- Home Page /
- Electronics /
- Household Batteries, Chargers & Accessories /
- Battery Chargers /
- 22.5W Fast Charging DIY Power Bank Case for 4 x 18650 B...
0 ratings
Item #:
244629162
22.5W Fast Charging DIY Power Bank Case for 4 x 18650 Batteries, Solder-Free Holder Box with Type-C/Micro/Lightning Inputs, Dual USB Output Portable
81% of respondents would recommend this to a friend
Item #:
244629162
XCD 65
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
In stock
Imported from USA store
QTY:
Only 6 items left in stock.
Order now and get it around Thursday, October 01
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
Experience high-speed charging with 22.5W, versatile compatibility and safety features for all your lithium battery needs.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
Product Details
| Output Voltage | 12 volts, 5 volts, 9 volts |
| Input Voltage | 5 volts |
| Current Rating | 4.5 A |
| Amperage | 4.5 A |
| Compatible Devices | Smartphones, Tablets, Cameras, and other USB-charged devices |
| Connector Type Used on Cable | USB |
| Number of Ports | 5 |
| Item Dimensions D x W x H | 3.15"D x 4.33"W x 0.98"H (8 x 11 x 2.5 cm) |
| Item Weight | 62 g |
| Color | White |
| Brand | Yinow |
| Mfr Part Number | 2U4D |
| Number of Items | 1 |
| Manufacturer | Yinowsz |
| Number of Packs | 1 |
| Unit Count | 4 Count |
| Model Number | 2U4D |
| Product Dimensions (L x W x H) | 3.15"D x 4.33"W x 0.98"H (8 x 11 x 2.5 cm) |
Dangerous Goods
To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the capacity of the 22.5W Fast Charging DIY Power Bank Case?
Answer: The capacity of the power bank case depends on the 18650 batteries you choose to install. Each 18650 battery typically has a capacity ranging from 1800mAh to 3500mAh. Therefore, with four batteries, you can achieve a total capacity ranging from 7200mAh to 14,000mAh, providing substantial power for charging devices on-the-go. This versatility allows users to customize their power bank to meet specific energy needs, making it a perfect companion for travel, outdoor activities, or situations where a reliable power source is essential. -
Question:
How do I assemble the 22.5W Fast Charging DIY Power Bank Case?
Answer: Assembling the DIY Power Bank Case is straightforward as it requires no soldering, making it user-friendly even for those without technical expertise. Simply slide your four 18650 batteries into the provided slots, ensuring correct orientation. The case features clear instructions and built-in safety mechanisms to prevent incorrect installation. This design makes it an excellent project for educational purposes or for hobbyists who want to learn more about lithium batteries and power bank functionality. -
Question:
What types of devices can I charge using this power bank case?
Answer: You can charge a wide variety of devices using this power bank case, thanks to its dual USB output and multiple input options including Type-C, Micro, and Lightning. Popular devices include smartphones, tablets, Bluetooth devices, and even smaller laptops. This flexibility makes it particularly useful for users with multiple gadgets or those who frequently travel, ensuring you stay powered up no matter what devices you have. -
Question:
Is the power bank case compatible with all 18650 batteries?
Answer: Yes, the power bank case is generally compatible with standard 18650 lithium-ion batteries. However, it is advisable to use high-quality batteries from reputable brands to ensure safety and performance. Some users prefer batteries with built-in protection circuits to enhance safety further. Utilizing the appropriate batteries ensures optimal performance during charging and minimizes risks associated with unregulated cells. -
Question:
Can I use the power bank while it is charging?
Answer: Yes, the 22.5W Fast Charging DIY Power Bank Case supports pass-through charging, which allows you to charge both the power bank and connected devices simultaneously. This feature is particularly useful when you need to power your devices while ensuring the power bank remains charged for future use. Such functionality is ideal for users who are frequently on the move and require a reliable and efficient power solution. -
Question:
What safety features does the power bank case include?
Answer: The power bank case is designed with several safety features to protect both the batteries and your devices. These include overcharge protection, short-circuit protection, and overheating prevention. These safety mechanisms ensure reliable operation, minimize risks, and prolong battery life. Such additions make it suitable for daily use, especially for tech enthusiasts and individuals who utilize their devices heavily. -
Question:
How long does it take to charge a smartphone using this power bank case?
Answer: The charging time for a smartphone will vary based on its battery capacity and the output of the power bank case, which is 22.5W. Typically, most smartphones can be fully charged in about 1.5 to 3 hours. For instance, with a 3000mAh battery, you can expect a speedy charge, allowing you to maximize your time away from home. This rapid charging capability is beneficial for users who need quick access to power during busy days. -
Question:
Are the batteries included with the power bank case?
Answer: No, the batteries are not included with the purchase of the power bank case. Users will need to acquire 18650 batteries separately. This allows you to customize the capacity and performance to suit your specific charging needs. Using your choice of batteries can result in better efficiency and longer usage intervals, making it a tailored experience for each user. -
Question:
What are the dimensions of the power bank case?
Answer: The dimensions of the power bank case are compact and portable, designed to fit snugly in a bag or pocket. Typically, the case measures around 120mm x 70mm x 20mm. This convenient size enables users to easily carry it during outdoor adventures or daily commutes. Its lightweight construction enhances portability while providing robust functionality. -
Question:
Where can I buy the 22.5W Fast Charging DIY Power Bank Case in Saint Kitts and Nevis?
Answer: You can purchase the 22.5W Fast Charging DIY Power Bank Case for 4 x 18650 Batteries directly from Ubuy. Ubuy offers a reliable platform for obtaining this innovative product, ensuring customer satisfaction with their streamlined process and extensive selection. Explore their website to find this product and enhance your charging capabilities with a customized power solution.
Yinow Battery Chargers 2U4D Editorial Review
22.5W Fast Charging DIY Power Bank Case for 4 x 18650 Batteries, Solder-Free Holder Box with Type-C/Micro/Lightning Inputs, Dual USB Output Portable Charger Shell (Battery Not Included) is a versatile tool for those who enjoy reusing older devices. It features an output voltage of 12 volts and supports charging multiple cells simultaneously, making it ideal for reviving overdischarged batteries. Users appreciate the convenience of its USB A outputs, allowing them to charge smartphones and tablets. Additionally, its compact design with dimensions of 3.15"D x 4.33"W x 0.98"H ensures portability, although its limitation to 18650 batteries might not suit everyone's needs.
Customer Reviews & Ratings
5 customers ratings
-
5 Star
36%
-
4 Star
33%
-
3 Star
0%
-
2 Star
0%
-
1 Star
31%
Review this product
Share your thoughts with other customers
Pros
- Multiple input options including Type-C and Micro
- Can charge up to 4 batteries at once
- Allows for recycling old 18650 batteries
- Compact and lightweight design for portability
- USB outputs for charging various devices
Cons
- Limited to 18650 size cells only, not versatile for other batteries
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
K
kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
XCD 65
Order now and get it around Thursday, October 01
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Only 6 items left in stock.
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- High-speed charging at 22.5W with multiple input/output options.
- Supports multiple charging protocols like PPS, SCP, QC4.0, and PD3.0.
- 0V activation function for charging deeply discharged lithium batteries.
- Dual-purpose functionality: charges batteries and powers devices.
- Built-in safety features protect against overcharging and short circuits.
- Handy built-in flashlight for emergencies and outdoor use.
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.