Activ Energy - U-LED compatibility
The new FERREX 20V U-LED battery platform introduces smart features, such as integrated LED indicators, allowing you to easily check your battery level. However, upgrading doesn’t mean replacing everything you already own.
Please carefully check the compatibility of your tools, batteries, and chargers below. If you have any questions, please contact our help center. System compatibility between 20V batteries and chargers. Certain previous manufactured items of Activ Energy (G1 - Generation 1) may experience compatibility issues with the latest 2026 Ferrex batteries or chargers (G3) such as Activ Energy charger Model XYZ563. 𝐍𝐨𝐭𝐞: 𝐌𝐨𝐝𝐞𝐥 𝐗𝐘𝐙563𝐚 (𝐆2) 𝐢𝐬 𝐜𝐨𝐦𝐩𝐚𝐭𝐢𝐛𝐥𝐞. The reason for this is the ongoing system design updates and technical developments, which may cause older versions to no longer be fully compatible in some cases. This is a common phenomenon in the industry, as technical standards continuously evolve and backward compatibility can therefore become limited. A well-known example is mobile applications (apps) that no longer function fully — or at all — on older smartphones.
If you experience any such issues, please contact SUPPORT for further advice.
