![Can someone help diagnose my battery? It's showing full charge based on multimeter when charging but when I unplug it, it drains to 0v. Could 1 faulty battery be causing this issue? Can someone help diagnose my battery? It's showing full charge based on multimeter when charging but when I unplug it, it drains to 0v. Could 1 faulty battery be causing this issue?](https://preview.redd.it/can-someone-help-diagnose-my-battery-its-showing-full-v0-ahieq03w39bb1.jpg?width=640&crop=smart&auto=webp&s=b8543b01cbe3f19f62b8548427ae6f176afde601)
Can someone help diagnose my battery? It's showing full charge based on multimeter when charging but when I unplug it, it drains to 0v. Could 1 faulty battery be causing this issue?
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![Faulty battery. Any troubleshooting for a battery like this that the charger flashes red/green now. It's about 2 years old. : r/ryobi Faulty battery. Any troubleshooting for a battery like this that the charger flashes red/green now. It's about 2 years old. : r/ryobi](https://preview.redd.it/rq6c0cecalv81.jpg?width=640&crop=smart&auto=webp&s=0e5c6d9bcbc97545426d2a39327208347cfd57bf)
Faulty battery. Any troubleshooting for a battery like this that the charger flashes red/green now. It's about 2 years old. : r/ryobi
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![charger - How do I know if TP4056 charging modules are faulty - Electrical Engineering Stack Exchange charger - How do I know if TP4056 charging modules are faulty - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/n9ZiW.jpg)