The vacuum runs for only a few minutes on a full charge with no error code.

Safety first: Power off the vacuum and remove the battery before inspection.

• Confirm charge: Fully charge the vacuum until the indicator shows 100%.
• Measure runtime: Operate the vacuum continuously in standard mode and time how long it operates.
• Compare to spec: If the runtime is less than 50–60% of the rated time, the battery is worn.
• Replace battery: Purchase and install a genuine Roborock Battery Pack compatible with your model.
• Battery care: For the new battery, avoid storing it completely empty and keep it in a cool, dry place when not in use.