LED1 RED indicates AC power on. The LED2 RED indicates charging and the LED2 GREEN indicates charging full. Note: some models need to bypass the on-board computer for charging.
Features: Input:AC 110V-120V Output:DV 48V 5A Plug:3 Pin Round Plug 48V 5 AMP Automatic Battery Charger. Need to bypass the on-board computer for charging;This product is made for overnight charging. Overnight Charging takes between 4-6 Hours, It may take longer than that if you have a battery in poor condition. The Trickle charge ability will increase the battery life and help out with better performance. This mode also makes it hard for your battery to overcharge. Charger has 2 LED lights that indicate the charging status. Automatic charging, full automatic shutdown High precision current and voltage lock, to ensure full, no charge Over current, over voltage, short circuit protection, safe and reliable Conversion efficiency > 90%, high efficiency and environmental protection Indicator light display, all aluminum shell, beautiful and durable European CE, environmental protection ROHS, safety certification Package Contents: 1 x 48 Volt 5 Amp Battery Charger With 3 Pin Round Plug 1 x Power Cord.