The OzCharge OC-61201(1A) Selectable 6V/12V battery charger & maintainer has been designed with one of the worlds leaders in Battery chargers and is the perfect charger to keep lead acid batteries in prime condition in vehicles which do not get used very often. • 6V / 12V Switchable (1ACharging Power)• Fully Charges Battery Automatically • Maintains Full Charge Indefinitely • Includes 2 Quick Connect harnesses - (Ring Terminals and Crocodile Clips.)• Designed to Prevent Overcharging your Battery • 2 Years Warranty* Ideal for Charging & Maintaining Motorcycles & Watercraft Batteries.** Ideal for maintaining batteries which are not used very often. The charger comes with a fly lead and 2 different kinds of connectors, crocodile clips and a ring terminal type. The ring type is perfect for permanent connection to your battery. You can connect the lead to the battery and tuck the lead away while you are using your vehicle and when you get back to your garage simply plug the lead into the charger.The intelligent integrated charging circuit in this charger is designed for permanent connection to your battery, it senses when your battery is charged and it will maintain your battery in prime condition for when you need to use it. Its small current and intelligent charging circuit will help you to maintain your lead acid battery in excellent condition and to get the maximum life out of it.Please note: This charger will not bring dead batteries back to life nor will it charge a totally flat battery. The charging circuit is designed to charge with small amounts of current to avoid damaging the lead plates inside your battery and prolong the life of your battery, it is not a miracle cure that will make you battery last for ever.Batteries do have a life span which when used with this charger will help you to get the most use out of the battery life. Use of high current chargers to charge your battery quickly in most cases will shorten the life of your battery considerably. If using Generator power, please use a Surge Protector to protect the battery charger from high Voltage Spikes. Fully Automatic with Reverse Polarity Protection Providing FOOL PROOF Technology.