I only buy portable Li-ion batteries from manufacturers with a history of product recalls in my country or directly from major retailers that regularly recall defective products.

I also only buy portable battery models that I believe will sell or has sold many thousands of units so any widespread manufacturering defects should become apparent sooner.

And they might pay from now on closer attention. Expensive lesson learned?

For now I don't avoid them, yet. Definitely not switching to a random cinese brand instead.