SeaKnots

Happy 4th to all. 

I'm thinking of installing a 10,000 watt inverter on my B40 and curious to what others may suggest size-wise on an inverter. Overkill perhaps? The goal is to have the ac outlets hot for fans and chargers at anchor as well as toaster oven and microwave. The eventual television and boosted antenna. Absolutely no thought of using the air conditioning nor water heater.

Any thoughts or suggestions?

Thanks,  Wayne 

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Replies to This Discussion

You will want no more than a 2000 watt inverter. My B-40 came with an 1800 watt inverter and that was more than enough to run everything you mentioned. . The toaster and microwave can not be run simultaneously and we always ran the engine with the heavy amperage appliances.Your TV and antenna will draw about 5-7 amps based on its size. The toaster and microwave are about 1200-1500 watts and will quickly discharge your battery, if you do not run your engine at 1800 rpm to keep the battery charged. Fans, charging electronics are minimal. 

Forget about air conditioning unless you add a generator. Also, an inverter draws from the battery. You can't use it to charge the battery using the battery charger. You create a circle of electricity and the overhead of the inverter just continues to discharge the battery. Make sure you get a pure sign inverter or some of your appliances and chargers may not work.

If you are interested in installing a generator, I can help you with that as I installed a NextGen 5.5 kw genset in the cockpit locker of my previous B-40.

Wayne, we have a 2000W and like Bruce said it's more than enough. I wired ours into the 110V system at the breaker panel. And like Bruce mentioned you can only run one major appliance at a time. Not only will you over tax the inverter and battery bank you'll also trip the circuit breaker. One problem I encountered when installing ours was with the wiring size, specifically the ground wire that runs from the inverter chassis to the engine block. Xantrex specifies use of the same size wiring for the Ground as the Positive and Negative wires. After buying a proper size wire, at a rather tidy cost, I began to install the unit only to realize the chassis Ground Lug was too small to handle it. I had to buy anther smaller size wire. Not only did it waste money on the wrong wire, in the event the inverter should short to the chassis the Ground wire may not handle the surge. So if you go with a Xantrex check things out before you buy.
Mike

Thanks for the input guys as it will save some money with a smaller inverter. I had looked at specs on the NextGen 5.5 but unsure if we'd be happy with the humming. However, we've not ruled it out provided I can get away from the rat race to install myself. 

Guess I could use the Honda 2000ie I have but rather not deal with having to lift it in and out of the locker and storing mogas onboard.

Wayne

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