A power supply is a thing that accompanies us every day when using various other devices. Its importance is often underestimated. Example? A desktop computer, even with great components, can run slowly if the power supply is chosen inappropriately. The power of the socket adapter is one of the most important parameters. This regularity goes well beyond the subject of computers, as power supplies are also commonly used for various DIY electronic projects.
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Socket power supply
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Power supply justPi C USB 5V/3A for Raspberry Pi 4B
Dedicated power supply for the Raspberry Pi 4B minicomputer (1 GB, 2 GB and 4 GB RAM). It has parameters consistent with the recommendations of the Raspberry Pi foundation:...
Index: SHR-14516
Index: SHR-14516
justPi power supply for Raspberry Pi 3B+/3B/2B/Zero - microUSB 5V/2,5A
A power supply equipped with a microUSB connector compatible with the Raspberry Pi mini-computer. It has parameters allowing for optimal power supply to the Raspberry Pi 3B+ /...
Index: ZAS-07363
Index: ZAS-07363
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Power supply justPi 12V/2. 5A for Arduino - DC plug 5,5/2,1mm
A switching power supply from justPi with parameters enabling optimal power supply of the Arduino module. This power supply is equipped with a compatible 5.5/2.1 mm DC...
Index: JUS-22694
Index: JUS-22694
Power supply justPi for Raspberry Pi 3B+/3B/2B/Zero microUSB black 5V/2,5A
Dedicated power supply for Raspberry Pi 3B+/3B/2B/Zero series minicomputers with 5 V output voltage and 2.5 A current capacity. Equipped with a 1.2 m long microUSB cable.
Index: SHR-14515
Index: SHR-14515
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Raspberry Pi 27W USB-C Power Supply - official 5,1V / 5A PSU for Raspberry Pi 5 - black
Official Raspberry Pi power supply with USB Type-C input and Power Delivery (PD) technology with a power of 27 W. It can provide a current with a maximum efficiency of 5...
Index: RPI-23907
Index: RPI-23907
Switch-mode power supply 12V/2,5A - 220V-240V - DC plug 5,5/2,5mm
Stabilized power supply unit. Supply voltage: from 220 V to 240 V AC. Output voltage: 12 V DC. Output current: 2,5 A. Connector: DC 5,5 / 2,5 m plug.
Index: ZAS-05043
Index: ZAS-05043
Power supply justPi USB-C 5,1V / 3A for Raspberry Pi 4B
Switch mode power supply, dedicated for Raspberry Pi 4 minicomputer. It has appropriate parameters needed for optimal power supply of the device. Output voltage is 5.1 V and...
Index: ZAS-14878
Index: ZAS-14878
Power supply Huawei HW-120200E1W 12V/2A - DC plug 5,5/2,1mm
Stabilized mains power supply with a supply voltage of 100 V to 240 V. The output voltage of the power supply is 12 V DC and the output current is 2 A. The power supply has a...
Index: SLA-25661
Index: SLA-25661
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Raspberry Pi 27W USB-C Power Supply - official 5,1V / 5A PSU for Raspberry Pi 5 - white
Official Raspberry Pi USB Type-C power supply with Power Delivery (PD) with a capacity of 27 W. The maximum current efficiency is 5 A at a voltage of 5 V , so it is able...
Index: RPI-23906
Index: RPI-23906
Power supply for Raspberry Pi 4 - USB C 5,1V / 3A - original black
Original , black power supply for the minicomputer Raspberry Pi 4 with USB-C connector . The maximum current efficiency is 3 A.
Index: RPI-14348
Index: RPI-14348
justPi power supply microUSB 5,1V / 3A for Raspberry Pi 3B+/3B/2B/Zero
Power supply with a 1.2 m cable terminated with a microUSB plug. The parameters of the power supply ensure optimal power supply to the Raspberry Pi mini-computer. The output...
Index: ZAS-09707
Index: ZAS-09707
Power supply 12V/2,5 - DC connector 5,5/2,5 mm - white
Stabilized power supply unit. Supply voltage: 200 V to 240 V. Output voltage: 12 V DC. Output current: 2.5 A.
Index: SLA-13912
Index: SLA-13912
Power supply 5V/2,5A - DC plug 5,5/2,5mm
Stabilized mains power supply. Power supply: 110 - 240 V. Output voltage: 5 V DC. Output current: 2.5 A.
Index: ZAS-01364
Index: ZAS-01364
Power supply 5V / 2A - microUSB for Raspberry Pi Zero
Power supply dedicated to power the Raspberry Pi Zero minicomputer . Output voltage is 5 V and current capacity is max. 2 A. The power supply is equipped with a 1.2 m...
Index: ZAS-08849
Index: ZAS-08849
Power supply for Raspberry Pi 3B+/3A+/3B/2B/Zero/Zero 2 - microUSB 5,1V / 2,5A - original white
Original white power adapter created by Raspberry Pi foundation. The power supply is dedicated to power Raspberry Pi 3B+ / 3B / 3A+ / 2B / Zero / Zero 2 minicomputers and...
Index: RPI-20348
Index: RPI-20348
MW Power ER12W12V switching power supply 12V/1A - DC plug 5.5/2.1mm
ER12W12V Switch Mode Power Supply from MW Power. Designed to power equipment with a 5.5 / 2.1 mm plug. The output voltage of the power supply is 12 V and the output current...
Index: WAK-18269
Index: WAK-18269
Power supply 12V/3.8A - DC 5,5/2,1mm plug
Stabilized power supply unit with an output voltage of 12 V and current capacity of 3.8 A. The cable is 2 m long and has a DC 5.5 / 2.5 mm connector. The input voltage is...
Index: SPT-17084
Index: SPT-17084
Power supply Sagemcom NBS36C120250HE 12V/2,5A - DC 5,5/2,1mm plug - black
Switch mode power supply with an output voltage of 12 V and a current capacity of 2,5 A . The input voltage ranges from 200 V to 240 V. The power supply cable is terminated...
Index: SPT-17087
Index: SPT-17087
Power supply 12V/2A - DC 5,5/2,1mm plug
A power supply with an output voltage of 12 V and a current capacity of 2 A . It has a cable terminated with a 5,5 / 2,1 mm DC plug . The input voltage ranges from 200 V...
Index: SPT-17088
Index: SPT-17088
Switching power supply 12V/3A - DC plug 5.5/2.5 mm - black
Stabilized AC adapter. Supply voltage: 200 V to 240 V. Output voltage: 12 V DC. Output current: 3 A. Has a 5.5 / 2.5 mm DC plug.
Index: SPT-13759
Index: SPT-13759
Power supply Samsung A5814-DSM 14V/4,143A - plug DC 5,5/2,5mm
Switching-mode power supply. Supply voltage from 100 V to 240 V / 50 Hz 1,5 AC. Output voltage: 14 V DC. Output current: 4,143 A.
Index: SPL-13687
Index: SPL-13687
Power supply for Raspberry Pi 4 - USB C 5,1V / 3A - original white
Original , white power supply for the minicomputer Raspberry Pi 4 with USB-C connector . The maximum current efficiency is 3 A.
Index: RPI-14488
Index: RPI-14488
Power supply Liteon 12V/3A - DC 5,5/2,1mm plug - with cable
A stabilized desktop power supply unit with a figure-eight power cord. The output voltage is 12 V , while the current capacity is 4,17 A . The cable is terminated with a DC...
Index: SPT-17085
Index: SPT-17085
Argon40 27W USB C - 5.1V/5A power supply for Raspberry Pi 5 - white
A modern Argon40 power supply equipped with a USB Type-C plug, designed especially for Raspberry Pi 5 , ensuring maximum overclocking efficiency and support for additional...
Index: ARG-24846
Index: ARG-24846
See also
We know very well that choosing an AC adapter is quite a complicated task. Certainly, in order to choose the best design, there are many products to be familiarized with. You also need to know the technical requirements for the type of terminals, voltage and charging current of such a power supply.
For the above reasons, we have placed a filter on the Botland store website that allows you to conveniently narrow down the search criteria and facilitate the purchase process. What is more, the products offered here are safe and reliable, meet the requirements of EU standards, do not break down quickly and - if properly selected - will not damage the powered device. We invite you to familiarize yourself with the products available in this category. Choose the best power supply for your project now.
How to choose power supplies? The most important parameters
Each electrical and electronic device requires an appropriate power supply. You cannot use any power supply for a computer or electronic project, because this may lead to dangerous consequences (in extreme situations, even burning of individual parts). Therefore, you should select an AC adapter based on the following important technical parameters:
- the power supply must have a suitable terminal allowing to connect the device to a given component,
- the device should supply current and output voltage with the values specified by the manufacturer of the device or component,
- a good power supply must stabilize the voltage and output current values with sufficient accuracy,
- such a device must also isolate the output signals from the mains voltage due to the possibility of sudden voltage spikes in the mains and noise.
After all, an AC adapter is a device that, above all, must be safe. Therefore, it should provide safety and protection against electric shock. So let's check the manufacturer's information on security, certificates and standards.
What are the types of AC adapters?
In the Botland electronics store you will find many types of AC adapters. The most popular types of these devices include: linear power supplies, switching power supplies, induction chargers, charging strips (USB), travel power supplies with interchangeable plugs that fit into the wall sockets used in the USA, EU, UK and AU, adapters with car lighter sockets and voltage stabilizers and chargers for gel batteries.
It is worth paying attention to the fact that the power supplies are equipped with DC plugs (of various sizes and with different current and output voltage values), USB sockets (USB 3.0 A, USB 2.0 A type), USB A or C type outputs (microUSB), cables with removed insulation for powering electronic components and systems, crocodile clips. What is more, the Botland store also offers multi-range power supplies with adjustable output voltage in the range from 3 V to 12 V, constant output current, equipped with replaceable DC tips.
On this page you will also find specialized power adapters dedicated to various models of Raspberry Pi, Banana Pi, Pine 64, Sparky and Odroid minicomputers as well as Apple devices. Thanks to such products, creating your own electronic designs that require AC adapters will be completely safe.
We know that the most important thing is safety
When preparing the offer of AC adapters in the Botland store, we tried to ensure the safety of users and devices. Therefore, the power supplies (AC adapters) we offer meet the highest requirements of the standards being in force in the European Union. The most important of them are:
- the standard is PN-EN 60950: 2002: equipment safety
- PN-EN 61000-3-2 standard: Electromagnetic Compatibility (EMC)
- emission standard for residential, commercial and light industrial environments
- the PN-EN 50561 standard, which defines the permissible levels and methods for measuring radioelectric disturbances
- PN-EN 50082-1, PN EN 61000-4-2 standards defining resistance to electrostatic discharge
- low voltage standard (LVD).
When buying in the Botland store, you choose only 100% safe and certified devices.