ETA Slow Charging Condition

Cordless vacuum’s runtime is normal, but charging time has become unusually long.

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Possible Causes

Weak ETA charger output, High resistance in charging contacts, Battery cells aging, Charger using low-current mode due to heat

How to Fix / Troubleshooting

Safety first: Use only the original ETA charger and avoid extension cords where possible.

  • Check charger rating: Confirm the charger’s voltage and current match the specifications in the manual. Replace if it is underperforming or non-original.
  • Clean contacts: Wipe charging contacts on the dock and vacuum with a dry cloth to reduce resistance.
  • Charge in a cool environment: Avoid charging in hot rooms or direct sunlight; high temperatures can slow charging.

When to call a technician: If charging time continues to increase and the charger is verified good, the battery pack may be aging and should be replaced.

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Repair Difficulty

Very Easy 1/5

Required Part

ETA Original Charger / Docking Station
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