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batteries - Is soldering wires directly on a NiMh battery safe? - Electrical Engineering Stack Exchange
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Plastic rectangles with (what appear to be) CR3220 batteries on them. Found in the bathroom of my local grocery store. : r/whatisthisthing
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CR425 Rechargeable Battery Set Fishing Float Battery Match USB Suits for Different Charger Devices Fishing Tackles FU004|Replacement Batteries| - AliExpress
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