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A comparison between the XT and AT series alternators by Balmar


A comparison between Balmar's AT and XT alternator series
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Trending data added to Victron Connect App



The latest version of Victron Connect (V5.5)includes graphs showing trends for key parameters in Solar and Battery Monitoring mode
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Firmware updates with Victron Connect

Firmware update



Firmware updates to equipment connected using Victron Connect can be made offline as long as your Victron Connect App is up to date. This blog is a reposting of the original Victron Blog Post on the subject.
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DC load calculations for marine and mobile projects

WorksheetDC Load calculations for marine and mobile projects. A discussion on how to size the loads for panelboards, how to calculate daily power consumption and generation, and how to use that to come up with a battery size.
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Mounting options for the Blue Sea m-Series battery switches

Mounting for m-Series battery switches



Blue Sea Systems m-Series battery switches can be mounted in three different ways and this article shows how that works.......
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Victron Bluetooth pairing code

This article tells you what to do if you are asked for a Bluetooth pairing code for your Victron Bluetooth device
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How we handle warranty claims at PKYS

Warranty claims are handled differently depending on the manufacturer of the item. Read more to learn how to deal with warranty issued for items purchased at PKYS
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Generating a 120/240 Volt split phase power supply from an inverter

Split phase inverter system

There are a couple of ways to set up a split phase 120/240 volt system using an inverter. This article discusses the merits of the different methods, 
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Demo electrical system layout with Victron 24 Volt MultiPlus inverter charger, solar panels and generator

This post shows a wiring diagram prepared by Victron Energy showing in detail how some of their products connect together. I have annotated the drawing with notes and comments.
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Please use Victron VE Bus cables to hook up Victron VE Bus equipment.

Please use Victron VE Bus cables to hook up VE Bus equipment. Other brands may or may not work, its really not worth the hassle. Read more....
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A comparison of Victron 24 volt Lithium Batteries

Its a bit confusing that there are three different types of Victron 24 volt Lithium batteries and this article attempts to explain the difference between them.
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Frequently Asked Questions about Lithium Batteries

I spend so much of my time answering questions about Lithium Batteries that I decided to put some of the most common questions here for all to see. This is an ongoing project so check back again to see more. I apologize for the randomness of it but when I have enough written I will try to sort them by category
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Ultimate Camper Electrical System

This is a link to two detailed articles that appered in the online magazine Truck Camper Adventure. Written by PKYS customer Pat Davitt they detail the ultimate electrical system he constructed for his Truck Camper Rig. He went with a pair of 24 Volt Victron HE Lithium batteries to make a system that runs on 48 volts. The articles give detailed wiring diagrams and specifications as well as background on why he selected the items he did.
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24 Volt Lithium Battery Layout

This is a sample labout prepared for a catamaran with a 24 volt electrical system.
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How To Avoid Interference Between LED Lights and VHF Radios

The United States Coast Guard recently issued an alert regarding the potential for Electro Magnetic Interference between some LED lighting products and vital communication devices like VHF radios and Automatic Identification Systems.
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Solar Panel on Sprinter Van

The panel is a Canadian Solar 300watt mono-Si PERC. The van is a Sprinter 170. The batteries are Victron Smart LiFePO4 200 Amp Hour Lithium Iron Phosphate. The Inverter is a Victron Multiplus
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Using the Victron Energy Autotransformer in a US 120/240 Volt system

The Victron Energy Autotransformer is the one item we sell that causes the most confusion. Read about how it gets used in a US 120/240 volt system here
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Camper Van and RV Electrical Systems

Camper Van and RV Electrical Systems

Camper van and RV electrical systems comprise charging from the engine, shore power and solar panels. From these sources we can charge batteries or power AC and DC systems directly allowing for extended time off grid and away from shore power.
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Blue Sea Systems fire recovery update

As many of you know, on November 10, 2018, a fire broke out at the Blue Sea Systems Bellingham, WA facility resulting in a total loss of the building including the production area, office space, product, assembly fixtures and test equipment. Since then, a lot of work has been done to aid in the recovery plan. Read an update of the progress that has been made.
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How to test a galvanic isolator that doesn't have a monitoring system

Galvanic isolators are a bit difficult to test.  Current ABYC standards require that galvanic isolators be self testing.  For testing older isolators without this feature there are a number of methods that can be used, the one that follows is one that I found most useful.
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What is a galvanic isolator and why should my shore power system have one?

A galvanic isolator is a device used to block low voltage DC currents coming on board your boat on the shore power ground wire.  These currents could cause corrosion to your underwater metals; through hulls, propeller, shaft etc.

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Installing a High Power marine alternator on your boat.

Arguably, there is no more worthwhile electrical project you can undertake on your boat to improve comfort and convenience than the installation of a high power alternator.  Having a high power alternator will provide you with a substantial improvement in the availability of electrical power on board. 
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Why is my Amp Hour Meter giving strange readings after its winter break?

Amp hour meters do a great job at assisting the boat owner with battery management.  They provide an accurate reading of voltage and of amps going in and out of the batteries and by keeping track of these readings over time they can provide a reading of "amp hours" or the state of charge of the battery as a percentage.  They also often maintain a record of historical data and can use that to figure out battery efficiency.
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How big a battery bank do I need?

For most people to answer to this is "as big as possible".  Charlie Wing's book the "Boatowners Illustrated handbook of Wiring"  has a very good explanation of how to calculate the capacity you need. The calculations start by working out what your daily load will be both at anchor and while underway.
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Should I hook up batteries in Parallel or keep them in separate banks?

There may be some disadvantages to hooking up batteries in parallel but there are also considerable advantages. The main disadvantage as I see it is that as the batteries get old one will fail first, quite often by getting a shorted cell.
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