Effective industrial battery troubleshooting combines voltage analysis, capacity testing, and thermal inspection. For lithium-ion systems, use BMS logs to pinpoint weak. Applications with lithium-ion batteries use battery management systems (BMS) to monitor the battery state and ensure safe operation. The battery protection unit (BPU), which is a subset of BMS, is typically equipped with electro-mechanical or electronic switches with control circuitry for precharge. Today, let's discuss the self-check methods when industrial computers cannot be powered on, to help everyone quickly locate the problem and solve the problem. Check basic connections and power supply First, we must ensure that the power connection of the industrial computer is normal. In the second system all was fine. To summarize my troubleshooting from that point forward: that one board that didn't fail on the original power up after. Data loss due to switching off the device while the software is running Switching off the device before the running software is terminated and the operating system is shut down can lead to data loss. Overcharging can cause overheating, while undercharging can result in inadequate power, leading to early battery degradation.