Blue light looks normal while charging, when completed and I begin using it dies after 30 seconds and light slowly blinks blue. Anyone have an idea what's wrong? : r/dyson
Dyson DC58 Troubleshooting - iFixit
How do I know if my Dyson needs a new battery? - SmartVacuumGuide.com
How do I know if my Dyson needs a new battery? - SmartVacuumGuide.com
dyson Handstick Vacuum Cleaner User Manual - Plug in - Manuals+