![]() On this vehicle the power switch will glow yellow or green, indicating that a maximum of 115VAC at 100W (when the vehicle is being driven) or of 115V at 400 W is available at the power outlet. Watch out: when using the built-in 115V electrical power outlet on the Toyota FJ Cruiser, the vehicle's engine must be in operation and the AC-115V switch must be turned on on the vehicle's dashboard instrument panel. The Toyota FJ Cruiser also includes a built-in 120V electrical outlet in the rear of the vehicle. Standard cell phone chargers such as the unit provided by Samsung for our example here are intended to connect to a 120-V electrical receptacle or a 240V AC receptacle (most adapters handle both voltages) and to provide an output voltage of 5-Volts DC.īecause the current requirements to re-charge a cellphone is very small, you can do a lot of cellphone re-charging from a car battery without much worry about running down the battery even if the vehicle engine is not running.Īt left, using a Toyota FJ Cruiser dash power outlet as an example, we illustrate the easiest way to re-charge a cellphone for emergency use when there is no electrical power in nearby buildings. There are several approaches to using the 12-V electrical system in a vehicle for light-duty electrical use, such as re-charging a cellphone, flashlight, or computer, ranging in difficulty from trivial (just plug it in) to suitable for a handy person who has a knife and some small gauge electrical wires at hand.Ĭonnect a 12-volt USB adapter to the vehicle's utility outlet or cigarette lighter socket as light-use backup emergency electrical power sources - recharging a cell phone or operating a tablet or laptop computer How to use ordinary cars, trucks, vans, etc. Power tools typically need about 400 watts, though you may be able to recharge batteries used in battery-operated power tools using a charger that itself requires lower input wattage.Operation of battery re chargers for batteries used to operate small power tools such as drills & saws.Flashlight recharging, typically needing about 10-15 watts of power.At this power level you could probably also operate a 13-inch TV. Laptop computer charging & use, typically needing about 100 watts of power.Tablet computer charging & use, typically needing about 10-15 watts of power.Cell phone, PDA, charging & use, typically needing about 10 watts of power, can be attached to car power by their USB cable using a simple and tiny Car-USB adapter like the unit shown at left. ![]() Reasonable uses & wattage requirements for car, boat, truck, RV and similar 12-VDC to 120V AC charging devices and transverters include The methods we describe below permit use of a vehicle or just a vehicle 12-volt battery as an emergency power source sufficient to provide emergency cell phone recharging, computer use, lighting, even light power tool operation. How to use a car, RV, truck or its battery as an emergency electrical generator for charging cell phones & operating tools We also provide an ARTICLE INDEX for this topic, or you can try the page top or bottom SEARCH BOX as a quick way to find information you need. We also describe methods for obtaining temporary electrical power from a car, RV or other 12-V or 24-V vehicle or system. We describe generator size requirements, where to buy an electrical generator or voltage converter, and how to hook up or wire a portable or backup electric generator. This article series discusses the use of emergency generators for electrical power backup at residential properties. We include a list of manufacturers and sources of DC - AC power converters, inverters, or transverters that permit using a car or other vehicle to power small electrical devices & tools. Here we describe several methods for obtaining temporary or emergency electrical power from a car, RV or other 12-V or 24-V vehicle or system. Guide to 12-V car or truck voltage converters or transverters for portable, backup & other emergency use. We have no relationship with advertisers, products, or services discussed at this website. InspectAPedia tolerates no conflicts of interest.
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