Question: How do I tell if a LiPo pack is unsafe to use?
Answer: To check if a LiPo pack is unsafe, start by visually inspecting the battery. Look for any swelling or puffiness—this is a clear sign the cell is damaged. Next, check for any punctures, tears, or corrosion on the outer casing. If the pack feels unusually warm or hot to the touch after charging or use, this indicates a problem. Use a voltmeter to measure each cell's voltage; any cell below 3.0V or above 4.2V when fully charged is risky. Also, if the battery doesn’t hold charge or discharges rapidly, it’s likely degraded. Never use a pack that emits a strange smell or leaks electrolyte. If you spot any of these signs, safely dispose of the LiPo at a local recycling centre or battery disposal point. Always store and charge LiPos in a fireproof container and never leave them unattended while charging. Regular checks help keep your RC projects safe and running smoothly.
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