Nope, nothing for 2018-19 Outbacks, they came with the revised charging logic. You’ll have to disconnect the signal wire, or keep your headlights on, if you’re often finding the battery in a reduced SoC. You might also consider a battery tender.
www.subaruoutback.org
There’s a head unit service mode that will display voltage (while driving) on the 2015-17 Outbacks but I’m not sure about the 18-19s since they have a different HU. They do have a similar mode – instructions here:
Has anyone replaced the OEM lame battery with a better one? Was doing some work on our 3.6 and after 2 hours with the dome lights on (yes, my fault for not shutting off) a dead battery quickly ensued. While charging I saw it had all of 490 CCA, which to me says it may be weak and underpowered…
www.subaruoutback.org
