Cool White to Warm White LED headlamp swap @DiodeGoneWild
Cool White to Warm White LED headlamp swap @DiodeGoneWild
Uploaded December 2024 | Updated September 2026, 1 week ago
Replacing the freezing cold sleep-destroying cool white LED in my headlamp with a warm white LED. Comparing and testing some power LEDs. Checking AAA rechargeable NiMH batteries using my battery internal resistance tester. Wondering if 1W and 3W LEDs are actually secretly the same thing.

The HRM-10 internal resistance tester:
fnirsi.com/products/hrm-10?sca_ref=9216013.ntkg5GeG0R&utm_source=af&utm_medium=ref&utm_campaign=9216013

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Cool White to Warm White LED headlamp swap

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