The Spectra Precision CH10 Worldwide Charger powers the Q104667 battery pack which is compatible with the GL612N, GL622N, GL622IR, UL633N, DG613, DG613G, and DG813 pipe lasers. This charger also works with the GL612, GL622, and UL633. This universal charger includes adaptor plugs for EU, UK, US, and AUS. It features a security timer and a LED charging indicator for efficiency. Maximum charging time is 12 hours, afterwards it will automatically stop the charging process.