Are Rechargeable Flashlights Suitable for Disaster Preparedness?

Are Rechargeable Flashlights Suitable for Disaster Preparedness?

https://www.istockphoto.com/photo/rechargeable-battery-powered-flashlight-isolated-on-white-background-black-hard-gm1756005718-544374065?phrase=Rechargeable%2BFlashlights#