCU work with the 2-wire wiring system.
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