Rechargeable lithium battery pack factory for small electric vehicles

As electric-powered unmanned aerial vehicles (UAVs) become increasingly prevalent, the proper usage of UAV batteries is crucial for ensuring both flight safety and battery longevity. CTECHi's intelligent UAV warehouse, utilizing RFID technology, offers standardized management for UAV operations, enhancing safety and efficiency.CTECHi's smart battery charging cabinets allow users to monitor battery quantity, status (charging, fully charged, stored, communication failure, etc.), current capacity, temperature, SN code, charging cycles, usage history, lifespan, damaged batteries, and active batteries through the intelligent warehouse management system.Here's some essential information regarding UAV batteries:Basic Structure of Lithium-ion UAV Batteries:Positive electrode: Typically composed of lithium cobalt oxide or lithium nickel cobalt manganese oxide.Negative electrode: Composed of graphite or graphite-like carbon.Positive electrode tab: Made of aluminum (Al) composite.Negative electrode tab: Made of nickel (Ni) or nickel-plated copper (Ni-Cu) for good conductivity.Electrolyte: Consists of lithium hexafluorophosphate dissolved in carbonate solvent or gel-like electrolyte.Separator: A specialized polymer film with microporous structure.Voltage System of UAV Lithium-ion Batteries: UAV batteries are classified into high-voltage system batteries (rated voltage 3.8V, charging upper limit voltage 4.375V) and conventional voltage system batteries (rated voltage 3.7V, charging upper limit voltage 4.25V).Avoid Over-discharge: To prevent battery damage or potential hazards like internal short circuits, UAV batteries should not be discharged below 2.5V per cell.Avoid Overcharge: Specialized chargers should be used to prevent overcharging, as it may reduce battery lifespan or lead to thermal runaway and fire hazards.Partial Charging for Storage: Fully charged batteries should not be stored for more than seven days. For long-term storage, batteries should be charged to 3.80-3.96V per cell.Long-term Storage: If batteries are not used for more than three months, they should be cycled once before adjusting the voltage to 3.80-3.96V per cell for storage.Protection from Physical Damage: UAV batteries should be protected from dropping or impact to avoid deformation and internal short circuits, which can accelerate battery degradation or cause fires.Avoid Contact with Sharp Objects: Direct contact with sharp objects should be avoided to prevent packaging damage and electrolyte leakage, which may lead to battery failure or combustion.By adhering to these guidelines, UAV operators can ensure the safe and efficient use of lithium-ion batteries, thereby maximizing the performance and lifespan of their UAVs.

As the drone industry continues to evolve, polymer lithium batteries have emerged as the preferred choice for powering drones. But what advantages do polymer lithium batteries offer as drone batteries, and how are they utilized in practical applications?Flexibility in Size and Shape: Polymer lithium batteries are not restricted to standard sizes and can be flexibly designed in various dimensions, including thickness. Unlike conventional liquid lithium-ion batteries, polymer batteries can be as thin as 1mm, allowing for more versatile design options and maximizing the use of valuable space in drones.Enhanced Discharge Performance: With gel electrolytes, polymer lithium batteries exhibit more stable discharge characteristics compared to liquid electrolytes. This results in approximately 20% higher energy density and superior capacity compared to conventional lithium-ion batteries, making them ideal for powering drones.Lower Internal Resistance: The gel electrolytes used in polymer lithium batteries contribute to lower internal resistance. This translates to reduced self-discharge and extended standby time, enabling drones to deliver higher performance. Leading manufacturers like CTECHI have achieved industry-leading levels of internal resistance in their polymer lithium batteries.Enhanced Safety Features: Polymer lithium batteries, with their aluminum-plastic soft packaging, have a lower risk of explosion compared to batteries with metal casings. In case of a safety hazard, they are more likely to swell rather than explode, ensuring a higher level of safety for drones and their operators.Lightweight Design: By eliminating the need for metal casing, polymer lithium batteries are lighter compared to batteries of similar capacity. This lightweight design is advantageous for drones, allowing for longer flight times and improved overall performance.One notable example of a polymer lithium battery designed for industrial drones is the 14S30Ah intelligent battery produced by CTECHI. This battery offers several features tailored to the needs of industrial drone users:High Capacity and High Rate: The battery integrates high-density lithium polymer cells with high-rate compatibility, providing both safety and exceptional performance. With dimensions of only 176mm x 102mm x 227.5mm and a weight of 6.5kg, it delivers a remarkable energy capacity of 1554WH.Real-Time Data Display: Equipped with a built-in display screen, the battery provides instant access to various flight data and parameters, enabling users to monitor performance and analyze flight records conveniently.Zero-Power Consumption Display Screen: The display screen consumes zero power, ensuring minimal impact on battery life. Its high-definition, high-contrast design ensures readability even in bright outdoor conditions.spower System for Enhanced Data Support: The battery's unique spower system allows users to access detailed battery information, including location, voltage, and trajectory, through a cloud platform. Additionally, it provides safety alerts in real-time via multiple communication channels, ensuring the safe storage and use of each battery cell.In summary, polymer lithium batteries offer significant advantages for powering drones, including flexibility, enhanced performance, safety, and lightweight design. Manufacturers like CTECHI are continuously innovating to meet the evolving needs of the drone industry.

As March unfolds and ushers in the warmth of spring, agricultural activities are in full swing across the country. Farmers can be seen diligently preparing their fields for planting, utilizing a blend of traditional tools and modern technologies to ensure a bountiful harvest for the year.In this season of agricultural renewal, the hum of drones and farm machinery reverberates across the rural landscape, composing a symphony of productivity. Among the essential components powering these agricultural drones are the sophisticated battery systems, which play a crucial role in providing the necessary energy for aerial operations.CTECHI, a leading manufacturer specializing in drone battery systems, has been particularly busy since the onset of spring, fulfilling orders from various regions across the nation. With production facilities bustling with activity, CTECHI is ensuring that its range of intelligent drone batteries and chargers are packaged and dispatched promptly, empowering agricultural drones to soar into the skies with formidable power.To shed light on the importance of proper drone battery usage, CTECHI interviewed its production engineers to outline some key considerations for drone battery usage:Ensure Full Charge: Drones must operate with fully charged batteries, with voltage levels exceeding 32.2V during operations to prevent premature battery failure due to over-discharge.Correct Charging Procedures: Use dedicated chargers designed for lithium batteries, adhering to specified charging currents and parameters to maintain battery health and longevity.Avoid Prolonged Storage: Fully charged lithium batteries should not be stored for more than 72 hours without use. If storage exceeds this timeframe, discharge the battery to approximately 3.8V using a charger or through controlled flight operations.Periodic Maintenance: Conduct a full charge and discharge cycle for stored batteries every month to preserve battery activity and performance.Monitor Individual Cell Performance: Any significant decrease in capacity in one cell can affect the overall effectiveness of the battery pack, necessitating replacement or repair.Inspect Connector Integrity: Regularly check battery connectors for signs of wear or damage to prevent electrical issues during flight operations.Address Overheating or Damage: Cease flight operations immediately if battery wires or connectors exhibit signs of overheating or damage, and conduct thorough inspections and repairs before resuming operations.Optimal Storage Conditions: Store lithium batteries in a clean, dry, and well-ventilated environment with temperatures ranging from -5°C to +35°C and humidity below 75%. Avoid exposure to corrosive substances, flames, or heat sources, and maintain battery charge levels between 30% and 50% during storage. Discharge temperatures should remain within the range of -20°C to +60°C during operation.Safety Precautions: In case of battery leakage, swelling, or damage to individual cells, cease drone operations immediately and seek professional assistance for inspection and resolution.CTECHI emphasizes the importance of adhering to these guidelines to ensure the safe and efficient operation of drone battery systems during agricultural activities. By prioritizing battery health and maintenance, farmers can maximize the productivity and longevity of their aerial farming operations.

As a drone pilot, you know that battery life is one of the most important factors affecting your flight experience. A short battery life can limit your flight time, restrict your range, and even put your drone at risk.In this article, we will discuss the various factors that can affect your drone battery life, and provide tips on how to extend it.Factors that affect drone battery life:Battery age: As your drone battery gets older, its capacity will gradually decrease. This is a natural process that cannot be avoided. However, you can take steps to slow down the aging process and extend the life of your battery.Battery chemistry: The type of battery chemistry used in your drone can also affect its lifespan. Lithium polymer (LiPo) batteries are the most common type of battery used in drones, and they offer a good balance of performance and lifespan. However, other types of batteries, such as lithium iron phosphate (LiFePO4) batteries, may offer a longer lifespan at the expense of performance.Battery temperature: Battery temperature also plays a role in lifespan. LiPo batteries are most efficient when they are operated within a specific temperature range. Operating your drone outside of this range can shorten the life of your battery.Battery discharge rate: The discharge rate at which you use your drone battery can also affect its lifespan. Using your battery at high discharge rates will shorten its lifespan.Battery storage: How you store your drone battery can also affect its lifespan. It is best to store your battery in a cool, dry place when it is not in use.Tips for extending your drone battery life:Follow the manufacturer's instructions: The manufacturer of your drone battery will provide specific instructions on how to care for and maintain your battery. Be sure to follow these instructions carefully.Avoid overcharging and overdischarging: Overcharging and overdischarging your drone battery can shorten its lifespan. Be sure to charge your battery only when it is needed, and to stop charging it once it is fully charged.Store your battery properly: When you are not using your drone battery, be sure to store it in a cool, dry place. This will help to extend its lifespan.Use the right charger: Using the wrong charger can damage your drone battery and shorten its lifespan. Be sure to use a charger that is specifically designed for your battery.Upgrade your battery: If your drone battery is old or damaged, you may want to consider upgrading to a new battery. Newer batteries offer longer lifespans and better performance.Conclusion:By following the tips in this article, you can extend the lifespan of your drone battery and enjoy longer, more enjoyable flights.