Situation I have a Victron MultiPlus C 12/1600/70-16 and a Orion XS 12/12-50A in my RV. These are connected to a LFP leisure battery, an AGM starter battery, Smart Shunt 300A and a Cerbo GX for monitoring. The Orion is connected to charge the leisure battery from the starter battery when the engine…

[image] Ludo: Which is a usefull feature. You drain your leisure battery into the starter battery IMO that isn’t useful in most systems. It was useful 10 years ago when you only had lead batteries. I recommend to not use the trickle charge in mixed systems and to install a separate charger …

[image] Ludo: What is shore power ? The grid connection/“land power” (Landstrom). Shore power Shore power or shore supply is the provision of shoreside electrical power to a ship at berth while its main and auxiliary engines are shut down. While the term denotes shore as opposed to…

You could always read the FAQ document which describes the trickle charger. You seem to have independently worked it out. [image] How does the Multiplus trickle charger work DIY The trickle charger on the Mutliplus is not a true charger, it does not have a set charge volt…

To be fair to all concerned, while your writeup of the specifics is excellent, I’d definitely argue that the “always-on” aspect of the trickle charger should be in the manual itself since many users might never end up here to read the FAQ.

Thank you @Ludo @pwfarnell for confirming. @Justin I agree completely. I was pretty sure of my hypothesis, but confused because I couldn’t find any reference in the manual or using a web search. Apparently there was this excellent write up by @pwfarnell , but I hadn’t found it despite some effort.

Victron MultiPlus C 12/1600/70-16 charges starter from the house bank

DIY

pwfarnell 28 March 2025 17:54 6

You could always read the FAQ document which describes the trickle charger. You seem to have independently worked it out.

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Victron MultiPlus C 12/1600/70-16 charges starter from the house bank

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