Worked well until the battery died, contacted customer service through Amazon (super helpful) who asked me to send video, but I couldn't attach any file, not even a photo as it was too large. Sent via WeTransfer. Then had to take apart the vacuum cleaner to show the motherboard, again sent by WeTransfer. Then asked to buy a replacement battery from Amazon (apparently quicker than them sending it) and replace this under the motherboard at my own expense. I refused to work on an electrical item as an unqualified customer. They then tried to bribe me with free filters (useless as it doesn't work) for a 5 star review, when I rejected this, they offered to send a new item after I submitted evidence of a 5 star review. Contacted Amazon for a full refund and return. Amazon =great, Lefant not so much.
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