Reddit reviews LFI Lights - UL Certified - Hardwired LED Standard Emergency Light - Square Head - ELW
We found 1 Reddit comments about LFI Lights - UL Certified - Hardwired LED Standard Emergency Light - Square Head - ELW. Here are the top ones, ranked by their Reddit score.
Meets or exceeds UL924 (21 separate tests), NEC, OSHA & NFPA 101 Life Safety Code requirementsTitle 20 - CEC CompliantAll LED light! No SLA batteries, uses long lasting NiCads that are very low maintenanceTwo fully adjustable, glare-free LED lighting heads - Universal mounting plateIndicator light with test switch, voltage surge, brown out and low battery voltage disconnect
You can buy a wide range of "emergency lighting" products for this purpose, which charge when there is power and illuminate when there isn't. Many of them are built into the wall or stay semi-permanently plugged into an outlet. Example. More portable example. The second one is almost exactly what you want (it's literally designed for your use case), but it isn't that fantastic by "quality flashlight" standards.
In terms of a flashlight that looks, works, and lasts as well as the good ones we recommend here... I'm not sure.
I know 90% of USB-charge lights will not light while charging. Since they drain power faster than the charger can provide it, they don't want to confuse people when the battery never fills. There are tons of great options with that behavior, such as Armytek Wizard models. But I do not know if they'll automatically come back on when power is lost.