Just a note to others who have an R56 Justa here in Canada that a battery replacement isn't too hard.

We don't have the plethora of Autozones, Pep Boys, O'Reillys, etc. every couple of blocks like the Americans do. So I couldn't use some of the helpful battery part number suggestions in the other threads.

And a common auto parts big box store here, Canadian Tire, doesn't carry a battery that will fit (they said).

I found a local battery chain store (not a nation-wide store) who said my 07 Justa needed a Group 47 battery. They wanted $100 for it. 3 year full replacement, 6 years pro-rated warranty. I went for it.

I removed the battery cover and noted that the OEM battery by Varta was actually smaller (not as wide) as the max size of the battery compartment. i.e., you could put in a wider battery if you wanted.



The store's private label Group 47 battery was approximately the same size as the OEM but not exactly. It was wider by about 1 inch, a tad shorter and the same "depth" (front-to-back) as the OEM. It had a lip all around the bottom so the OEM hold-down worked ok. The vent tube hole was in the same place and the tube fit in properly.



Armed with a 10mm socket and a small flat-blade screwdriver to gently pry off the battery cables from the old battery terminals, I actually did the change in the store's parking lot.

Tip: I attached a garden variety battery booster pack to battery cables so that when I disconnected the battery, the clock, computer, radio, etc. didn't lose their settings.

 

A 47 will work, so will a 48.

 

Your Justa doesn't have the Intelligent Battery Monitoring system on it (no black box on the neg battery cable clamp), so you just need to swap out the battery with a compatible one. I put an Interstate Batteries 48 series in my better-half's Justa (no IBM system) a few months ago. Heavier and a tight fit, but she's loving the higher CCA this winter.