Best AIWA LIB-902 or JVC BN-R3610 Lithium battery modern replacement adapter

Summary I have design yet another version of an adapter to use modern batteries in place of AIWA LIB-902 or JVC BN-R3610 3.7 V Lithium battery for vintage MD walkmans as JVC XM-R70 No commercial use allowed, no selling printed model allowed and no derivative of any kind allowed
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Iphone 3GS battery replacement

Several years ago someone just gave me this old iPhone 3GS as non working, I could not figure out what is the problem and kept it in drawer for years. But recently I decided to review this old guy and give it another life. So i purchased new battery, took screwdriver and starter
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RCA Motion LED Light

Dissembled RCA Motion LED Light to see what is inside ! I cannot resist buy any ned and interesting LED based devices from Dollarama. I think you can find some pretty cool device for cheap. And I want to share this with you. This time I sourced RCA Motion LED Light fro Dollarama
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