How long does the Mevol X device last?

According to the product manual with routine use and maintenance, Mevol X devices will last for many charge cycles. Please avoid overcharging your device, exposing it to prolonged sunlight or prolonged exposure to heat sources. All devices purchased from our official sources are covered by a limited 12-months warranty from the date of purchase. If your device fails during the warranty period, you can contact customer service for help.