The RF Brand RF6200C is a six port battery charger for HME BAT50 batteries. This unit charges up to six batteries simultaneously. The charger is powered by a 5V power adapter (US) capable of sourcing at least 2 amps. The RF6200C features an input voltage protection, trickle charging capability, battery temperature monitoring system, as well as an indicator system. The LED indicator system includes a battery fault, charging and power on indicators. Charge time from 0 to 95% capacity is typically 3 hours and 95% – 100% is an additional 25~ minutes via trickle charging.