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)
 
€7,79
(€6,44 excl. VAT)

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18 items total

List of products

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 5,0 out of 5 stars.
In stock (51 pcs)
€4,04 excl. VAT
€4,89

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
9012 buck boost zk 4kx regulovatelny menic 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 (91 pcs)
€11,93 excl. VAT
€14,43

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

LA122044
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 (116 pcs)
€0,62 excl. VAT
€0,75

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

LA123043
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 (24 pcs)
€63,32 excl. VAT
€76,62

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

LA121071
Mikro step-down měnič, nastavitelný
Micro step-down converter, adjustable
The average product rating is 5,0 out of 5 stars.
In stock (6 pcs)
€0,96 excl. VAT
€1,16

Micro step-down DC-DC converter with adjustable output.

LA122017
3266 1 mini smd step down regulovatelny menic
Mini SMD step-down adjustable converter
The average product rating is 5,0 out of 5 stars.
In stock (146 pcs)
€0,96 excl. VAT
€1,16

Micro step-down DC-DC converter with adjustable output.

LA122016R
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 (196 pcs)
€1,10 excl. VAT
€1,33

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 (95 pcs)
€0,96 excl. VAT
€1,16

MINI-360 step-down converter MP1484, adjustable

LA122011
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)
€44,13 excl. VAT
€53,40

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
€45,50 excl. VAT
€55,06

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 (2 pcs)
€98,27 excl. VAT
€118,91

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

LA122054
LaskaKit riden rd6012 1
€143,84 excl. VAT
€174,05

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
€54,75 excl. VAT
€66,25

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 (18 pcs)
€12,61 excl. VAT
€15,26

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

LA122001
LaskaKit step down menic 9 16v 10a 1
€4,04 excl. VAT
€4,89

Compact step-down (buck) DC-DC converter designed to reduce voltage from the range of 9–16 V to a fixed stabilized output voltage. The module is mounted on an aluminum PCB for...

LA122089A
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 (54 pcs)
€1,64 excl. VAT
€1,99

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

LA122002
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.
€6,79 excl. VAT
€8,21

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

LA122033
Step-down regulovatelný napájecí měnič 0-16V 2A, LCD Display
Step-down adjustable power converter 0-16V 2A, LCD Display
The average product rating is 4,0 out of 5 stars.
Retrieved from
€6,44 excl. VAT
€7,79

Step-down DC-DC converter with LCD display for information and acrylic box.

LA122010

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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