Question: How do I tell if a LiPo pack is unsafe to use?
Answer: To check if a LiPo battery pack is unsafe, start by visually inspecting it. Look for any swelling, puffing, or bulging—these are clear signs the battery is damaged. Check for any cracks, splits, or punctures in the casing. Also, inspect the wires and connectors for fraying or burn marks. Next, measure the voltage with a LiPo-compatible charger or multimeter; if any cell is below 3.0V or significantly unbalanced compared to others, the pack may be unsafe. When charging, if the battery gets excessively hot (above 50°C) or emits a strange smell, stop immediately. Never use a pack that has been involved in a crash without thorough inspection. Store LiPo packs in a fireproof container and never leave them unattended while charging. If you notice any of these issues, it’s best to safely dispose of the battery following local regulations. Prioritise safety to avoid fire hazards or damage to your equipment.
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