Features: The 55Amp motorhomes power converter features three stage intelligent charging for lead acid batteries, extending battery life by 50% with built in overcharge/short circuit protection and quiet fan operation. Engineered with upgraded aluminum alloy housing and temperature regulated cooling system, this power converter automatically shifts to trickle mode at 13.6V. Ideal for motorhomes owners, marine enthusiasts, and adventurers requiring reliable 12V battery maintenance for electronic devices and appliances during extended trips. Perfectly suited for charging lead acid batteries in recreational vehicles, trailers, or boats during camping excursions, road trips, or stationary power supply scenarios. This converter combines industrial grade durability with quiet performances, ensuring uninterrupted power flow to critical systems while safeguarding your motorhomes electrical infrastructure. Specifications: Component:aluminium alloy Size:Approx.22x10x15cm/8.66x3.93x5.9inch Power: 950W Output current: 55Amp Output voltage: DC13.6V Input voltage:AC105-130V Frequency:60HZ For WF-9855 WF-9800 WF-9855-AD Package Includes: 1pcs Power Converter note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.