Victron Energy Blue Smart Battery Charger: 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 7-step charging algorithm: The 7-step charging algorithm gets the best out of your smart marine battery charger. The charger gives the battery the power it needs, maintains its health, ensures better performance and a longer life Charge dead batteries: Victron Energy Blue Smart IP67 Charger attempts to recharge a deeply-discharged battery by force-feeding it with a low current. Normal charging resumes once there is sufficient voltage across the terminals Complete protection: The trickle charger is completely encapsulated, waterproof, shockproof and ignition protected which withstand the rigors of an adverse environment For all kind of devices and vehicles: Victron Energy Blue Smart IP67 Charger is waterproof and can be used on devices in your workshop and on motor or marine vehicles, such as (classic) cars, boats, yachts and motorbikes