A proven compatible charger gives its normal full-charge indication, yet the removed battery shows little or no charge and can run a known-good low-load tool only briefly or not at all.

A proven compatible charger gives its normal full-charge 1. Remove the pack after the full indication, let it rest briefly, and press the

• FM-10: Fm 1 1 2

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

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