520-03-73 Smart Charger

Smart Charger is used with the 3M HEPA Airstream to charge the 520-01-02R01 Battery.The smart charger will fully charge these batteries in 6 hours. No need to discharge the battery for recharging, the smart charger is self-monitoring. An automatic switch-over to Trickle Rate mode prevents overcharging your battery. This battery charger will also charge the old style 520-01-18R01 sold on the AGH1, AH1, AH5, and the AS200 systems.