Spectra Laser Universal Charger (95720-00) Overview for Spectra Precision 95720-00 Worldwide Charger for Laser Levels The Spectra Worldwide Charger works with the Spectra LL300N, LL300S, LL400HV, LL500, HV301, HV301G, HV302, GL412N, GL422N, GL512, and GL522 laser levels with rechargeable NiMH battery systems. This easy-to-use and high-quality charger has an input voltage of 100-240V and includes all plug adapters for worldwide use. In addition, the Spectra 95720-00 charger is double insulated to prevent electric shock and comes with a one year manufacturer's warranty.