Quick Answer
If a lithium battery smells burnt, turn off the power source, ventilate the area, and do not attempt to recharge or use the battery. Remove it from the circuit and store it in a fire-safe container, away from flammable materials. If the smell persists, consider consulting a professional or replacing the battery.
Identifying the Problem
When a lithium battery smells burnt, it’s often a sign of thermal runaway, a catastrophic event where the battery’s internal temperature rises uncontrollably. This can be caused by a manufacturing defect, deep discharge, or physical damage. To prevent further damage, immediately disconnect the battery from the power source and ensure the area is well-ventilated.
Safety Precautions
The burnt smell may be a sign of a chemical reaction, releasing toxic gases like hydrogen sulfide or sulfur dioxide. To minimize exposure risks, wear protective gear such as gloves, safety glasses, and a face mask. If the smell persists, evacuate the area and call the local fire department or a professional for assistance.
Disposal and Replacement
Store the battery in a fire-safe container, away from flammable materials, until it can be disposed of properly. If the battery is part of a larger system, consider replacing it with a new one to prevent any potential risks. When selecting a replacement, choose a battery with a proven track record of reliability and safety, and follow the manufacturer’s guidelines for installation and maintenance.
Find more answers
Browse the full Q&A library by topic, or jump back to the topic this question belongs to.