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 inspecting it visually. Look for any swelling, puffiness, or bulging of the cells—this indicates internal damage and the pack should be discarded. Check for any physical damage such as punctures, tears in the wrapping, or corrosion on the terminals. Next, measure the voltage of each cell with a suitable LiPo voltage checker or multimeter; any cell below 3.0V or significantly out of balance compared to others is a warning sign. When charging, never leave the pack unattended and use a charger designed for LiPo batteries with balance charging. If the pack gets excessively hot (above 50°C) or emits a strange smell during charging or use, stop immediately. Also, if the pack fails to hold charge or discharges very quickly, it’s likely unsafe. Always store LiPos in a fireproof container and dispose of damaged packs safely at a battery recycling centre. Following these steps helps keep your hobby safe and your gear reliable.
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