Feature:1. The multi-stage intelligent charging function maintains a constant current and voltage during the charging recovery stage.2. After charging is complete, the charger will automatically return to floating mode.3. Provide reverse polarity protection, short circuit protection and current limit, high safety in use.4. A simple boost connection can be made using the on-board terminals to promote and equalize battery power.5. With power saving mode, when the battery is fully charged, the charger will switch to Eco-Power to save energy.Specification:Item Type: Battery ChargerMaterial: ABS plasticModel: DSE9130 12V 5AInput Rated Voltage (Standard Range): AC 110V-277VInput Rated Voltage (Absolute Range): AC 90-305VInput Voltage Frequency: 50/60HZOutput Voltage: DC 12VOutput Rated Current: 5AWorking Temperature: -30℃-55℃Rail Type: Only EN 50022 35mm typeSize: Approx. 140.4 x 136.5 x 63.4mm / 5.5 x 5.4 x 2.5in Package List:1 x Battery Charger1 x User ManualNote:1. For personal safety, the grounding wire of this machine should be reliably grounded.2. Although the machine has been treated with moisture and corrosion protection, please pay attention to avoid working in wet and corrosive places when using it.3. The charger is in a continuous working state, and there must be a certain space for heat dissipation and ventilation during use.4. The components in the charger have been adjusted and set accurately, please do not adjust easily.