The lithium battery or charger shows abnormal heat, swelling, cracking, electrolyte, hissing, odor, sparks, or smoke.

The lithium battery or charger shows abnormal heat, 1. Stop charging or using the pack immediately and unplug the charger if it is safe to

• FM-22: Fm 5 1 2

• root cause analysis
• tools needed
• step-by-step repair procedure
• diagrams
• exploded views
• post-repair checks

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