I measure no power between the Trickle CHarge point on the Multiplus2 and the Big Minus on the multiplus2. What can be wrong?

Is the main battery being charged? What’s the trickle charge hooked to?

I have shore power, Lithium battery, orion xs en cerbogx. Everything works. Except for the power on the trickle charge.

If you are on shore power, and the main batteries are lithium and are fully charged, the charger may not be producing any current; and thus the trickle charge output may not be producing any output. What is normally connected to the trickle charge output? I suspect it is damaged OR the main batter…

what your sayimg is: When the mainbattery is 100% charged, the trickle charge to the startbattery will not work? I tested the following: With and without shorepower. Voltage between trickle point Minus on Multiplus. Current between the trickle charge point and the Plus on the starter battery. Every…

From the manual for a Multiplus II: 2.3.2. Second charge output for starter battery The 12V and 24V MultiPlus is equipped with a second charge output intended for maintenance charging of a starter battery. It uses a simple circuit with a current limiter and diode, allowing a continuous trickle c…

OK. THe main battery is 100% charged. the startbattery is almost completely dead. Dropped from 13V to 10.7 in 3 hours. So i should measure some current . THe main Battery (lifePo4) is 13.3V

It is difficult to help you when you don’t answer questions. Check fuses and loads on the starter battery - it should not discharge like that unless there are significant loads on it.

Did you have an inline 4A fuse between the trickle charger and the starter battery?

No power on Trickle Charge

DIY

Buzzy 6 July 2026 22:17 9

This might help: How does the Multiplus trickle charger work

Topic		Replies	Views
When does the trickle charger work? DIY multiplus , trickle-charger	4	182	1 March 2026
How does the Multiplus trickle charger work DIY marine , rv , trickle-charger , starter	27	7954	12 April 2026
Starter battery not being charged DIY marine , beginner , multiplus-ii	1	167	25 June 2025
Pallas-TG 12/50 – starter battery drains leisure batteries? Q&A and troubleshooting beginner , starter_battery , leisure_batteries	3	74	1 December 2025
MultiPlus II Trickle Charger Feature DIY beginner , multiplus , rv	3	2140	8 September 2024

No power on Trickle Charge

Related topics