Please contact us before ordering. The default freight is calculated based on standard air freight prices. Different countries, order weights, and shipping methods affect final costs. We provide optimal shipping solutions and accurate pricing.

No, for standard orders we typically ship within 3-5 working days.

This depends on the destination country and selected shipping method. Most Asian countries, European countries, United States, and Canada have tax-included shipping options available.

High-power batteries require special transportation via formal dangerous goods (DG) logistics. This process is slower due to waiting for DG ship/train schedules. Tracking updates occur after customs clearance in your country, with delivery typically within 3-5 days thereafter.

Yes. The system has passed comprehensive safety tests including overcharge, over discharge, over temperature, short circuit, and acupuncture tests with no fire or explosion under any circumstances.

All batteries use Grade A cells. Every product undergoes individual testing before shipment regardless of order quantity.

Our packaging has been extensively improved and verified for safety and reliability. You will experience our commitment to secure delivery upon package receipt.

Yes. Please inform us formally before production and confirm the design based on our provided samples.