How Many House Batteries Do I Need for My Solar System

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Question:

Good day I have three House Batteries in my Motor Home and I got two solar panels on my roof of the motor home and I would like to add some more panels the panels that are up there one panel is 170 and the other is 190 and I have four new 100 wat panels how many screws batteries should I run on this Go power System I got

asked by: Bruce S

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Expert Reply:

You'll need to add at minimum 1 battery and you could add as many as 3 since solar systems of this size typically recommend between 4-6 house batteries to store all of the power produced by almost 800w of solar panels. For reference, the Go Power Solar AE-6 All Electric System with 2 MPPT Solar Controllers - 1,140 Watt Solar Panels # 342-75011 you were looking at recommends between 4 and 8 batteries for use with that system.

The other thing you might want to consider is getting an active battery management system like the The Manager30 Battery Management System with Lithium Profile # RED88FR. This unit acts as an auxiliary battery charger, 110-volt charger, solar regulator, battery isolator, load disconnect controller, and remote battery monitor all in one system so you'll always know exactly how much power you're using and where your batteries are charged to.

I've linked a short review video of this unit that I recommend checking out, but if you're pouring a lot of money into expensive batteries this is definitely the best way to ensure that everything is properly taken care of. I've also linked one of our helpful articles on solar power which breaks down how many batteries are recommended for each system.

expert reply by: Erik B

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Answer 1

If you installed a decently sized deep cycle battery on your trailer you wouldn't have a problem powering the LED lights of it for the length of time mentioned since LED lights draw a fraction of the amperage as incandescent. Group 24, 27, and 31…

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Answer 2

Your best option is the The Manager30 Battery Management System with Lithium Profile #RED88FR. It does everything you need it to do, is perfectly compatible with your setup and batteries, and is an all-in-one solution that eliminates the guesswork of…

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Answer 3

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 4

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Answer 5

The first thing you will need for your 1999 D250 is a 4-way. The Curt T-Connector Vehicle Wiring Harness #C55317 plugs into the connection points behind your rear bumper and will allow you to power your trailer's signal lights. Once the 4-way is…

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Answer 6

Most rooftop cargo carriers fit the same roof racks, so chances are it will fit. To verify, we can look at which Thule roof racks fit your 2018 Honda Accord and compare that to the Inno Shadow 16 Rooftop Cargo Box - 13 cu ft - Matte Black…

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Answer 7

We do have the panels separately. What you're looking for is the Go Power Overlander Expansion Kit - 200 Watt Solar Panel #34282182.

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Answer 8

The best way to power the interior lights in your trailer is with its own independent battery. You will not want to use the breakaway battery. The breakaway battery is only designed to operate the breakaway and will drain extremely quickly,…

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How Many House Batteries Do I Need for My Solar System

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