How to process a return and refund?

1. Please feel free to contact us via [e-mail]. 

Usually, we will provide the after-sale service for you within 1 business day. 

2. As part of our RMA process, we will need some info to process your return and replacement: 

• Order number:
• Shipping address:
• S/N code(on the bottom of the battery):
• Failure video:

Thank you in advance.