Frequently Asked Questions

Common answers about the STH corporate website, product selection, dealer relationships, charging, support and warranty.

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Products, Dealers & Support

Is this an ecommerce website?

No. It presents the business, products and support routes. Prices and orders are handled through written quotations and invoices.

Why are prices not displayed?

Price depends on model, quantity, availability, delivery, installation, accessories and commercial terms.

Does STH mainly sell retail?

The business is positioned primarily as an importer and distributor. Direct inquiries may be handled or routed through a dealer.

How do I select a lithium battery?

Provide vehicle and controller details, existing battery, compartment measurements, daily route, load and charging access.

Can any 64V charger charge a 64V battery?

No. Chemistry, exact full-charge profile, current, connector, polarity and communication must match.

Does higher Ah guarantee a fixed distance?

No. Range also depends on vehicle efficiency, load, route, speed, weather, tyres, settings, driving and battery condition.

How do I verify a product?

Check the serial record and separately confirm dealer status, invoice, payment route and written warranty.

What documents should I keep?

Keep quotation, invoice, delivery record, model sheet, serial, warranty card, registration and service records.

What should I do if a battery becomes hot or swollen?

Stop use and charging, keep people away and seek qualified or emergency assistance. Do not keep testing it.

Does submitting a warranty claim guarantee replacement?

No. Eligibility and remedy follow inspection and the product-specific written terms.

Can I become a dealer through the website?

You can apply. Authorization begins only after review, written approval and any required agreement.

Can STH source bulk products or parts?

Submit the exact product, technical requirement, quantity, delivery target and organization details for review.

Still need an answer?

Send the product or business context so the correct STH team can respond.

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