Short term rise due to commodity prices, but shifts to LFP and other cheaper approaches will allow the dramatic long term price trend to continue.

https://about.bnef.com/blog/battery-pack-prices-fall-to-an-a...

If you look at PV there were similar "ah ha, costs have stopped falling!" moments in the past (mid 2000s, for example), but they didn't last long and were followed by even more dramatic cost declines. It's important not to be selective here, like climate change deniers are looking at global temperature data.