Anybody using lifepo4 exteral battery on bluettis?

thinking about external battery for my EB55/AC200P for extended rainy/cloudy days use.

Nothing formal but just for kicks I hooked up my 52v ebike battery to my AC300 to drop its charge down below 80% to store it. Worked just fine!

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See the last post in this thread. You can get 200 watts or so with a 12 volt lithium battery and it will work with both your 55 and 200 models