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What does the symbol that says 10 inside the double arrowed circle mean? I have seen a similar symbol on another appliance that had the number 25

  • 10 months before the battery dies and must be recycled? :) – rdtsc Aug 10 at 15:26
up vote 14 down vote accepted

That's a Chinese RoHS / recycling indication: Under RoHS 2, manufacturers must indicate dangerous chemicals inside on the outside. The number in the circle is an indication for the "Environment Friendly Use Period", the period in which it's safe the contained substances will not leak out.

10 in your circle means that it's pretty safe that for 10 years, no RoHS-critical substances will leak out.

https://www.electronicsweekly.com/blogs/directive-decoder/china-rohs/china-rohs-new-efup-guidance-2007-03/

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