Recent content by hey-hey-my-my

  1. hey-hey-my-my

    Multi-stage charging: skipping absorption?

    Thanks for your reply. It's a Varta LAD260 (which I got as part of an offer - wouldn't have been able to afford it otherwise!). I've searched all over the place for guidance on charging voltages for this model, including the product's datasheet and documentation. It's pretty rudimentary - all it...
  2. hey-hey-my-my

    Multi-stage charging: skipping absorption?

    Good morning, I'm on the road year round in a motorhome with two 100w solar panels (soon to be doubled) charging a 260ah AGM battery via a 20a MPPT charge controller. I also hook up a 30a multi stage mains charger about once a week to properly charge the battery. I'd like to get the most out...
  3. full MPPT settings.jpg

    full MPPT settings.jpg

    • hey-hey-my-my
    • Media item
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    • Category: Electrical Videos
  4. hey-hey-my-my

    About Victron chargers and AGM batteries

    Hi all, I've just purchased a Victron 7 stage 30A charger : Victron Blue Smart IP22 Bluetooth Battery Charger - 12V 30A, 3 outputs - https://www.12voltplanet.co.uk/victron-blue-power-ip22-7-stage-adaptive-battery-charger-12v-30a-3-output-uk-plug.html This coupled with a 400W solar array should...
  5. hey-hey-my-my

    Pimp My Van - Show us yer racks!

    I'm not an electrician, and my "rack" is just a small workshop at the back of my self build motorhome but I think it's on topic, especially given the discussion on the efficient use of space :grinning: https://roadshell.com/van/#garage
  6. hey-hey-my-my

    Trouble with charging a large 12v battery

    Following everyone's feedback here, I've just purchased a Victron 7 stage 30A charger : Victron Blue Smart IP22 Bluetooth Battery Charger - 12V 30A, 3 outputs - https://www.12voltplanet.co.uk/victron-blue-power-ip22-7-stage-adaptive-battery-charger-12v-30a-3-output-uk-plug.html This coupled...
  7. hey-hey-my-my

    Trouble with charging a large 12v battery

    That's great, thanks for your time Zerax! 1570451360 Thank you for the comprehensive response & tutorial link, Guglielmo. Makes sense. All positive wires leaving the battery terminal are fused appropriately in my setup, including the one going to the MPPT charger. Battery terminals are shielded...
  8. hey-hey-my-my

    Trouble with charging a large 12v battery

    Good news then! I was worried that a low amperage would not charge the battery effectively, due to not shaking up the cells sufficiently or some other chemical fact that's beyond my understanding. :eyes: So I guess that explains why I have to disconnect my charger and re-start the process...
  9. hey-hey-my-my

    Trouble with charging a large 12v battery

    Thanks for your reply. Yes, the chargers are both supplying the right voltages for AGM batteries. I'm fairly confident about my charge % observations. I disconnect the charger and all loads, wait an hour, then check voltage at the terminals. I never get more than 12.6V on the new AGM battery (it...
  10. hey-hey-my-my

    Trouble with charging a large 12v battery

    Hello! I recently upgraded the 110ah battery in my camper van for a 260ah AGM one. My solar panels (200w via MPPT, soon to be doubled) struggle to keep up with my consumption, so once a week I hook up the battery to mains using CTEK's 5A charger, which supports AGM batteries but is not...

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