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Chan, Ching Yat, was created by a handful of smartphone enthusiasts who wanted more power from their phones. We created the world’s first Tri-Cell Battery Design and applied it to all the flagship smartphones so that our users around the world can enjoy the world’s highest-capacity batteries. Their official website is ZEROLEMON.com.

A directory of user manuals and instructions for ZEROLEMON products can be found below. ZEROLEMON products are patented and trademarked under brands Chan, Ching Yat.

Contact Info:

Address: 7300 Yellowstone Rd, Ste 10, Cheyenne, Wyoming, 82009
Phone: (307) 222-4721

ZEROLEMON Galaxy S22 Ultra 10000mAh ZeroShock Battery Case Instruction Manual

Learn how to operate your ZeroLemon Galaxy S22 Ultra 10000mAh ZeroShock Battery Case with this user manual. This rugged TPU case protects your phone against bumps and scratches while providing 10000mAh of power. Read the instructions carefully for optimal performance and safety.

ZEROLEMON Y1348 ToughJuice 30000mAh USB C Wireless External Battery User Manual

Learn how to operate the ZeroLemon ToughJuice 30000mAh USB C Wireless External Battery with this detailed user manual. With dual inputs, wireless charging, and five charging outputs, this high-capacity external battery allows for simultaneous charging of up to five devices. Follow the instructions for optimal performance and safety. Perfect for all Qi-enabled phones and earphone cases. Model numbers: 2A4VL-Y1348, 2A4VLY1348, Y1348 ToughJuice 30000mAh USB C Wireless External Battery.

ZEROLEMON Galaxy Note 20 Ultra 10000mAh ZeroShock Battery Case Instruction Manual

Learn how to operate and optimize the ZEROLEMON Galaxy Note 20 Ultra 10000mAh ZeroShock Battery Case with this comprehensive instruction manual. Safely charge your device with fast and wireless charging capabilities, while the rugged TPU case protects against daily wear and tear. Keep your phone powered up with this powerful battery case.