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

Holder for 18650 batteries
In stock (625 pcs)
LA123025A
 
from €0,12
(from €0,10 excl. VAT)
 
€0,74
(€0,61 excl. VAT)
Step-down converter with LM2596
In stock (235 pcs)
LA122003
 
€1,48
(€1,22 excl. VAT)

Product sorting

17 items total

List of products

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.
In stock (19 pcs)
€6,73 excl. VAT
€8,14

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

LA122033
Buck-Boost ZK-4KX adjustable inverter 0.5-30V 4A
Buck-Boost ZK-4KX adjustable inverter 0.5-30V 4A
The average product rating is 4,9 out of 5 stars.
In stock (81 pcs)
€11,82 excl. VAT
€14,30

Buck-Boost regulated inverter ZK-4KX 0.5-30V 4A. Voltage and current regulation!

LA122044
3590 4 longwei lw k3010d laboratorni zdroj 30v 10a
LONGWEI LW-K3010D Laboratory power supply 30V/10A
The average product rating is 5,0 out of 5 stars.
In stock (16 pcs)
€62,76 excl. VAT
€75,94

Laboratory power supply with adjustable output voltage and current and a seven-segment display to show values.

LA121071
RuiDeng DPS3005 DIY laboratorní zdroj 0-32V, 0-5A
RIDEN DPS3005 DIY laboratory power supply 0-32V, 0-5A
The average product rating is 5,0 out of 5 stars.
In stock (4 pcs)
€43,74 excl. VAT
€52,93

DC voltage converter for creating DIY lab power supply with usb and bluetooth connection.

LA122030
LaskaKit ruideng dps5005 diy laboratorni zdroj 0 50v 0 5a 1 2
€45,10 excl. VAT
€54,57

DC voltage converter for creating DIY lab power supply with usb and bluetooth connection.

LA122055
LaskaKit riden rd6012 1
RIDEN RD6012-W DIY laboratory power supply 0-60V, 0-12A WiFi
The average product rating is 4,0 out of 5 stars.
In stock (1 pcs)
€97,40 excl. VAT
€117,86

DC voltage converter for creating DIY lab power supply with usb and bluetooth connection.

LA122054
LaskaKit riden rd6012 1
€142,57 excl. VAT
€172,51

DC voltage converter for creating DIY lab power supply with usb and bluetooth connection.

LA122064
LaskaKit riden rk6006 bt modulovy napajeci 230v ac dc zdroj 60v 6a 360w 2
€54,27 excl. VAT
€65,67

RIDEN RK6006-BT is a powerful, accurate and affordable programmable laboratory power supply with an output voltage of up to 60 V and a current of up to 6 A. Ideal for electronic...

LA122028
Step-down regulovatelný měnič DP30V5A-L 0-32V, 0-5,1A
Step-down adjustable inverter DP30V5A-L 0-32V, 0-5.1A
The average product rating is 5,0 out of 5 stars.
In stock (4 pcs)
€12,50 excl. VAT
€15,12

Step-down DC-DC converter with voltage and current regulator and seven-segment LED display.

LA122001
Step-down měnič 0-32V, 9A, 280W
Step-down converter 0-32V, 9A, 280W, CC/CV
The average product rating is 4,7 out of 5 stars.
In stock (9 pcs)
€4,69 excl. VAT
€5,67

Adjustable step-down converter with integrated cooling and adjustable maximum current up to 9A.

LA122012C
Step-down converter with LM2596 CC/CV
Step-down converter with LM2596 CC/CV
The average product rating is 1,0 out of 5 stars.
In stock (36 pcs)
€2,31 excl. VAT
€2,79

Step-down converter with LM2596 CC/CV

LA122038
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 (55 pcs)
€2,65 excl. VAT
€3,21

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

LA122013
LaskaKit DSC 5124
€1,97 excl. VAT
€2,38

The LaskaKit TPS61169 Boost LED driver module is a switching DC-DC converter designed to power LED diodes with a constant current. It uses the TPS61169 chip, which allows...

LA122090
Repaired Buck-Boost ZK-4KX adjustable converter 0.5-30V 4A
€10,64 excl. VAT
€12,87

Buck-Boost regulated inverter ZK-4KX 0.5-30V 4A. Voltage and current regulation! Repaired units.

X310010
Step-down converter 1.2-36V, 20A, 300W, CC/CV
Step-down converter 1.2-36V, 20A, 300W, CC/CV
The average product rating is 5,0 out of 5 stars.
Currently not available
€5,36 excl. VAT
€6,49

Step-down converter 1,2-36V, 20A, 300W, CC/CV

LA122042
Step-up boost měnič CC/CV 10-50V, 8A, 250W
Step-up boost converter CC/CV 10-50V, 8A, 250W
The average product rating is 3,8 out of 5 stars.
Currently not available
€3,33 excl. VAT
€4,03

Step-up DC-DC converter with the ability to set both voltage and maximum current.

LA122020
Step-up boost converter CC/CV 10-60V, 20A, 1200W /DC-DC charger
Step-up boost converter CC/CV 10-60V, 20A, 1200W /DC-DC charger
The average product rating is 5,0 out of 5 stars.
Currently not available
€11,48 excl. VAT
€13,89

Step-up boost converter CC/CV 10-60V, 20A, 1200W /DC-DC charger

LA122043

Listing controls

17 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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