I am now going to watch to
I am now going to watch to see if this issue applies to my 2019 Outback 3.6 in Australia, even though ours are made in Japan.
A few weekends ago my battery failed while I was in a wilderness area miles from assistance. According to some forums I read afterwards it may have just been that I'd left the powered tailgate open all day. Even though all interior lights were off, apparently the tailgate motor works to keep it in a raised position and drags a fair bit of power. Luckily I had a day to spare and some solar panels that I connected to get more battery charge.
I'll be carrying a Lithium Jump starter in future. The battery did charge fine and has worked fine for our short trips since