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, puffing, cracks, or leaks—these are clear signs the battery is compromised. Next, check the terminals and wires for corrosion, damage, or loose connections. If the pack feels unusually warm or hot after minimal use, it could be unsafe. Before use, measure the voltage of each cell with a LiPo-compatible voltage checker; cells should be balanced and within the recommended voltage range (usually 3.7–4.2V per cell). Avoid using packs that show significant voltage imbalance or very low voltage (below 3.0V per cell). If you notice a burning smell or the battery has been physically damaged (e.g., dropped hard), discard it safely. Always store LiPo packs in a fireproof container and never charge them unattended. If in doubt, it’s safer to replace the pack than risk fire or damage to your equipment.
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