Warranty:365 days (If defective, instead of repair, customer can return back and exchange a new one or refund.)
Compatible Part Numbers
INR18650 M26-4S1P Compatible with models ForECOVACS Robot Vacuum Cleaner CR130 CEN550 CEN546 CEN663 V780 CEN640 4INR19/66 CEN540 White Interface (not compatible CEN540 Produced before April 2016 black interface)