When the power goes out, scrambling for a flashlight can be frustrating. Light bulbs with backup batteries solve this by providing light even during an outage. These innovative bulbs charge their ...
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Mechanic finds battery drain caused by aftermarket LED bulbs
A mechanic spent hours tracking down a battery drain only to discover the real cause […] ...
I’ve also treated the topic of LED illumination more conceptually; take, for example, this piece from more than seven years ago that analyzed LED and CFL light bulbs as potential successors to ...
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