Is saving lots of $$$ on an expansion battery worth the risk? I’m putting my viral EcoFlow DIY battery hack to the ultimate safety test using a thermal camera. https://youtu.be/rbzE_Y3inu8 In my last video, I showed you how to double your EcoFlow power station's capacity for a fraction of the price using cheap 48V LiFePO4 batteries. The response was huge, but so were the questions: "Will the wires melt?" "Does it get too hot?" "How do...