Powering A Small Fridge While On A Boat

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Question:

Hello, I bought a small fridge for the boat I bought a 3000watt inverter Should I buy a battery this all hooks up to that could be charged when the boat is running?

asked by: Bruce

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Expert Reply:

To charge the battery while the boat is running you would need to install solar panels which depending on your boat might not be an option. Typically most people run multiple batteries in parallel to run their appliances/equipment. Since you'll be running a fridge I recommend a deep cycle battery like the Bright Way Deep Cycle RV or Marine Battery - AGM - 12V - 110 Ah - Group 30H Item # BRW44FR. Deep cycle batteries are designed to provide a steady amount of current over a long period of time and can be repeatedly discharged and recharged without causing damage or shortening their life.

A 3000 watt inverter like the Go Power Industrial Pure Sine Wave Inverter Charger - 3,000 Watts - 100 Amps - 12V Item # 34275013 is a bit overkill for a small fridge. I recommend the Power Inverter 1000 Watts with Three AC Receptacles Item # WC3720 as it has three receptacles to power your fridge and two other appliances. You'll most likely need some extra 6AWG wire to run it to your battery bank.

expert reply by: Kevin C

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Answer 1

The Power Inverter 1000 Watts with Three AC Receptacles part #WC3720 provides 1,000 watts of continuous power and 2,500 watts of surge power. These are the two figures you need to look at for appliance compatibility. This will be ideal for smaller…

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Answer 2

A 4-Way trailer connector has the basic lighting functions only; running lights, left turn signal and brake lights, right turn signal and brake lights, and ground. A 7-Way has these functions and a 12 volt circuit, a circuit for electric trailer…

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Answer 3

You should have no issue hooking up your trailer battery to the same 12 volt wire that charges your breakaway battery. You will just need to make sure that you do not drain the batteries when they are being used. An isolator or diode is not needed…

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Answer 4

The battery that comes with the Bright Way Trailer Breakaway Kit with Switch, 12V, 5-Amp-Hour Battery, and Charger #3802339 is a 12 volt sealed lead-acid battery and these batteries have a life cycle that can vary quite a bit, but typically it has…

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Answer 5

I checked with Thule and the hardware is available to install the Replacement Fairing Clamp for Thule Canyon Roof Baskets #1500052562. What you need is Carriage Bolt #915-0622-54; if you also need the 3-Wing Hand Knob that is part #753-0783.

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Answer 6

I recommend checking out the TST TPMS for RVs - Color Display - Signal Booster #TST-507-FT-4-C. This is my personal choice if given one because it's simple to use, and you don't have to remove the sensors every time you air up. It may not…

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Answer 7

The battery isolation solenoid itself, #PK5231201, is rated for a maximum of 100 amps, but you will not need that much on the 12 volt circuit that powers the unit. The techs suggest that the middle terminal should be attached to an ignition switch…

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Answer 8

The Power Inverter 1000 Watts with Three AC Receptacles #WC3720 that you referenced has three standard outlets on the back of it for powering accessories like you mentioned. There's no additional wiring needed to plug in a microwave or coffee…

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Answer 9

When two batteries are wired in series, such as with your two 6V batteries wired together to give you 12V operation, the negative terminal on one battery and the positive terminal on the other will be what you connect to your inverter. The linked…

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Powering A Small Fridge While On A Boat

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