This tool should have a battery indicator but mine doesn't work so I don't know when it's fully charged or if it's charging.
Pros
β€οΈπ§°Universal accessories, 95 pcs. The cordless rotary tool comes with 95 accessories. You can easily perform tasks like grinding, engraving, cutting, polishing, drilling, cleaning, etc. This product can be used as a mini electric grinder, engraver, mini drill, pocket grinder or polishing machine. The accessory is compatible with most accessories from other manufacturers such as Dremel.