Includes all taxes
Products information:
Capacity: 30000mAh/40000mAh
Dimission: 4.56*2.75*0.98inch
USB Output: 5V/2A
Type-C Input: 5V/2A
DC Output: 7.4V/3A
Recharge Time: about 6 Hours
Connector Type:Usbtypec
Charger Features:Universal
Power Mode:Battery Powered
Operating Voltage:≤36V
Battery Properties:Rechargeable Battery
Rechargeable Battery:Lithium Battery-Polymer
Product Description:
The use of batteries and cooling fans in hot summer
【Summer air conditioning fan battery】
The 5V2A USB output port can charge a 5V cooling fan. Let people who need outdoor work and exercise feel cool in summer and avoid heatstroke.
【 Fan speed setting】
The fan has 3 airflow modes, so you can adjust the airflow according to the working conditions. Low noise, can work continuously.
【Refrigeration fans are widely used】
suitable for workers, construction, gardening, hiking, walking, kitchen chefs, farmers, or warehouse workers. Avoid sweating and heatstroke.
BATTERY PACK SPECIAL FOR HEATED APPARELS
30000mAh Huge Capacity: Large enough capacity battery support up to heat up quickly in 3 seconds, give you long-lasting warmth.
Designed for heated clothes: Compatible with Heated Vest for Topdot, for Glaais, for ARRIS, for TOPVETSAMC, for LORUSAFF, for RenRon, for THOUSTA, for Vofuoti, for Ririgans, for KODOKU, for Gohero, for SPOYR, for Soleilwear, for PLIDINNA, for SGKOW, for Vencede, for Coldbling, for JYK, for SNOW LEOPARD, for Evonicc, for Hecusma, for Bitlyle, for ZKN, for FFraao, for RGFQE, for Camoner, for GOTOBI, for Sevdiea, for san moolias etc.
Fit for USB and DC heated apparels: Our battery pack not only supply power to most USB heated clothes(heated vest, jacket, pants, sleeping pad etc.), also to the DC input devices.
Equipped with different DC ports: DC electric heated vest on the market have different specifications of DC interface, in order to solve this issue, we are equipped with an extra DC3.8mm to DC4.0mm interface cable, which is enough to meet the needs of most DC heated vests.
Changes USB to DC interface: This item come with a DC to USB cable that exchange 5V USB to 7.4V DC port, it will increase the temperature of the heated vest as the power output increases.
What are the indicator light for?
Press the button besides to check the remain power.
Each indicator light show the 0%-25% capacity, and a flashing light once than didn't light again means 0% capacity, it need to be charged.
It will automatically power off if no devices is connected for 30s.
A: Is the battery 30000/40000 mAh?
Q: Yes, the capacity and description of the battery are consistent. The conversion rate of power banks is approximately 50-65%. The shorter the data cable, the better the quality and the higher the conversion rate.
A: Why does my battery drain quickly?
Q: Due to incomplete activation of the battery cells inside the battery. Receiving a brand new battery, there may be a phenomenon of virtual charge at the beginning, which is a normal phenomenon. For first-time use, it is recommended to fully use the existing battery level of the power bank to 0% when turned off, and then fully charge the power bank to 100%; Cycling the power bank 5 times can restore normal battery life.
A: Why won't my power bank charge?
Q: Since this product has a 5V/2A input, please try charging it with the data cable included in the package. It won't be compatible if you use a USB-C to USB-C cable, so please use our USB-A to USB-C cable for charging.
Package Content:
battery pack*1
charging cable*1
USB to DC cable*1
DC 3.8mm male to DC 4.0mm female*1
user manual*1
Hot Tips:
Please disconnect the battery when not using the heated vest for safety use.
If you get the temperature so hot on the DC input, please change to the USB input.





Designed For Heated Apparels
Suitable for most USB powered devices and DC powered devices.
Two conversion cables for all electric heating products
①USB Port: Keep the temperature at a longer duration
②DC Port: Warm up faster and Get a higher temperature
Note:DC port 7.4V3A, specifically designed for heating clothes. Not compatible with the phone, the phone can be charged directly by inserting it into a 5V2A USB port.


Change USB Port To DC Port
DC to USB cable is a power cable that exchanges 5V USB port to 7.4V DC port, it will increase the temperature of the heated vest as the power output increases.
Note:DC port 7.4V3A, specifically designed for heating clothes. Not compatible with the phone, the phone can be charged directly by inserting it into a 5V2A USB port.




Payment Policy – BILLIONS BIRDS
At BILLIONS BIRDS, we are committed to providing a safe, secure, and seamless payment experience for our customers.
1. Accepted Payment Methods
We accept the following payment options:
Major Credit & Debit Cards (Visa, MasterCard, American Express)
Secure Online Payment Gateways (such as PayPal, Stripe, or other providers available at checkout)
Any additional payment methods displayed during checkout
All payments must be completed in full at the time of purchase.
2. Secure Transactions
All transactions are processed through encrypted and secure payment systems to protect your personal and financial information. We do not store your full payment details on our servers.
3. Currency
Prices are displayed in the currency indicated on the website. If you are purchasing from another country, your bank may apply currency conversion fees.
4. Order Confirmation
Once your payment has been successfully processed, you will receive an order confirmation email containing your purchase details.
5. Failed or Declined Payments
If your payment is declined, please verify your billing information or contact your bank. Orders will only be processed after successful payment confirmation.
6. Fraud Prevention
BILLIONS BIRDS reserves the right to cancel or refuse any order if fraud or unauthorised activity is suspected.
Delivery Policy – BILLIONS BIRDS
At BILLIONS BIRDS, we are dedicated to delivering your orders safely and efficiently.
1. Order Processing
All orders are processed within 1–3 business days after payment confirmation. Orders are not processed or shipped on weekends or public holidays.
2. Shipping Times
Estimated delivery times vary depending on your location:
Domestic Shipping: 3–7 business days
International Shipping: 7–15 business days
Please note that delivery times are estimates and may vary due to customs procedures, carrier delays, weather conditions, or other unforeseen circumstances.
3. Shipping Costs
Shipping fees are calculated at checkout based on your location and selected shipping method. Any customs duties, taxes, or import fees are the customer's responsibility.
4. Tracking Information
Once your order has been shipped, you will receive a confirmation email with tracking details (if available) so you can monitor your package.
5. Delivery Issues
If your order is delayed, lost, or arrives damaged, please contact us within 7 days of the expected delivery date. We will work with the shipping carrier to resolve the issue as quickly as possible.
6. Incorrect Shipping Information
Customers are responsible for providing accurate shipping details at checkout. BILLIONS BIRDS is not responsible for orders shipped to incorrect addresses provided by the customer.
Refund Policy – BILLIONS BIRDS
At BILLIONS BIRDS, customer satisfaction is our top priority. If you are not completely satisfied with your purchase, we’re here to help.
1. Return Eligibility
You may request a return within 14 days of receiving your order. To qualify for a return:
The item must be unused, unworn, and in the same condition as received.
The item must be in its original packaging.
Proof of purchase (order confirmation or receipt) is required.
Certain items may not be eligible for return, including clearance items, gift cards, or personalised/custom products.
2. Non-Refundable Items
The following items are non-refundable:
Final sale or discounted items
Gift cards
Items damaged due to misuse, negligence, or improper care
3. Return Process
To initiate a return, please contact our customer support team with your order number and reason for return. If your return is approved, you will receive instructions for returning the item.
Unless the item is defective or incorrect, customers are responsible for return shipping costs.
4. Refund Processing
Once we receive and inspect your returned item:
We will notify you of the approval or rejection of your refund.
If approved, the refund will be issued to your original payment method within 5–10 business days.
Please note that banks or payment providers may require additional time to process refunds.
5. Damaged or Incorrect Items
If you receive a damaged, defective, or incorrect item, please contact us within 7 days of delivery and provide clear photos of the product and packaging. We will arrange a replacement or full refund at no additional cost.
6. Late or Missing Refunds
If you have not received your refund:
Check your bank account again.
Contact your credit card company or payment provider.
If the issue persists, don't hesitate to contact our support team for assistance.
Share your thoughts with other customers