After sales&Service

After an order is placed, we generally begin processing it within 72 hours and arrange product preparation and shipping. Once the order ships, we will send tracking or logistics information by email.

Parts Shipping Area：

Shipping within the Continental United States (Except in Hawaii, Alaska, and Puerto Rico)

Shipping From:

San Francisco, California

We provide local UPS, USPS or FedEx, or DHL shipping services.Orders typically take 3  business days to process.Once your order has been shipped, a shipping confirmation email with tracking information will be sent to your email address.Total estimated delivery time: 10 business days (Monday–Friday, excluding weekends and public holidays).

Free Shipping，Delivery within 5-10 days in US

These are custom-made products: powertrains,,batterise,charger Delivery Areas: From china.

Maritime Transport:  approximately 30 days. The seller pays the shipping cost.

Air Transport: approximately 15 days. The buyer is pays the  shipping costs.

Explanation of Taxes, Fees, and Customs Clearance Responsibilities。

Customs clearance，Import duties and taxes are the responsibility of the buyer

Note: Battery products include applicable transportation compliance documentation, which may include UN38.3, MSDS, and other shipping classification reports when required.

UN38.3，MSDS，Identification and Classification Report for Transport of Goods，Identification and Classification Report for Air Transport of Goods

Important Notice：

1. Please inspect the product promptly after delivery and notify us by email so that any shipping-related issues can be reviewed in a timely manner.

2. If your product arrives damaged due to shipping, we will help review the issue and, when appropriate, arrange a replacement.

3. If a product is lost during transit, we will review the carrier information and assist with reshipment or claims as appropriate.

4. If a package is stolen after it has been marked as delivered, please report the incident to the police and the carrier promptly. We may provide reasonable assistance, but we do not guarantee recovery or replacement for theft after delivery.