Raspberry X825 2.5 inch SATA HDD/SSD Storage Expansion Board Acrylic Case for Raspberry Pi 4B ( 4 Model B )
ID: 55260

Raspberry X825 2.5 inch SATA HDD/SSD Storage Expansion Board Acrylic Case for Raspberry Pi 4B ( 4 Model B )

0.0 (7 votes) | 1 orders
Price: US $64.58 - 201.17 / piece
Discount Price:
US $ 36.82 - 105.78 / piece


- Raspberry Pi 1 Model B+/ 2 Model B / 3 Model B / 3 Model B+ / 3 Model A+ / 4 Model B


- Raspbian - Safe shutdown function tested for Raspbian, other operating systems to be tested and advised


- Smart Uninterruptible Power Supply (UPS) - Provides continuous operations for up to 10hours (depending on battery type used) - 5.1V 8000mA Power Backup for even the most demanding Raspberry Pi set ups - 18650 dual Cells Lithium Ion Holder - Can work with single or dual 18650 Lithium Ion battery - Supports 2A via micro-USB socket or 3A via DC jack fast charging - Integrated battery protection circuit - Integrated over current protection and over voltage protection - Integrated Maxim's fuel-gauge systems (Reading battery voltage and percentage via i2c) - Integrated 10-A fully-integrated synchronous boost converter - Intelligent automatic charging and discharging - Automatic safe shutdown when battery low (voltage 8seconds to force shutdown - Supports safe shutdown and full poweroff through software - On-board LED shows the status of power on, reboot and shutdown


- Integrated second 10/100M fast Ethernet - Supports remote power on/wake on lan via Link-change, Magic packet, MS wakeup frame - On-board LED shows the status of power on/wakeup packet indication - Reserved 40-pin stackable Header for Add-On Boards - Powers the Raspberry Pi via the 40-pin header - no additional cabling required - Works with all current models of the Raspberry Pi using a 40 pin header - Power management and second Ethernet can still work without battery - On-board pin header allows to select auto power-on when power supplied or battery installed - Ultra-low standby power consumption of μA to maximize battery life - On-board DC jack (5.5*2.5mm) and micro-USB socket convenient for power input - On-board connector allowing to connect external power switch and DIY your perfect case - Mounting holes and standoffs provide mechanical stability of the RPi andX725 assembly


- Ultra-compact aluminum chassis - All ports and slots of the case can match with Raspberry Pi and X725 perfectly - Exhaust holes surface can reach perfect heat dissipation - Equipped with large power switch - All status LEDs still visible - Easy to change the Raspberry Pi OS SD card - No need to open the case - GPIO reference board included -Makes connecting wires to the Raspberry Pi GPIO incredibly easy - Grouped the GPIO pins into categories like I2C, IO, UART, SPI, and power

Technical Specification

- Power supply via Micro-USB socket : 4.7~5.5Vdc, 2.5A Via DC power jack : 4.7~5.5Vdc ±5%, ≥4A - UPS output : 5.1V ±5% Max 8A - UPS charging current: 2A via Micro-USB socket, 3A via DC jack - Terminal Battery Voltage : 4.2V - Recharge Threshold : 4.1V


- Don't apply power to your Raspberry Pi via the Pi's micro USB or Type-C socket - Don't use 18650 battery with built-in protection circuit.

  • Brand Name: Maerknon
  • Accessory Type: Extension Board
  • Compatible With: Raspberry pi 4B
  • Origin: CN(Origin)


We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some location we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:

Location *Estimated Shipping Time
United States 10-30 Business days
Canada, Europe 10-30 Business days
Australia, New Zealand 10-30 Business days
Central & South America 15-30 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.


Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.


Your satisfaction is our #1 priority. Therefore, if you’d like a refund you can request one no matter the reason.

If you did not receive the product within the guaranteed time(60 days not including 2-5 day processing) you can request a refund or a reshipment.

If you received the wrong item you can request a refund or a reshipment.

If you do not want the product you’ve receive you may request a refund but you must return the item at your expense and the item must be unused.

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of CNTRONIC Consumer Electronics Retailer (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of cntronic.com

*You can submit refund requests within 15 days after the guaranteed period for delivery (60 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.


If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.



Thank you for your interest doing business with us!

If you would like to get a discounted price for your large purchase orders, fill in the required blanks along with your email address, the product Item ID # and/or the link of the item that you want to order, item quantity (minimum of 30 pieces), shipping country and payment method is required. We will contact you with a discounted price as soon as we receive your inquiry.

You may also like these products