Frequently Asked Questions
What is AERDU's main business?
AERDU is a lithium - ion battery factory. We provide OEM/ODM services for B - end customers, manufacturing lithium - ion batteries according to their specific requirements. For C - end customers, we sell our products through cross - border e - commerce platforms and our independent website, offering high - quality lithium - ion batteries directly to consumers.
Where are your products sold?
Our products are sold both domestically and overseas. We have a wide range of customers in different regions. For B - end OEM business, we cooperate with companies all over the world. For C - end cross - border e - commerce, our products are available to consumers in many countries through our independent website and major cross - border e - commerce platforms.
What types of lithium - ion batteries does AERDU produce?
We produce a variety of lithium - ion batteries, including lithium - ion polymer batteries, cylindrical lithium - ion batteries, and prismatic lithium - ion batteries. These batteries are widely used in consumer electronics such as smartphones, laptops, tablets, as well as in electric vehicles, energy storage systems, and other applications.
What are the advantages of AERDU's lithium - ion batteries?
Our lithium - ion batteries have several advantages. Firstly, they have high energy density, which means they can store more energy in a smaller volume, providing longer - lasting power. Secondly, they have a long cycle life, which can be charged and discharged many times without significant capacity loss. Thirdly, our batteries are designed with high - quality materials and advanced manufacturing processes, ensuring high safety and reliability.
Can I customize the lithium - ion batteries according to my needs?
Yes, for B - end customers, we offer OEM services. We can customize the battery's capacity, size, shape, and other parameters according to your specific requirements. Our professional R & D team will work closely with you to develop the most suitable battery solution.
How do I place an order on the AERDU independent website?
For C - end customers, first, browse our product catalog on the independent website and select the products you want. Add the products to the shopping cart. Then, go to the checkout page, fill in your shipping address, payment method, and other necessary information. After confirming the order details, click the "Place Order" button. For B - end customers who need OEM services, please contact our sales team through the "Contact Us" form on the website, and our staff will get in touch with you to discuss the order details.
What payment methods are accepted on the AERDU independent website?
We accept a variety of payment methods, including major credit cards (such as Visa, MasterCard, American Express), PayPal, and some local payment methods in certain regions. You can choose the most convenient payment method for you during the checkout process.
How long does it take to process an order?
For C - end orders of in - stock products, we usually process the order within 1 - 3 business days. After that, the shipping time depends on the shipping method you choose. For example, express shipping may take 3 - 7 business days, while standard shipping may take 7 - 15 business days. For B - end OEM orders, the processing time varies according to the complexity of the customization and order quantity. Our sales team will provide you with an estimated delivery time after receiving your order details.
How do you ship the products?
For C - end customers, we cooperate with reliable international shipping companies such as DHL, FedEx, UPS, and EMS. You can choose the shipping method that suits you best during the checkout process. For B - end OEM orders, we will choose the most cost - effective and reliable shipping method based on the destination and order quantity, and will communicate with you in advance to ensure the smooth delivery of the products.
Do you ship internationally?
Yes, we ship our products internationally. Whether you are in North America, Europe, Asia, or other regions, you can place an order on our independent website (for C - end) or cooperate with us for OEM services (for B - end), and we will arrange the shipping to your location.
What if my order is lost or damaged during shipping?
If your order is lost or damaged during shipping, please contact us as soon as possible. Provide us with your order number and relevant details about the problem. We will work with the shipping company to investigate the issue. If it is confirmed that the product is lost or damaged during shipping, we will arrange for a replacement or refund according to our after - sales policy.
How can I get technical support for AERDU's products?
If you have any technical questions about our lithium - ion batteries, you can contact our technical support team through the "Contact Us" form on the website. Our professional technicians will reply to you as soon as possible and provide you with detailed technical guidance and solutions.
Do lithium - ion batteries need to be activated for the first use?
No. Modern lithium - ion batteries have been pre - activated during the manufacturing process. There is no need for users to charge the battery for a long time for the first use as in the case of early - stage batteries. Using the battery normally and charging it in time when the remaining power is about 20% - 30% is beneficial for extending the battery life.
Can I charge the lithium - ion battery after it is completely drained?
It is not recommended. Over - discharging can damage lithium - ion batteries and shorten their cycle life. Try to avoid letting the battery power drop below 20%, and charge the battery in time when the power is low.
Can I use the lithium - ion battery while charging?
Yes. Generally, using a lithium - ion battery while charging will not cause serious damage to the battery, but it may cause the battery to heat up. If the battery overheats continuously, it may affect the battery's performance and life. Therefore, when using the battery while charging, pay attention to the battery temperature and avoid using it in a high - temperature environment for a long time.
Will the capacity of lithium - ion batteries decrease over time?
Yes. As the number of charge - discharge cycles increases, the capacity of lithium - ion batteries will gradually decrease. This is a normal battery aging phenomenon. Usually, after several hundred cycles, the battery capacity may drop to about 80% of the initial capacity. However, through reasonable use and maintenance methods, the rate of capacity decline can be slowed down.
What is the impact of low - temperature environments on lithium - ion batteries?
Low - temperature environments can reduce the performance of lithium - ion batteries, manifested as a decrease in battery capacity, slower charging speed, and shorter battery life. After using the battery in a low - temperature environment and returning to a normal - temperature environment, the battery performance will recover to some extent. However, long - term use in a low - temperature environment will accelerate battery aging.
What is the impact of high - temperature environments on lithium - ion batteries?
High - temperature environments also have an adverse impact on lithium - ion batteries. High temperatures can accelerate the chemical reactions inside the battery, leading to a faster decline in battery capacity. It may also cause the battery to overheat and even pose safety risks. Try to avoid leaving lithium - ion batteries in high - temperature environments for a long time, such as in a car under direct sunlight.
How to properly store lithium - ion batteries?
If you need to store lithium - ion batteries for a long time, charge the battery to about 50% - 60% of its capacity and then take it out for storage. Charge and discharge the battery once every period of time (such as once a month) to maintain battery activity. The storage environment should be dry and cool, avoiding high - temperature, humid, and strong - magnetic - field environments.
Can lithium - ion batteries be repaired?
For some lithium - ion batteries with decreased performance due to improper use, they can be repaired to a certain extent through professional repair equipment and methods, such as using pulse repair technology. However, for batteries that are severely aged or damaged, the repair effect may not be good, and it is recommended to replace the battery with a new one at this time.
How to determine whether a lithium - ion battery needs to be replaced?
When a lithium - ion battery shows obvious capacity decline (such as a significant reduction in battery life), long charging time, running out of power quickly after charging, battery swelling, or abnormal heating, it may mean that the battery needs to be replaced. In addition, if the battery has been used for longer than its normal service life, you should also consider replacing the battery.
Can lithium - ion batteries be used in high - temperature environments?
Although lithium - ion batteries can be used in high - temperature environments to a certain extent, it is not recommended to operate them in high - temperature environments for a long time. High temperatures can have many negative impacts on lithium - ion batteries. On the one hand, high temperatures can accelerate the chemical reactions inside the battery, causing the battery capacity to decline more quickly. For example, when using a device equipped with a lithium - ion battery outdoors in a hot summer for a long time, you may find that the device's power consumption is significantly faster. On the other hand, high temperatures may also cause the battery to overheat, and in severe cases, it may even pose safety hazards. For example, the battery may bulge, smoke, or even catch fire. Therefore, try to avoid using lithium - ion batteries in high - temperature environments for a long time. If it is unavoidable, cool down the battery in time after use to reduce the damage caused by high temperatures to the battery.
How to determine whether a lithium - ion battery has been affected by high temperatures?
It can be judged from the following aspects. First, in terms of battery capacity, if you find that the battery life is significantly shortened in the same usage scenario. For example, a device that could originally be used for a whole day when fully charged can now only last for half a day. This is likely that high temperatures have affected the battery capacity and caused it to decline rapidly. Secondly, observe the appearance of the battery. If the battery bulges, deforms, or there are obvious abnormal conditions such as discoloration or wear on the battery surface, it is very likely that it has been attacked by high temperatures and the internal structure has changed. Furthermore, during the charging process, if the charging time becomes significantly longer or the battery overheats abnormally, much higher than the normal charging temperature, it also indicates that the battery may be damaged due to high temperatures. In addition, in terms of user experience, if the device frequently freezes, crashes or shows other unstable phenomena during operation, it may also be related to the performance degradation of the lithium - ion battery affected by high temperatures.