Question: How do I tell if a LiPo pack is unsafe to use?
Answer: To determine if a LiPo battery pack is unsafe, start by inspecting it visually. Look for any swelling or puffiness in the cells—this is a clear sign of damage. Check for any cracks, punctures, or leaking fluid on the pack. Next, gently press the pack; if it feels unusually soft or squishy, it may be compromised. Use a multimeter to check the voltage of each cell; a cell reading below 3.0V is often considered damaged. Avoid using packs with inconsistent cell voltages. During charging, if the battery gets excessively hot (above 45°C) or the charger shows an error, stop immediately. If the pack emits a strange smell, is hot without load, or has damaged connectors, do not use it. Always store LiPos in a fireproof container and dispose of damaged batteries properly at a recycling centre. When in doubt, replace the pack to ensure safety during your RC or FPV projects.
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