DIY Smart Multipurpose Battery Tester

In recent years, the market has been flooded with low-cost batteries, many of which originate from unregulated manufacturers. A significant concern with these batteries, is the inaccurate labeling of capacity. Often, these batteries claim to have high capacities sometimes exceeding 10,000mAh at prices that seem too good to be true. In reality, many of these batteries fall far short of their advertised capacity, providing poor performance and posing potential safety risks due to overcharging or overheating.

For consumers and hobbyists who rely on batteries for DIY projects, RC models, portable electronics, or even solar power setups, it is essential to ensure that the batteries they purchase live up to their promised specifications. Unfortunately, distinguishing between a high-quality battery and a low-grade, falsely advertised one isn't always possible by appearance alone.

This is where our device DIY Smart Multipurpose Battery Tester becomes crucial. It allows users to verify the capacity of the batteries they purchase, helping them avoid the pitfalls of using fake or low-quality batteries.

Full project: https://www.instructables.com/DIY-Smart-Multipurpose-Battery-Tester/