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

 
€0,75
(€0,62 excl. VAT)
Holder for 18650 batteries
In stock (528 pcs)
LA123025A
 
from €0,12
(from €0,10 excl. VAT)
 
€7,78
(€6,43 excl. VAT)

Product sorting

18 items total

List of products

laskakit ap63300 step down menic 5 5 32v 5v 3a 1
LaskaKit AP63300 Step-down converter 5.5-32V 5V/3A
The average product rating is 3,0 out of 5 stars.
In stock (230 pcs)
€1,64 excl. VAT
€1,99

Looking for a reliable step-down converter for stable 5V power supply? LaskaKit AP 63300 is a great choice! This efficientDC-DC converter can handle input voltage 5.5V to 32V...

LA122071
qc
Module for fast charging of mobile devices, USB-A, USB-C
The average product rating is 4,7 out of 5 stars.
In stock (117 pcs)
€3,36 excl. VAT
€4,06

Mobile Fast Charging Module, USB-A, USB-C

LA123097
4760 step down menic 5 2v 8a 4xusb qs 1205cbum 8a
Step-down converter 5.2V 8A 4xUSB QS-1205CBUM-8A
The average product rating is 5,0 out of 5 stars.
In stock (33 pcs)
€5,40 excl. VAT
€6,54

Step-down converter from 8-35V to 5.2V, maximum current 8A with four USB connectors for charging mobile devices.

LA122034
menic 5v 1
Step-down converter 5V 5A TPS40057
The average product rating is 4,4 out of 5 stars.
In stock (42 pcs)
€3,36 excl. VAT
€4,06

Step-down converter from 9-35V to 5V, maximum current 5A with TPS40057 chip

LA122032
XY 3606
Step-down converter 5V 6A, USB-A
The average product rating is 3,0 out of 5 stars.
In stock (96 pcs)
€1,98 excl. VAT
€2,40

Step-down converter 5V 6A with integrated USB-A output connector.

LA122036
Step-down měnič s LM2596
Step-down converter with LM2596
The average product rating is 4,9 out of 5 stars.
In stock (412 pcs)
€1,23 excl. VAT
€1,49

Step-down converter with LM2596 chip, adjustable output and maximum output voltage 33V.

LA122003
7326 step down menic s lm2596 cc cv
Step-down converter with LM2596 CC/CV
The average product rating is 1,0 out of 5 stars.
In stock (38 pcs)
€2,32 excl. VAT
€2,81

Step-down converter with LM2596 CC/CV

LA122038
152 3 step down menic s lm2596 s led displejem
Step-down converter with LM2596 with LED display
The average product rating is 5,0 out of 5 stars.
In stock (89 pcs)
€3,36 excl. VAT
€4,06

Step-down converter with LM2596 chip, adjustable output, LED seven-segment display and maximum output voltage 37V.

LA122006
LaskaKit step down menic s tps5450 2
Step-down converter with TPS5450 adjustable symmetrical voltage source
The average product rating is 5,0 out of 5 stars.
In stock (6 pcs)
€11,22 excl. VAT
€13,58

Step-down converter with symmetrical output voltage from ±1.3 to ±16V

LA122049
140 1 step down menic s xl4005
Step-down converter with XL4005
The average product rating is 5,0 out of 5 stars.
In stock (56 pcs)
€1,64 excl. VAT
€1,99

Step-down converter with XL4005 chip, adjustable output and maximum output voltage 24V.

LA122002
1367 step down menic s xl4015
Step-down converter with XL4015
The average product rating is 5,0 out of 5 stars.
In stock (96 pcs)
€1,50 excl. VAT
€1,82

Step-down DC-DC converter with XL4015 chip and adjustable output voltage.

LA122018
983 2 step down menic s xl4015 cc cv
Step-down converter with XL4015, CC/CV
The average product rating is 5,0 out of 5 stars.
In stock (119 pcs)
€2,67 excl. VAT
€3,23

Step-down DC-DC converter with XL4015 chip and the ability to set the maximum current.

LA122013
1892 1 step down menic s xl4016e1
Step-down converter with XL4016E1
The average product rating is 5,0 out of 5 stars.
In stock (50 pcs)
€2,19 excl. VAT
€2,65

Step-down DC-DC converter with XL4016E1 chip and adjustable output.

LA122021
9653 step up boost menic 12 35v 6a 150w
Step-up boost converter 12-35V, 6A, 150W
The average product rating is 1,0 out of 5 stars.
In stock (23 pcs)
€2,67 excl. VAT
€3,23

Step-up boost converter 12-35V, 6A, 150W

LA122045
LaskaKit step up boost menic s lm2577 5 56v 3a 1
Step-up boost converter with LM2577 5-56V 3A
The average product rating is 5,0 out of 5 stars.
In stock (168 pcs)
€3,36 excl. VAT
€4,06

Step-up (Boost) voltage module with LM2577 chip is an excellent solution for adjusting and boosting DC voltage in the range of 5 V to 56 V, which is easily set by trimmer....

LA122063
611 step up boost menic s xl6009 modra
Step-up boost converter with XL6009, blue
The average product rating is 3,8 out of 5 stars.
In stock (122 pcs)
€1,54 excl. VAT
€1,86

Step-up boost converter with XL6009 chip capable of boosting voltage up to 35V with load at 3A on blue PCB.

LA122007
614 step up boost menic s xl6009 cervena
Step-up boost converter with XL6009, red
The average product rating is 5,0 out of 5 stars.
In stock (43 pcs)
€2,67 excl. VAT
€3,23

Step-up boost converter with XL6009 chip capable of boosting voltage up to 35V with load at 3A on red PCB.

LA122008
5A DC 6 35V 1 35V Auto Boost Buck Step Up Down Converter M 1
Buck-boost CC/CV adjustable power converter 1-35V 5A
The average product rating is 5,0 out of 5 stars.
Will stock on 31.8.
€6,78 excl. VAT
€8,20

Automatic buck-boost regulated power converter 1 - 35V 5A with adjustable constant current mode

LA122033

Listing controls

18 items total

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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