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[Doctor Gollum]

Any cost effective suggestions for these?

It's never failed to start, even if sat for over a week, but it's a pita having to clear all the low voltage codes every time I dust the cobwebs off.

[Migv6 le Frog Fan]

Tayna. Put your reg. number in and take your pick from the selection on the list.

[Doctor Gollum]

Tayna. Put your reg. number in and take your pick from the selection on the list.

Batteries don't need replacing, just monitored 

[Sir Tigger KC]

You need an optimiser.   

I have a solar one that you put on the dash and put it into the fag lighter socket, or connect directly to the battery with crocodile clips. 

[Doctor Gollum]

A quick rummage suggests that Tanya also sells those

[Raeturbo]

I have one too for the Evo, just make sure you buy a decent one and job done👍

[Marks DTM Calib]

I just fit the comfort indicator panel Ctek ones, they also have a port for a Ctek charger making top up dead easy.

I have one on the tractor and the F-type.

They have a very very low battery drain and just gently flash the charge status on the three LEDs

[Nick W]

I just fit the comfort indicator panel Ctek ones, they also have a port for a Ctek charger making top up dead easy.

I have one on the tractor and the F-type.

They have a very very low battery drain and just gently flash the charge status on the three LEDs

This.


A rebadged basic Ctek unit is what all the fancy toy manufacturers will sell you when you finally complain that your Porferbenghini still won't start when you want to use for the first time in 87.8 days.


The important thing to remember is to fit the hard-wire kit where you can easily plug it in and unplug before you use the car. Not that I've ever seen the results of doing that 

[Migv6 le Frog Fan]

I have a C Tek and also two Lidl trickle chargers which have C Tek connectors on them.
Seems to me the Lidl ones do pretty much the same job as the C Tek,although the C Tek isnt the latest model, so myabe newer ones are better ?

[JasonH]

I find the Ring Automotive charger/maintainer's excellent and much cheaper the the CTEK ones.

£30 for a 4A model that shows you the battery voltage:

https://shop.ringautomotive.com/rsc904-4a-smart-battery-charger-maintainer.html

[TheBoy]

I find the Ring Automotive charger/maintainer's excellent and much cheaper the the CTEK ones.

£30 for a 4A model that shows you the battery voltage:

https://shop.ringautomotive.com/rsc904-4a-smart-battery-charger-maintainer.html

I've had the RSC612 model, which has been rock solid for the several years I've had it, and I've used it an awful lot.  My only real (and minor) complaint of it is that it doesn't have comfort connectors unlike the newer models.

I never had much luck with all the Cteks I had, particularly on the bike, as I'm sure tunnie will remember every time I went to use the bloody thing

[Doctor Gollum]

Gone with a Ring 8A one as that should also suffice for keeping it topped up during coding/diagnostic processes. And it's a reasonable compromise between price and output.

A solar one would work in theory, but I would have to connect it via the OBD socket and I don't know that the car would then shut down properly, which would render it moot

[TheBoy]

Al, if your digs sessions are long - as they are with my XJ - it might be worth using a proper battery support unit, as don't underestimate the current draw when you turn ign on.

I made a 30A one just for that purpose for around £30

[Doctor Gollum]

I will bear that in mind

It's more that the car is sat unused for a week or so at a time and when it does get used it's a gentle 20-30mph stroll just to keep things reasonably functional whilst I decide on a course of action to fix the gearbox issues. But, that said, if it saves me from spending 10-15 minutes every time clearing out all the Terminal 30 low voltage codes from everything, then that's got to be worth it.

[TheBoy]

Yeah, for keeping the battery is decent condition when unused, that's ideal

I'm always putting electricity into mine due to lack of use, I don't like to leave it more than a week or so without topping it up...