What Is the Difference Between Protected and Unprotected 18650 Batteries?
Ever wondered what is the difference between protected and unprotected 18650 batteries? You’re not alone. In fact, this is one of the most common questions I get from people diving into the world of rechargeable batteries. Here’s the deal: The main difference is that protected 18650 batteries have a built-in safety circuit (PCB) that prevents […]