Author Topic: Alternator output  (Read 565 times)

Rowan

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Alternator output
« on: September 03, 2023, 03:44:49 PM »
Hi,

Trying to work out if the alternator on my Lister TS2 is powerful enough to charge 3 batteries?

Output is showing on gauge as 14.0v, 0.4A when running. Currently have two 110AH batteries for fridge etc on my boat but struggles overnight even after running for 6-7 hours.

Any advice greatly appreciated

Regards

Rob

Altonx

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Re: Alternator output
« Reply #1 on: September 06, 2023, 07:57:38 PM »
Have you worked out the current draw from the fridge etc?

Altonx

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Re: Alternator output
« Reply #2 on: September 07, 2023, 12:57:18 PM »
Alternator should be putting out a lot more than 0.4A
I have a very low output Alternator on my boat and its a 35Amp unit.
If you have a solar panel that will confuse the reading, if the Alternator is pushing 14v through the system then there should be a considerable Amperage behind it.
If you have a solar panel disconnect it, you should then see 12.5-12.8 v roughly at the battery, run engine and check voltage at battery, you should be seeing 14v to 14,5v