Please contact us before you order. The default freight on the website is basically calculated according to the usual air freight price, different countries, different order weight, different freight. Please contact us in time, we will provide you with the best shipping way and accurate freight.

It depends on the country and the shipping way you choose. Most Asian countries, most European countries, the United States, and Canada have tax-included shipping channels.

As you know, the battery (especially the high-power battery) is a special commodity, and the terms of transportation are very strict. We transit our products by formal DG logistic channel, it is slower than normal logistics because it needs to wait for the DG ship/train schedule. Due to the particularity of the product and logistics, the tracking number we provide will not update before the goods pass the customs in your country. Don't worry, your goods are still in normal transit. When the goods pass through the customs in your country, the tracking information will update, and you will receive it within 3-5 days.

Passed the overcharge, over discharge, over temperature, short circuit, acupuncture and other safety tests, no fire, no explosion under any circumstance.

Our batteries are all grade A. No matter how many you order, we will test each product before sending out.

Yes. Please inform us formally before our production and confirm the design firstly based on our sample.