Good equipment. Stresses, however: time limited battery if maximum power. we must connect directly to the battery terminals and run the engine regularly to maintain the charge. Warning on cigarette lighter does not exceed 300 watts.
Lack of information for installation and use as the type of battery that needs plugging in (slow discharge). But despite this, it's a great product and value for money. Note that the cables are really too short (1 meter long). Can be connected over a
