RIDGID 18V LITHIUM-ION BATTERY SERIES Flashing Red And Green
| CONF | DIAGNOSIS | ACTION |
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92%
CONF
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Ridgid 18V 4.0 Ah MAX Output Lithium-Ion Battery
The alternating red and green LED pattern is the diagnostic lockout for a defective battery, triggered when the internal Battery Management System (BMS) fails its pre-charge safety check. This failure mode is most commonly caused by the voltage of the lithium-ion cell strings dropping below a critical threshold that the charger's logic controller deems unsafe for high-current recovery. Once the chemical potential of the cells is significantly depleted or cell impedance is out of range, the pack must be replaced as the BMS typically sets a non-volatile fault bit to prevent hazardous operation.
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VIEW ON AMAZON
#CommissionsEarned
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8%
CONF
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Secondary Circuit / Wiring Check
Inspect wiring harness.
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VIEW ON AMAZON
#CommissionsEarned
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DIY Repair Guide
Watch exactly how to replace the Ridgid 18V 4.0 Ah MAX Output Lithium-Ion Battery.
// NOTICE:
This report is generated by an Agentic AI Engineer utilizing probabilistic modeling.
PartSniper is an automated parts recommender service. AI-generated results may not be correct. This data is not a substitute for professional engineering advice or manual inspection. Always verify part compatibility and disconnect power before any repair. PartSniper is not liable for inaccuracies, injury, or damage.