12 Amp Quick Charge High Power. 16ft Long Input and Output Cord. Only suitable for charging Lead-Acid Batteries. Made of reinforced thickened space aluminum alloy shell ensures not rusting or fading. Five-stage charging mode to protect your battery: No-load mode, Constant current mode, Constant voltage mode, Floating charge mode, Trickle mode. Output head: Polarity N=Positive, L=Negative. Specifications Applicable Battery: Lead-Acid 36V Output Current: 12A Input Voltage: 110V Size: 205* 150* 70 MM Weight: 2KG Approx. Charge Plug: Crowfoot Style Plug