Tattu 4.0/3.5 14S 20000mAh 53.2V HV 25C Smart Drone Battery - Integrated MOSFET / Anti-Spark Modular

Question 1: What are the primary differences between the Tattu 4.0 and Tattu 3.5 series batteries?

Answer 1: The Tattu 4.0 series features a built-in MOSFET for integrated anti-spark protection, simplifying installation. The Tattu 3.5 series requires the drone to be equipped with an external Anti-Spark Modular for connection safety.

Question 2: What is the nominal capacity and voltage of these Tattu smart batteries?

Answer 2: Both series have a nominal capacity of 20000mAh (20Ah) and a nominal voltage of 53.2V, configured as 14S1P.

Question 3: Can these batteries be fast-charged?

Answer 3: Yes, both Tattu 4.0 and 3.5 series support 5C fast charging, allowing a recharge from 30% to 95% in approximately 10 minutes.

Question 4: What is the maximum continuous discharge current?

Answer 4: These batteries support a maximum continuous discharge current of 180A, ensuring robust power for demanding missions.

Question 5: How does the integrated BMS enhance battery safety?

Answer 5: The BMS provides real-time monitoring, fault self-diagnosis, overcurrent protection, automatic balancing, and smart storage protocols.

Question 6: Is it possible to monitor the battery status remotely?

Answer 6: Yes, both series connect to a dedicated mobile app via Bluetooth for real-time status, SOH checking, and historical data.

Question 7: Are these batteries suitable for harsh weather?

Answer 7: Absolutely. Both feature a waterproof and anti-corrosion shell with an improved ventilation system for reliable performance in diverse environments.

Question 8: What is the weight and dimensions of this 20000mAh battery?

Answer 8: The battery weighs approximately 7900g (±100g) and measures 261mm x 237mm x 92.5mm (±5mm).

Question 9: What kind of drones are these batteries designed for?

Answer 9: They are engineered for demanding aerial missions, including agricultural spraying, logistics UAVs, and complex surveying.

Question 10: What is the benefit of the MOSFET in the Tattu 4.0 series?

Answer 10: The MOSFET provides integrated anti-spark functionality, reducing sparking risks and simplifying the overall drone power system setup.

Question 11: Do these batteries offer protection against undervoltage?

Answer 11: Yes, the integrated BMS provides comprehensive undervoltage and overcurrent protection to safeguard both the battery and the drone.

Question 12: How do these batteries improve operational efficiency?

Answer 12: Through 5C fast charging, high energy density for longer flights, and intelligent diagnostic features that minimize maintenance downtime.

General Care Instructions for Drones and Drone Accessories

1. Battery Care

• Charging: Always use the recommended charger for your drone's battery. Avoid overcharging—once the battery is fully charged, unplug it to avoid damaging the battery.
  
• Storage: When not in use, store the battery in a cool, dry place. Avoid exposing the battery to extreme temperatures (below 0°C or above 40°C).
  
• Maintenance: Periodically check the battery’s health and charge cycles. Replace the battery after 300-500 charge cycles depending on its condition.
  

2. Cleaning

• Exterior Cleaning: Use a soft cloth to clean the drone’s body and propellers. Avoid using any abrasive materials that could scratch or damage the surface.
  
• Lens & Camera: Clean the camera lens and sensors with a microfiber cloth to remove dust and smudges. Never use chemical cleaners that might damage the lens coating.
  
• Propellers: Inspect and clean the propellers regularly, especially after use in dusty or dirty environments.
  

3. Storage

• Safe Storage: When storing your drone, ensure it’s kept in a safe, dry place where it won't be exposed to extreme temperatures, humidity, or direct sunlight.
  
• Transport: Use a protective case when transporting the drone to prevent damage. Never leave your drone exposed to the elements, especially in hot or humid conditions.
  

4. Pre-Flight Checks

• Battery: Ensure the battery is fully charged before flying.
  
• Propellers: Check that the propellers are secure and free from cracks or other damage.
  
• GPS and Sensors: Ensure the drone's GPS and other sensors are functioning properly before takeoff. Perform a quick calibration if necessary.
  

5. Post-Flight Care

• Cool Down: Allow the drone to cool down before packing it away. This is particularly important if you’ve been flying for an extended period.
  
• Post-Flight Cleaning: After each flight, clean the drone and check for any damage or wear. Inspect the propellers and motors for any debris or dirt that might affect performance.
  

6. Maintenance & Repairs

• Repairs: For any mechanical issues, contact a certified repair center or technician. Avoid attempting complex repairs yourself unless you're trained.
  
• Firmware Updates: Regularly check for firmware updates for your drone to ensure it has the latest features and safety improvements.
  

7. Environmental Considerations

• Weather Conditions: Avoid flying your drone in strong winds, heavy rain, or extreme temperatures. Always check the weather conditions before flying.
  
• Flying Location: Always ensure that you are flying in an open area, free from obstacles like trees, power lines, and buildings. Check local regulations for any restricted airspaces.

Shipping Policy

1. Processing Time

• Orders are typically processed within 1-2 business days of receipt. If there are any delays due to high demand or inventory issues, we will notify you as soon as possible.

2. Shipping Methods

• We offer several shipping options based on your location. The available methods are:
  Standard Shipping (5-7 business days)
  Expedited Shipping (2-3 business days)
  Express Shipping (Next-day delivery)

Shipping times may vary depending on the destination and availability of the product.

3. Shipping Fees

• Shipping fees are calculated at checkout based on your order's weight, size, and destination. You will be provided with a shipping quote before finalizing your purchase.
• We offer free standard shipping on orders over a certain amount (e.g., $1000) for specific regions.

4. International Shipping

• We ship globally to most countries. For international shipments, please note that customs duties, taxes, and fees are the responsibility of the customer and will be charged by the local authorities upon delivery.
• Delivery times may vary based on the destination.

5. Order Tracking

• Once your order has shipped, you will receive a tracking number by email. You can track the status of your shipment using the tracking link provided.

6. Delivery Issues

• If your package is delayed or lost in transit, please contact our customer service team immediately. We will work with the shipping carrier to resolve any delivery issues.

Return & Refund Policy

1. Returns

• We want you to be completely satisfied with your purchase. If you are not satisfied, you can return most new, unused items within 30 days of delivery for a full refund or exchange.
• To initiate a return, please contact us at returns@uniteduav.com with your order number and reason for the return. We will guide you through the return process.

2. Return Conditions

• Items must be returned in their original condition (unused, undamaged, and in the original packaging) to be eligible for a refund or exchange.
• Non-returnable items include:
  Customized or personalized items
  Opened or used drone batteries
  Sale items or items marked as non-returnable

3. Return Shipping Fees

• Return shipping is the responsibility of the customer unless the item is defective or was sent in error. We recommend using a trackable shipping service for returns to ensure your items are returned safely.
• Free Return Shipping: We offer free return shipping on defective products or if you receive the wrong item.

4. Refund Process

• Once your returned item is received and inspected, we will notify you of the approval or rejection of your refund.
• Refunds will be processed to your original method of payment within 7-10 business days. Depending on your bank or credit card provider, it may take additional time for the refund to reflect in your account.

5. Exchanges

• If you would like to exchange your item for a different size, color, or model, please contact us with your request. If the exchange is approved, we will send out the new item and provide instructions for returning the original product.

6. Damaged or Defective Items

If you receive a damaged or defective item, please contact us within 7 days of receipt. We will arrange for a replacement or refund, including free return shipping for defective items.

For more details, please review our Shipping Policy.