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What happens when I have multiple charge sources charging a single battery bank

What happens when I have multiple charge sources charging a single battery bank? I get this question asked almost every day. "I have a battery charger, an alternator, and solar panels charging the same battery. Does it get overcharged?" Here are some thoughts on the subject.....
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Off Grid Solar House

This is the story of the final installation of Victron equipment on this off-grid solar house, this house has a twist though, it is made of straw bales......
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Altmount installation on a Universal M35

Here is a photo and description of the installation of an Altmount kit on a Universal M35 on a Nonsuch 30
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Help with interpreting Amp Hour Readings

I'm getting weird reading from my Victron BMV amp hour meter. The readings don't seem to relate to what I think is happening. HELP !
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Dont do this

Its a total No-No to connect AC Neutral to Ground on board a boat.  One boat did by accident, see what happened.......
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ABYC standard for ELCI's explained

ABYC standard for ELCI's explained

We all know that electricity and water don't mix.  What we may not be aware of is how many drownings occur every year because of electrical current in the water.  The new ABYC standard requiring ELCI circuit breakers on shore power service to boats is an attempt to reduce the amount of stray electrical current in the water - read below for an explanation of what this is all about.
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USCG Boatbuilders Handbook goes online

Boatbuilders Handbook

The USCG Boatbuilders handbook is now online for free........
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Custom sub-panel for Amel 54

This is just a small sub-panel on this French built saiboat. Part of the panel is 12 volt and part is 24 volt
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New Victron Energy Bluetooth Dongle now available

Bluetooth DongleA Bluetooth dongle is now available so that you can read data from your Victron Energy BMV energy Monitor or MPPT Solar Charge Controller on an iPhone, iPad or Android Devices
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Voltage drop tables

I am always referring to these tables so I thought I would put them in my blog where they will be easier to find
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Sizing wire for AC circuits

This post gives a few pointers for sizing wire in AC Circuits
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A comparison of ANL and MEGA fuses

ANL and MEGA fuses are similar high amperage DC fuses but there are some big differences. Here is a comparison.....
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Ampacity Tables

I end up looking up this table so often I decided to post it on my blog
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Serpentine kit installation on a Yanmar 4JH4-HTE

Serpentine kit installation on a Yanmar 4JH4-HTE

This was my first time installing one of the Balmar Serpentine kits and I was a bit apprehensive. Although I had read the instructions several times it still isn't quite the same as actually doing it. Read how it all turned out.........
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How do you size a battery charger for a sailboat

What are the factors that go in to deciding how big a battery charger to install on a sailboat?
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What is the Start Isolation feature of an ACR for?

The start isolation feature of Blue Sea Systems ACR's is even incorporated into the name of the device. It is an optional feature with a very specific application......
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Victron Energy more than doubles its warranty period

Victron Energy more than doubles its warranty period, now five years for all products except batteries
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Alternator upgrade case study

Question: I need to replace my alternator for a Yanmar 3YM30 /2006. It is a Hitachi 60amp and I am thinking in replacing it with a higher amp output. I might then need to replace perhaps the pulleys for the water pump and the crank shaft and then of course consider a serpentine or other type of belts. Would appreciate your suggestions?. Thanks.
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Isolation Transformer or Galvanic Isolator - which is preferable?

A discussion on the relative merits of transformers and galvanic isolators
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Battery layout for twin engine boats

Battery layout for twin engine boats

There are many ways to do a battery layout for multi-engine boats, here is one simple layout using remote switches.
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What does an alternator regulator do and how does it work?

What does an alternator regulator do and how does it work? An alternator regulator supplies current to the rotating part of the alternator. The rotating part is called the rotor, and when current is applied to it it becomes an electromagnet. Its rotation generates an alternating current in the fixed windings of the alternator, called the stator. The regulator acts as a control mechanism for this process
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Small sailboat custom panel that incorporates some existing equipment

This small sailboat got a custom 360 Panel from Blue Sea Systems that was required to incorporate an existing Blue Sea Systems digital meter and another brand digital meter
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Help - my batteries are getting HOT!

Help!  My Batteries are getting hot!  What should I do?
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New Victron Energy iPhone App

Victron Energy now have a new iPhone app to help interpret the blinking lights on a Multi-Plus or Quattro inverter/charger
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Circuit Breakers vs Fuses

Circuit Breakers vs Fuses, the Presidential Debate. Who to vote for? This short article will look at this debate in the context of two very similar switch panels by Blue Sea Systems. The Blue Sea Systems 4306 WeatherDeck switch panel with fuses is almost identical to the 4376 switch panel with circuit breakers. Which should you choose?


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