This extension is fine. Maybe Anchor isn't that good with shards yet. All my other Anker products are excellent. Some power plugs require you to press the last 1mm to "lock" the plug, otherwise it may come loose. Even if it breaks, you have to worry about it coming off. I think the engineers designed it to close on the very last 1mm. Give it some buffer and maybe 2.5mm or 3mm and fix it. Don't wait for the last 1 mm.
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