All LEDs Flickering

Joined
Dec 15, 2011
Posts
66
Likes collected
25
Location
Southwest Scotland
Funster No
19,183
MH
Coachbuilt Adria
Exp
Since 1996
While away for the winter I noticed that a couple of LED lights would flicker occasionally. I've just been in the motorhome and now all LEDs are flickering, some noticeably more than others.
I bought the van secondhand, but as far as I know, the batteries haven't been changed from new in December 2018.
The habitation batteries' reading on the display is 13.8 (there's only one value displayed for the joint batteries).

Is the likely fix going to be replacement battery(ies)? And if I'm going to change one, should I change them both? Or should I check something else before rushing off to buy batteries?.
 
I had flickering LEDs. Replacing them fixed it, but they'd start flickering a few months later. Turned out the LEDs I'd bought weren't automotive grade, so they didn't like anything much over over 12v. So when I was plugged in or the sun was out so I was getting good solar input, the LEDs were being slowly cooked.

The solution was to get automotive grade bulbs that could cope with 15v.
 

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