The Kincrome KP87004 6-Stage, 12Volt 10 Amp fanless, fully sealed charger is extremely robust and is both dust and splash proof to IP64. Perfect for charging applications with a close proximity to water such as boats. The charger has passed Australian/New Zealand Standard AS/NZS 60335.2.29 clause 21.102 for vibration so it can be legally used in caravans and similar vehicles.This charger is suitable for all lead-acid chemistry battery types including AGM, Calcium and Gel types between 6ah and 200ah. This model also includes the popular Equalisation and patented Rejuvenation modes for extending the life of your battery. A battery temperature compensation sensor is provided as standard for accurate charging and maximising battery life. In the event of a battery failure, this model will become a power supply so you can still turn on lights, TV, water pump, and other important appliances in a caravan or RV application.