For Cleaner battery,please kindly check machine model name .
and then check the dimension,wire,wire sequence,plug,voltage with our picture.
Even same device model and battery name,there maybe different version battery.
for safety,please send the photo of your original battery to us when order it if can&x27;t sure it.
About Shipment
1.Tracking information is available about 5-10 days after we sent the parcel out.(https://www.17track.net/en)
About Battery
This is NOT original battery, please buy it from official after sale if you need original battery.
Battery for Xiaomi Mi Robot Vacuum Cleaner Roborock S50 S51 S55
Specifications:
Voltage: 14.4/14.8V
Capacity: 5200-7000mAh
Dimension:38*38*140 mm
Li-Ion Lithium 18650 battery
There maybe different shell for the battery due to product batch.