Short-circuit Protection: Charger O / P cut-off automatically when short circuit. Overload Protection: Charger O / P current-limited automatically when overload. Reverse Polarity Protection: Charger O / P cut-off automatically when batteryreverse connection. Automatic multi-rate charging function: Equalizer Charge and Floating Charge. Parallel Operation Available: Parallel with Battery as DC Power Supply operation available. Unique LCD Display: Indicating both charger status and battery level. 3 LED Display: Red (Power On) , Green (Floating charge) and Yellow (Equalizer charge). Advanced SMD Technology: Reliable and Elegant