Ask PYS: All Categories

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Do You Recommend The Victron 700 or Victron 702 Battery Monitor?, on Dec 04, 2017 asked:

Thank you for all of the electrical wiring videos on your website, they are a great help. I have a 1988 Catalina 30 with outdated and questionable wiring from the previous owner, so I'm upgrading. I have a two battery bank system (house and start). Do you recommend the Victron 700 (monitoring house only) or 702 (monitoring house and start batteries)? Thanks for all of your help. - Bruce

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How do I know what battery type my Xantrex Inverter/Charger is set to using the Freedom Remote?, on May 30, 2017 asked:

I have the Freedom 458 Remote Panel installed on my boat. As per your suggestion, I downloaded the manual for the Freedom 25 inverter/charger I purchased. Unfortunately the manual doesn’t show the new panel I received, it actually shows an image of the old one we replaced (page 29). If you read pages 29-35 it suggests the panel’s “dip switches” should be programmed to the Freedom 25 inverter. I’m sure we didn’t do any of that, your tech just plugged it in. Although the system appears to be working, how can I be sure the inverter/charger and the remote are correctly paired? Furthermore, can you provide a manual or instructions on how to use this panel? Or is this manual and I’m so “electrically challenged” I don’t understand it? Would appreciate your feedback on this. - Peter

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Promariner charger and Honda Generator, on May 09, 2017 asked:

You suggested a 50 amp Promariner charger would be suitable for my boat. Please explain how the charger could potentially put out 50 amps with a 30 amp shore power hookup. Also, would a 2000w portable Honda generator be able to feed this charger adequately when at anchor? -Brent

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Inconsistent Alternator Charging, on May 02, 2017 asked:

We are very pleased with the Firefly Oasis AGM battery you installed for us. We can actually relax about our power consumption now. We should have made the changes much sooner! Regarding charging the AGM battery, is it harmful for the battery to be charged to inconsistent levels by the alternator? When on the boat for several days, the battery does not always get fully recharged each day. Is it better, when possible, to minimize alternator charging and maximize charging with the smart charger when connected to shore power? - Sean

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3 Bank Battery Charger for 2 Battery Banks?, on Jan 03, 2017 asked:

The charger on my boat can charge 3 battery banks but I only have 2 battery banks. What happens with the extra set of cables? Can you double-up the charging cables to one of the banks? - Brent

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Can I Leave My Battery Charger "On" In Float Mode?, on Nov 02, 2016 asked:

I have lead acid batteries and a inverter/charger. The battery monitor is a Link 2000. When the monitor switches to the float mode, is it ok to leave the charger on indefinitely? – Doug

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Is there a solar trickle charger I could use for my Grady White on a mooring buoy?, on Aug 02, 2016 asked:

I have always enjoyed your presentations on the Sunshine Coast for the Sail and Power Squadron. I have a newly purchased, second-hand 2010 Grady White Adventure 208, hardtop with a 225 4 stroke and a 9.9 kicker (operated from the console). I have (2) 12v batteries, one on each side along the transom. I have the usual VHF, GPS/Chart plotter and a radar. I intend to get one or two Scotty downriggers (probably start with one). My boat is on a buoy for the summer and on the hard in winter. I have not been out much recently due to inclement weather but reading your recent article in Pacific Yachting, I am wondering whether I should buy a solar trickle charger. What would you suggest? And would I have to hardwire it? - Trevor

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Fluctuating Amperage, on May 31, 2016 asked:

I have a video of my charger display while the engine is running. At 2000 rpm, it shows that the charging voltage is constant (4.19 for the starter battery and 14.28 for the house bank), but the amperage is fluctuating all over the place, from 9.2 to 11.8A, sometimes settling around 10.4, but then fluctuating again. I understand, from our conversation, that this is not unusual? - Tim

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Should I install an external fan for my inverter/charger? - Mike, on Apr 04, 2016 asked:

I would like to install a fan in the area that I have installed the inverter. I have cut two large holes to help with circulation but I still don't think there is enough ventilation. Is it possible to add a fan that operates automatically each time the inverter turns on?

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What Should My Voltage Be on Shore Power? - Greg, on Mar 10, 2016 asked:

My Grand Banks 42 is on shore power but the charge only ever goes to 12.8 VDC. Is this correct or should it be higher?

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