charging

  1. LD

    E450 155A alternator for charging 2 LiFePo4 batteries

    I was wondering if anyone had real world experience charging 2 LiFePo4 batteries (Renogy Smart Lithium 100Ah), using a 155A alternator while driving? I just ordered a DC amp clamp to do some testing but in the meantime, I'd like to hear about anyone who has gone this route (vs DC to DC). The...
  2. SA

    Alternator charging question - 2021 Sunseeker 2400BSD

    I assume there is some sort of isolator installed between the chassis alternator and the coach batteries. My dealer doesn't seem to know what is installed and how it functions. Mercedes says it is a Forest River part and they are not responsible. Any insight? Do I need to call the factory...
  3. RH

    Charging Station has no power

    My charging station on my rock wood mini light 2019S has no power coming to it. I followed the wires. The charging station is also a transition box. One wire comes out of the under belly of the camper. I believe this wire goes to the electrical panel in the rear of the camper (red wire , white...
  4. BO

    What charges what

    I have a 2004 Sun Voyager and I am confused as to how the batteries are charged. How are the house batteries charged and what relationship is there to the chassis battery. After having my MH plugged into 110 the house batteries got real low on their charge. The chassis battery stayed charged.
  5. OU

    Charging TT from tow vehicle

    I've learned a good bit by reading some of the past posts about charging TT batteries while towing but now I have a couple of questions that I have not seen definite answers to. Equipment: 2007 Ford F150 XLT, 5.4L, 2WD, Coachmen Clipper 16B TT. I've added (1) 180W solar panel (not...
  6. SA

    Battery discharging in storage

    I have a 2017 MBS 2401WS Forester motorhome on a Sprinter chassis. This spring when I took it out of storage all the batteries were dead. I had to get a tow truck to jump start it after trying to jump charge it with my car and a diesel pick up. I did manage to get the genny started to charge...
  7. MS

    2006 Dynamax battery charging question

    2006 dynaquest 32. As a new owner I am finding out how the coach works by trial and error. Are the house batteries suppose to charge when the coach is running? Mine do not. Searching the threads I see the newer coaches have a BIRD, do the 2006 units have a similar setup? If not I would like to...
  8. WA

    Alternator charging in 2015 REV

    I have seen several threads that talk about charging the coach battery using the Promaster alternator. My 2015 does not do this. Is this due to an issue that I need to troubleshoot? Or is this a feature added in later model years (2015 is the first year)? Reminds me of the old advice to never...
  9. GravelRider

    Shore power/generator not charging batteries well

    I have a 2021 Grey Wolf 22MKSE that came with a single 12 volt 75 Ah battery and a 50 watt solar panel. I upgraded to a four 6 volt 430 Ah battery bank and 800 watt solar panel system with MPPT controller setup. The solar works very well at charging my battery bank quite quickly and rarely...
  10. CO

    Improving trailer charging while driving

    I have a 2003 Chevy Duramax. It is equipped with a single alternator. It has the mount for a second one, but I suspicion there is more to the electronics than simply adding another generator. My problem is simply, the truck does a very poor job of recharging the trailer batteries while driving...
  11. LD

    Batteries not charging after lithium conversion

    Hi, I've got a small problem and am hoping someone can help: I installed two new Renogy 12v 100Ah to replace the stock marine batteries in my RV. After the swap, everything was back to normal. I then upgraded the converter part of my WF-8955 with the PD4655LIV. After plugging everything back...
  12. Bob2019

    Battery charging and One Control monitor

    Bought two new deep cycle batteries for my Forester. Batteries on One Control tablet monitor show charge after 3 days plugged in somewhere between 12.3 at 70% to 12.4 at 80%. Battery level charge never gets to 12.6 which is 100% charge. Is the One Control reading of voltage accurate? I...
  13. RA

    Batteries: OK to use two charging sources?

    My camper has two 12V batteries hooked together (would that be in series?). It's currently in for some repair (not battery related) and we're taking it camping the day after I get it back. The batteries were pretty depleted before I took it in so i will need to charge them quickly when it comes...
  14. KN

    Battery charging

    Hello Group, Another newbie question...I didnt double check to make sure my radio and inside lights were off before I closed up my 2018 wildwood for the weekend. I had 2 inside ceiling and the radio power on, but not playing..my question after reading the owner's manual.. Since the converter...
  15. SG

    2015 MBS Forester Battery not charging on generator or shore

    Plugged into shore power, battery draining Ran generator, no charge Chassis engine is charging battery. What is the fault and where might that be located so I can fix it?
  16. ST

    Battery charging

    What are most of you doing to keep the chassis battery and the coach batteries charged when not using I have a cover on ours so the solar panel is covered? I have a battery tender and it dose not keep up with the coach batteries my full size charger seams to work fine for the chassis battery.
  17. FO

    Rv battery charging

    2017 Forster House batteries not charging was working fine.Converter working fine no blow fuses at the battery didn’t find any loose wires all seemed good in control box. Any suggestions on next step? Thanks
  18. BC

    Charging chassis and house batteries while driving...what I have found

    For about a year I have had an intermittent problem with my house batteries not being charged with the alternator while driving. It would work fine sometimes and sometimes only the chassis battery would take a charge. It would correct itself so I kind of lived with it. I have found one thing...
  19. Cherokee274

    Battery charging automatic shutoff

    Hi does the 2017 cherokee274dbh had a battery charging automatic shutoff if battery is full charge
  20. SI

    Generator charging issue

    2016 Vengence toyhauler with onan generator. Generator does not seem to charge onboard batteries. I assume that when generator is running the converter is doing its job just like if the camper was plugged into shore power. Is there a switch somewhere?? Also, only one of the ac units will operate...
  21. GI

    House battery charging question? Charging batteries from two sources simultaneously

    I have a basic question about charging my Lithium house batteries from 2 sources at the same time. If my batteries are being charged from my chasis alternator at 14.4 Volts while driving and my newly installed 300 Watt solar panels are also charging batteries at 14.4 volts as I drive, will...
  22. RU

    Roof Mounted Solar 12 V Charging System with 2nd battery?

    One of the options I am looking at for the new Forester 2351le is the roof mounted solar 12v charging system with a second battery. Has anyone had this option added to their RV? My question is what else do I need to purchase to have the solar system operational?
  23. LE

    Trailer not charging when on the road

    I have a 2020 f 150 and a 2019 2506 rockwood mini light. With my 2014 f 150 I had to install a relay that ford left in the glove compartment and the charging work fine. The 2020 f 150 appears to have all relays and fuses in place. I had replaced my 12 volt batteries with two six volt and...
  24. Jim_74

    Some 12V Battery & Charging Questions

    Took our new Roo out for its first dry camping trip. I had already noticed that the batteries the dealer included are 2 24DP in parallel. I had never used a dual purpose over deep cycle and noted that the combined RC was only 200 vs. 280 for 2 24DC. Well, I wasn't too impressed with the...
  25. DE

    Battery Voltage After Charging

    I'm fairly inexperienced with battery concepts, but have installed dual 6 volt golf cart batteries from Costco, and a Victron battery monitor BMV-712. I plugged in my trailer to shore power to recharge the batteries. After approx 3-4 hours on shore power, I unplugged the trailer, and...

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