Flashlights as USB power banks

[TheIntruder]

The original version without powerbank was ok. The newer version with it had some issues detailed below, as well as odd behavior from the switch indicator light.

Wurkkos TS21 tear down

Please Note This light has a big parasitic drain, moderately high with the switch LED OFF (116 uA) or on low (180 uA), not visible in room light, and excessively, exceedingly high at 13.5 mA with the switch LED on High. Tear Down A brief quick tear down of the TS21, a new model from Wurkkos. Tools used to open the TS21 - gloves to get the SS bezel unscrewed, solder pick and hammer to "gently nudge" out the driver: [image] I needed the gloves because the bezel felt very tight, and it was…