Dyson stick vac died after 5 years

I used to think Dyson was a BIFL product but my cordless stick vac just died and if it's the battery, they're $150 plus ~$100 to repair it. That's half the cost of the damn thing. Anyone have a BIFL cordless vacuum?

Update: thanks for all the suggestions. I othered an OEM battery from Amazon for $90. Couldn’t find a compatible model for less. Fingers crossed it’s the battery. I also cleaned the filter 🤞

2nd update: the new battery worked. Fingers crossed it lasts 5 more years.