KeepKnow currently serves customers in the United States. Website orders are shipped from the nearest available US warehouse whenever possible.

Shipping availability, costs, and delivery times depend on the product, stock location, and destination. Most in-stock orders are processed within 1–3 business days and delivered within approximately 2–6 business days after dispatch.

Please contact us before ordering if your address is outside our standard delivery area.

Eligible KeepKnow batteries include a limited warranty of up to 5 years from the original purchase date.

The exact warranty period depends on the product model. Damage caused by incorrect installation, misuse, improper storage, or unauthorized modification is not covered.

Please retain your order information and contact our support team if you need warranty assistance.

Depending on the product model, KeepKnow batteries may have certifications and documents such as CE, RoHS, FCC, PSE, UN38.3, and MSDS.

Certification requirements vary by product and destination market. Please contact us with the specific model and required documents before ordering.

Payments on the KeepKnow official website are securely processed through Shopify Payments.

Major credit and debit cards are supported, along with accelerated checkout options such as Shop Pay, Apple Pay, and Google Pay where available. PayPal may also be available as an additional payment option.

Available methods may vary by country, device, and checkout settings.

Before ordering, please check the battery voltage, capacity, dimensions, charging requirements, current rating, and intended application.

You can send us your original battery specifications, charger or inverter model, equipment information, and installation dimensions. Our team will help you review compatibility and select a suitable option.

Yes. The KeepKnow official website may offer exclusive discounts and promotions that are not available through other sales channels.

New customers can currently receive 3% off their first order by entering the discount code KKSTART3 at checkout.

Promotional terms and availability may change. Please check the website or contact us for the latest offers.