Power Supply and Voltage Source

No electrical device will work without electric energy, that´s no-brainer, however, you need to supply the right voltage. That is something a voltage source can help you with.

To set the record straight, a voltage source does not actually supply the the energy itself (except for a battery), it rather converts the energy. Generally speaking, the input energy entering a voltage source equals the output energy (with some losse), while altering the ratio between voltage and current.

Bestsellers

GA-0502000V Mains power adapter 5V/2A USB
In stock (90 pcs)
LA121084W
 
€3,62
(€2,99 excl. VAT)
 
€0,74
(€0,61 excl. VAT)
Step-down converter with LM2596
In stock (67 pcs)
LA122003
 
€1,48
(€1,22 excl. VAT)

Product sorting

52 items total

List of products

12v
AILI ACDC03 power supply 230V AC-DC source 12V/1A, isolated
The average product rating is 5,0 out of 5 stars.
In stock (56 pcs)
€2,31 excl. VAT
€2,79

AILI ACDC03 230V AC-DC power supply 12V/1A, isolated

LA121079B
5V
AILI ACDC03 power supply 230V AC-DC source 5V/2A, isolated
The average product rating is 5,0 out of 5 stars.
In stock (23 pcs)
€2,31 excl. VAT
€2,79

AILI ACDC03 230V AC-DC power supply 5V/2A, isolated

LA121079A
LaskaKit automaticky buck boost tps63020 napajeci menic 1 8 5 5v 2a 1
Meshtastic
Automatic Buck-Boost TPS63020 power converter 1.8-5.5V 2A
The average product rating is 4,5 out of 5 stars.
In stock (91 pcs)
€4,01 excl. VAT
€4,85

The TPS63020 is an automatic buck-boost (step-up/step-down) voltage converter designed for applications that require stable output voltage even with variable input voltage. This...

LA122069A
LaskaKit step down menic 5 10v 5v 1 5a usb a 1
€5,36 excl. VAT
€6,49

Step-down converter 5-10V 5V/1.5A with USB-A connector and cable . Watertight.

LA122052
GA-0502000V Síťový napájecí adaptér 5V/2A USB (Barva Černá)
GA-0502000V Mains power adapter 5V/2A USB
The average product rating is 4,7 out of 5 stars.
In stock (90 pcs)
€2,99 excl. VAT
€3,62

GA-0502000V Power adapter 5V/2A USB

LA121084W
laskakit tps62a02 step down menic 4 0 5 5v 3 3v 2a 1
LaskaKit TPS62A02 Step-down converter 4.0-5.5V 3.3V/2A
The average product rating is 5,0 out of 5 stars.
In stock (530 pcs)
€1,63 excl. VAT
€1,97

This compact and efficient step-down converter is based on the TPS62A 02 chip, which allows to reduce voltage from 4.0–5.5V to a stable 3.3V with a current of up to 2A ....

LA122048A
LaskaKit xc6220 modul stabilizatoru s low iq 3 4 6v 3 3v 1a 3
€1,97 excl. VAT
€2,38

A small module with an LDO voltage regulator based on the XC6220B circuit, designed for stabilisation at a fixed output voltage of 3.3 V. The module is designed with a large...

LA122029
LaskaKit led zdroj qy jdfs 230vac 12vdc 12w ip67
€6,04 excl. VAT
€7,31

This LED power supply is a reliable and compact power solution for low voltage LED lighting.

LA121007A
LaskaKit led zdroj qy jdfs12v24w 230vac 12vdc 24w ip67
€7,07 excl. VAT
€8,55

This LED power supply is a reliable and compact power solution for low voltage LED lighting.

LA121007B
Nabíječka Li-ion článku TP4056 + boost MT3608
Li-ion cell charger TP4056 + boost MT3608
The average product rating is 4,8 out of 5 stars.
In stock (55 pcs)
€0,61 excl. VAT
€0,74

Combination of Li-ion cell charger with TP4056 chip and step-up converter with adjustable output voltage.

LA123043
5742 2 lyonzg s 25 12 modulovy napajeci 230v ac dc zdroj 12v 2a 25w
LYONZG S-25-12 module power supply 230V AC-DC source 12V/2A 25W
The average product rating is 5,0 out of 5 stars.
In stock (8 pcs)
€7,74 excl. VAT
€9,37

LYONZG S-25-12 module power supply 230V AC-DC source 12V/2A 25W

LA121000G
5769 3 lyonzg s 50 24 modulovy napajeci 230v ac dc zdroj 24v 2a 50w
LYONZG S-50-24 module power supply 230V AC-DC source 24V/2A 50W
The average product rating is 5,0 out of 5 stars.
In stock (4 pcs)
€10,79 excl. VAT
€13,06

LYONZG S-50-24 module power supply 230V AC-DC source 24V/2A 50W

LA121000N
12V 3A
Mains power adapter 12V/3A 5.5/2.1mm
The average product rating is 5,0 out of 5 stars.
In stock (171 pcs)
€6,72 excl. VAT
€8,13

Power adapter mains 3000mA 5,5/2,1 mm voltage 12V

LA121073
12V 3A
Mains power adapter 24V/1A 5.5/2.1mm
The average product rating is 5,0 out of 5 stars.
In stock (23 pcs)
€4,35 excl. VAT
€5,26

Power supply adapter 1000mA 5,5/2,1 mm voltage 24V

LA121080
Mini SMD step-down měnič 3.3V
Mini SMD step-down converter 1.8A, 3.3V / 5V / adjustable
The average product rating is 5,0 out of 5 stars.
In stock (119 pcs)
€1,19 excl. VAT
€1,44

Miniature SMD DC-DC step-down converter with an output current of up to 1.8 A, available in fixed 3.3 V and 5 V output versions, or with an adjustable output of 0.8–23 V.

LA122016A
Mini step-down měnič s MP1584EN
Mini step-down converter with MP1584EN
The average product rating is 4,6 out of 5 stars.
In stock (13 pcs)
€1,08 excl. VAT
€1,31

Step-down converter with MP1584EN chip, adjustable output, maximum output voltage 20V and miniature size.

LA122004
5691 3 mini 360 step down menic mp1484 nastavitelny
MINI-360 step-down converter MP1484, adjustable
The average product rating is 4,0 out of 5 stars.
In stock (26 pcs)
€0,95 excl. VAT
€1,15

MINI-360 step-down converter MP1484, adjustable

LA122011
LaskaKit OMCH DR 15 d
OMCH DR-15-12 modular power supply 230V AC-DC source on DIN 12V/1.25A 15W
The average product rating is 5,0 out of 5 stars.
In stock (12 pcs)
€10,12 excl. VAT
€12,24

Encapsulated modular DIN rail power supply suitable not only for industrial applications.

LA121004D
LaskaKit OMCH DR 30 45 60
€13,17 excl. VAT
€15,94

Encapsulated modular DIN rail power supply suitable not only for industrial applications.

LA121004E
LaskaKit OMCH DR 30 45 60
€13,51 excl. VAT
€16,35

Encapsulated modular DIN rail power supply suitable not only for industrial applications.

LA121004I
LaskaKit OMCH DR 30 45 60
€13,51 excl. VAT
€16,35

Encapsulated modular DIN rail power supply suitable not only for industrial applications.

LA121004J
LaskaKit OMCH DR 30 45 60
€14,19 excl. VAT
€17,17

Encapsulated modular DIN rail power supply suitable not only for industrial applications.

LA121004K
LaskaKit poe pasivni injector splitter rj45 48v dc konektor 1
€0,95 excl. VAT
€1,15

The PoE passive injector/splitter RJ45 with a 5–48 V DC design is a simple kit for supplying power to an Ethernet cable (injector) and subsequently separating it at the device...

LA122081M
poe usb c 1
€10,12 excl. VAT
€12,24

Active PoE splitter 5V/2.4A, USB-C

LA122024A

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52 items total
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AC-DC power supplies use AC current as input voltage, mostly from the mains, and DC voltage as output. DC power connectors allow you to safely connect these power supplies to your devices. For higher voltages, you can use 12V power adapter, 24V power adapter or a 12V mains adapter.

LDO controllers, Step-Up Converters a Step-Down Converters operate only with DC voltage.

Batteries and accumulators store electrical energy in chemical reactions based on oxidation-reduction potential. In case you plan to use a battery such as Li-ION 18650 or 3.7V Li-ION battery, it's a good idea to also buy a dedicated charger and protection. Battery protection ensures safe operation and long life. For proper charging, use the guide on How to charge Li-ION batteries a how to properly charge a Li-POL battery.

If you are using CR2032 lithium battery, it is also important to have the right connector, such as 9V battery connector.

Solar battery charger is a great solution for eco-friendly power supply. USB connector a USB C adapter again you will need for connecting and powering modern devices. Mini USB charger a 2A charger are also useful for fast and efficient charging.

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