The Victron Energy Blue Smart IP67 Waterproof Charger is the new professional battery charger with built-in Bluetooth. The Blue Smart IP67 Waterproof Charger can be used on devices in your workshop and on motor vehicles, such as classic cars, motorbikes, boats, and camper vans. The battery is charged, smartly, to perfect condition. The seven-step charging algorithm gets the best out of your battery. The charger gives the battery the power it needs, maintains its health, and ensures better performance and a longer life. Unlike other brands, the Blue Smart IP67 Waterproof Charger will attempt to recharge a deeply discharged battery by force-feeding it with a low current. Normal charging will then be resumed as soon as there is sufficient voltage across the battery terminals. Check the status of your battery remotely. The Blue Smart IP67 Waterproof Charger is equipped with built-in Bluetooth, so the status of the charger and the battery can be checked on a smartphone, tablet, or laptop. All settings of the charger can be configured with the VictronConnect app. The charger comes with both crocodile clips and M8 eyelets, making it easy to connect to the battery. If you wish, you can leave it permanently connected.• Water, dust, and chemical resistant• Seven step smart charge algorithm• Recovery of fully discharged 'dead' batteries• Automatic power supply function• Severe cold performance down to -30°C• Low power mode to charge smaller batteries• Li-ion battery mode• Setup and configure, readout of voltage and current by Bluetooth SmartSpecsInput: 100-135V AC 45-65 HzEfficiency: 95%Charge Current (normal mode): 17ACharge Current (low): 6ABattery Connection: Black and red cable, 5' ea.120V AC Connection: 5' cable with NEMA 5-15 plugWaterproof Protection: IP67Dimensions: 3.9"H x 8.6"W x 2.6"D Attempts to recharge deeply discharged battery by force-feeding it a low current Check the status of the charger & battery on your smartphone or laptop All settings of the charger can be configured with the VictronConnect app | Expion360 Victron Energy Blue Smart IP67 Waterproof Charger, 12V / 17A, 120V, NEMA 5-15 in Red