Charge Marker - The Manual Battery Indicator (4) : C-MARKER

Introducing Charge Marker, the manual battery indicator. Charge Marker is a quick, simple, visual gadget that permanently adheres to your rechargeable battery to help you keep track of its charge status. Suggested uses include Radio Controlled Models and Power Tools. Nicad, Nimh, Lipo.

Charge the battery and manually slide to Green to show fully charged, after use slide to Red to show needs charging...simple.