All of our Dell 52TWH high-quality alternatives have been tested to achieve and/or exceed original performance and are 100% compatible with the original manufacturer’s specifications. Battery Replacement for Dell XPS 13 7390 2-in-1 Series Laptop, the laptop battery is 100% brand new and CE / FCC / RoHS certified for safety.

• Brand: Dell Battery
• type: Li-ion
• Rated Capacity: 51Wh
• Standard Voltage: 7.6V
• SKU: DEL21JU1170

Replace Laptop Batteries part number :

52TWH

Compatible with the following models :

For Dell XPS 13 7390 2-in-1 Series Laptop

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• JP: Dell 52TWH ノートPCバッテリー
• DE: Dell 52TWH Laptop Batterien
• IT: Batterie per pc portatili Dell 52TWH
  FR: Batterie ordinateur portable Dell 52TWH

https://www.battery.org.uk/product/Dell/52TWH/182895.html