Cordless vacuum battery service — battery is most critical component. If not charging or drains fast, common cause: end-of-life battery (2-4 years), bad charging dock, or bad charging circuit.
See if any of these signs match your device — each one increases the likelihood of this fault.
These are the causes we encounter while repairing Battery not charging — ranked from most to least common.
End-of-life battery (most common - 2-4 years)
Bad or dirty charging dock
Bad charging circuit in vacuum
Damaged charging cable
Corroded battery contacts
Battery stored empty for months (damages cells)
Bad battery management system (BMS)
Any of the following = a danger signal — call now and don't try to fix it yourself.
On-site diagnosis, clear pricing before any work, and a documented 6-month warranty.