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userRichard J
Posted: 5 April 2021 5:54 PM
Subject: Zig
Pops in from time to time

Posts: 80

Evening All, Any recommendations for replacing a Zig 7 or are there any repairs that can be done ?
userDerek Uzzell
Posted: 5 April 2021 9:24 PM
Subject: RE: Zig

Location: MODERATOR - 2015 Rapido 640F LHD 2.3ltr 150bhp

The Zig X-7 is an old-tech 'caravan' battery-charger with an output voltage of 13.8 and a msximum output amperage of 12.5

For repair, try here

but (unless there are compelling reasons to stay with the Zig) you'd probably be better replacing it with a modern unit that will charge a leisure-battery more efficiently and effectively.

It would be helpful to have details of your motorhome - make, exact model, build-year - without this information it's not easy to advise on a replacement. Also the capacity and type of leisure-battery you have and how you normally use your motorhome (ie. usually/always on a campsite and connected to a 230V mains power-supply, or generally not connected to a 230V supply).

This article

mentions a Victron Blue Smart IP65 Battery Charger 12V, and a 15A version should cost £130-£140. As should be evident from this Victron document, this charger is a pretty sophisticated piece of kit

A new 15A-16A charger designed for permanent installation in a motorhome and made by a manufacturer with a good reputation should be expected to cost at least £120. Lower output chargers (say 10A) are available more cheaply, but they will also charge more slowly. Plenty of choice (example here)

Over the years there’s been a good deal of online discussion about replacing the Zig X-7 charger

with it sometimes being asked what can be fitted without making any connection modifications whatsoever. The ZIG X-70 charger can still be bought new (advert here)

and the reviews on that advert confirm that the X-70 is a direct replacement wiring-wise. It’s still an unsophisticated ‘caravan’ device though, and its specification (‘fixed’ 13.8V and 12.5A) no better than that of an X-7. Also not cheap...

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