ЯзыкQ: What are your main products?
A: We primarily produce lithium iron phosphate batteries, suitable for low-speed vehicles such as golf carts, electric motorcycles, sightseeing buses, and special vehicles.
Q: Are your batteries ternary or lithium iron phosphate?
A: We specialize in lithium iron phosphate (LiFePO4) batteries, emphasizing safety, long cycle life, and thermal stability.
Q: Do you support custom voltages and capacities?
A: Yes. We can customize voltages from 12V to 72V and capacities from 10Ah to 200Ah based on customer requirements.
Q: Do you support CAN or RS485 communication protocols?
A: Yes. Our battery management system can be configured with CAN, UART, RS485, and other communication interfaces as required.
Q: Does the product have built-in protection features?
A: Yes. The battery pack has a built-in BMS with protection features such as overcharge, over-discharge, short circuit, and overtemperature.
Q: How do you ensure battery consistency and safety?
A: All battery cells are inspected by a sorting machine, with internal resistance and voltage consistency controlled within ±3%. After assembly, they undergo a 24-hour burn-in test.
Q: Do you perform high and low temperature testing?
A: Yes. We have a high and low temperature testing chamber that simulates different operating conditions to ensure stable product operation in extreme temperatures.
Q: Are full-load tests performed before shipment?
A: Every battery pack undergoes a 100% load charge and discharge cycle test before shipment to ensure product stability.
Q: What is the battery cycle life?
A: Our lithium iron phosphate batteries can achieve a cycle life of over 2,000 cycles (≥80% capacity retention) under standard operating conditions.
Q: Are test reports available?
A: Yes. We can provide complete battery test reports, data sheets, and technical drawings.
Q: Are products UN38.3 certified?
A: Yes, all export products are UN38.3 certified for transport safety.
Q: Are MSDS documents available?
A: Yes. We can provide MSDS, safe shipping declarations, and other relevant documents upon request.
Q: Do you support third-party testing agencies issuing reports?
A: Yes. If requested by the customer, we can cooperate with SGS, TÜV, BV, and other agencies for testing.
Q: Which countries can your batteries be exported to?
A: Currently, we have exported to the southeastern United States and several countries in Southeast Asia, with shipping and packaging regulations in place.
Q: Do you offer ODM/OEM services?
A: We support both ODM and OEM services, including structural design, cell selection, and brand labeling.
Q: What is the typical lead time for custom orders?
A: Samples are available in 7-10 working days, and mass production in 10-20 working days, depending on order quantity and structural complexity.
Q: Do you offer battery casing design services?
A: We support structural customization. We can design the casing and interface layout to suit the customer's installation space.
Q: Can the battery be equipped with a heating or waterproofing module?
A: Optionally, we can configure heating elements, waterproof packaging, dustproofing, and other functional modules based on the operating environment.
Q: Do you support small-batch customization?
A: We support projects with smaller minimum order quantities, making us particularly suitable for prototypes and customization.
Q: Does the export packaging meet hazardous materials requirements?
A: All battery packaging complies with UN standards and is delivered in cartons, pallets, or plywood boxes with shock and pressure protection.
Q: What shipping methods are supported?
A: We offer ocean freight, air freight, dedicated logistics, and door-to-door services. Customers can choose to ship by themselves or entrust us to arrange.
Q: Is the battery safe during transportation?
A: The batteries undergo aging and voltage isolation treatments, and short-circuit protection is included in the packaging to meet transportation safety requirements.
Q: What is the typical shipping time?
A: About 7-10 days within Asia, 5-10 days for air freight to the US, and ocean freight depends on the port of destination.
Q: Can you assist with export customs clearance documents?
A: Yes. We have dedicated personnel to provide invoices, packing lists, customs declarations, certification documents, and other customs clearance materials.
Q: Do you provide after-sales technical support?
A: We provide online technical consultation, remote diagnostic support, and user documentation to help customers resolve usage issues.
Q: What is the battery warranty period?
A: The standard warranty period is 12 months, and the specific warranty period can be negotiated on a project-by-project basis.
Q: What happens if a battery problem occurs during warranty?
A: Products confirmed to be non-intentionally damaged can be returned for repair or replacement, with shipping costs negotiated.
Q: Do you provide installation instructions?
A: We can provide battery installation diagrams, wiring diagrams, and technical documentation to assist customers with on-site coordination.
Q: Can you sign long-term supply agreements?
A: We support annual or quarterly supply agreements with customers with stable purchasing plans to ensure delivery and price stability.
Q: Can I have samples for testing? What is the lead time for sample orders?
A: Yes, we can provide samples. The lead time is 7-10 days, and the buyer pays the sample fee and shipping.
Q: What is the cycle life of your batteries?
A: Lithium iron phosphate batteries support ≥2000 complete charge and discharge cycles (80% capacity retention) and can achieve a service life of over 5 years under normal use conditions.
Q: What is the maximum discharge rate supported by the battery?
A: Conventional products support 1C continuous discharge and 2C instantaneous discharge. For higher rate requirements, enhanced structures can be customized.
Q: Does the battery pack support parallel or series connection?
A: We recommend using individually customized series/parallel modules. If multiple units are required in parallel, we recommend obtaining technical guidance from our company to ensure proper synchronization and protection of the BMS.
Q: What is the maximum charge and discharge current supported by the BMS?
A: Conventional BMSs support a current range of 30A to 100A, and different current levels can be configured based on the application scenario.
Q: Does the product support fast charging?
A: Yes, some models support 1C fast charging (full charge in 1 hour), but a dedicated charger is required to avoid battery damage.
Q: What is the operating temperature range of the product?
A: The standard operating temperature range is -20°C to +60°C. For applications in extremely cold or high temperature environments, optional heating elements or heat-resistant packaging are available.
Q: What is the IP rating of your batteries?
A: The standard IP rating is IP54, but can be customized to IP65 or higher for outdoor or humid conditions based on project requirements.
Q: Does the battery support Bluetooth or app monitoring?
A: If required, we can integrate a Bluetooth module into the BMS and provide a mobile app-based monitoring solution for battery level, temperature, and status.
Q: What is the battery self-discharge rate?
A: At room temperature, the monthly self-discharge rate is less than 3%, making it suitable for medium- and long-term storage.
Q: What brands/cars are your batteries compatible with?
A: We can customize matching solutions based on the motor and electronic controller parameters provided by the customer. We are compatible with common brands such as Yadea, Luyuan, and golf cart OEMs.
Q: Does the battery need to be activated for the first time?
A: No. The battery has been initially activated and cycled before leaving the factory and can be used directly upon receipt.
Q: Is a battery charger required?
A: It's recommended to use a charger with the manufacturer's or recommended voltage/current parameters to avoid damage to the BMS due to voltage mismatch.
Q: How should I store the battery when it's not in use for an extended period?
A: It's recommended to maintain the battery charge between 40% and 60%, at an ambient temperature of 0-25°C, and charge and discharge it every three months to avoid damage caused by over-discharge.
Q: Can it be installed outdoors or in humid environments?
A: Yes. We recommend using a customized IP65 or higher waterproof battery case with a sealed installation for enhanced protection.
Q: What should I do if the battery makes unusual noises or heats up during use?
A: Immediately disconnect the power cord and stop using it, and contact after-sales for remote diagnosis. Common issues include loose connections and abnormal current flow.
Q: How can I determine if the battery is nearing the end of its life?
A: If the capacity drops by more than 20% after full charge, the operating time is significantly shortened, or the voltage drops sharply during discharge, it's recommended to evaluate and replace it.
Q: Can the BMS or battery cells be replaced?
A: Repairs and replacements are possible, but it's recommended that this be performed by a professional to ensure that the welding and circuit design are compatible with the original system.
Q: Do you offer full vehicle battery replacement services?
A: We currently only offer battery packs; we do not provide after-sales replacement services for entire vehicles. However, we can assist with dealership connections.
Q: Does the battery support solar or wind power systems?
A: Some models support use with solar controllers and wind inverters, but customization of the corresponding interfaces and parameters is required.
Q: Do your batteries contain heavy metals or harmful ingredients?
A: Our lithium iron phosphate batteries do not contain heavy metals such as lead and cadmium, are RoHS-compliant, and are safely recyclable.