1643 led replacement flashlight bulb

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https://www.homedepot.com/p/Dorcy-30-Lumen-3-Volt-LED-Replacement-Bulb-41-1643/202677077

Super efficient, Energy-saving, Eco-Friendly . for . — P13.5 base.

The 30-lumen 3-Volt is a 10-year providing 30 lumens of for up to 100,000 hours of use. Operates with any 2 AA, C or D .

https://en.wikipedia.org/wiki/1643

https://en.wikipedia.org/wiki/1640s_BC

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