16*18650 Power Bank Case C16 USB Welding Free Power Bank Case Detachable Portable QC 3.0 PD DIY Shell Housing For Powerbank

Description

Specification

1. Function: digital display with power, detachable, welding-free, with anti-reverse connection protection, can charge 16 18650 flat-head batteries, when the built-in battery can be used as a power bank, the normal version requires a charging cable, wireless fast charging The version does not require a charging cable and can be charged quickly.
2. Hand-made DIY mobile power kit, self-configured mobile power, larger battery capacity and more durable, can better solve your charging problem.
3. Suitable for people with greater charging needs, equipped with 3 charging interface types, for Micro, for Apple,for Type-C can charge the charging box.
4. With power display, let you know the remaining power anytime and anywhere, and better charge your mobile phone or other devices.
5. Comes with a lanyard, which is more convenient to carry, allowing you to take it wherever you go.

Note

Charging power depends on your device, for example: 9V-2A, if your device supports 9V-2A, then it will automatically jump to 9V-2A, if not, it will not jump.

Feature

Size:186*80*44mm
Normal Version Maximum Power: 5V-2.1A
Wireless Charge Version Maximum Power: 5V-2.1A, Wireless Charging :5W
Quick Charge Version Maximum Power: 5V-3A 9V-2A 12V-1.5A
Quick Charge + Wireless Charge Version Maximum Power: 5V-3A 9V-2A 12V-1.5A 3.4V-5.5V-5A, Wireless Charging :10w

Precautions

1. The battery cannot be used if its outer skin is damaged.
2. Pointed batteries cannot be used, only flat batteries can be used.
3.the voltage is in line with 3.2V-4.2V
4. The positive and negative poles need to be placed and used correctly.
5. Do not use or store in a high temperature environment.

Package included

1x 18650 Power Bank Case(Batteries not included)

Q&A

Q1: The screen displays "0"
A1: After the battery is installed, the battery box needs to be plugged in and activated, so that the screen can be displayed normally

Q2: The battery cannot be fully charged:
A2: Try to change the charging head or change the cable
The higher the power of the charging head, the better. For example, use a fast charging head that supports PD protocol or QC protocol.

Q3: No wireless charging (wireless charging version)
A3: Take off the phone case, it will be more sensitive. You need to put it in the exact spot and lay it flat. If it is not placed properly, it will not be able to charge.

Q4: When charging the phone from the front, it shows 52%. When you pull it out and put it back, it shows 98%. What is the principle?
A4: This is virtual power, you need to discharge the power and then fully charge it again. The power output is inaccurate at the beginning and needs to be cycled 2-3 times
The cycle is to discharge to 0 and recharge to 100. after several cycles

Shop Policies

Payment Policy

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

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

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.