Doesn't do primary function-no power out. When you are unable to adjust the current, it may be because you do not have access to the electronic load. You can turn on an electronic load or form a short connection and then adjust it.
eBay
DC-022B 3A 12v for DC Power Supply Jack Socket Female Panel Mount Connector 5.5 mm x 2.1mm 5.5 mm x 2.5mm DC022B Connector ibuw
Aliexpress UK
Module properties: non-isolated step-up module (BOOST). Type :400W boost constant current module. Then adjust "CC-ADJ" clockwise to the current value you need. Because if the more energy is left in battery, the less charging current will be.
eBay
【WG】AC220V To DC 5V/1A 12V/5W AL0505F Waterproof Epoxy Potting Light Power Supply Isolation Switch Driver AC To DC Converter
Aliexpress UK
Output Current: 0A-8.1A. Energy: 0-999999WH. Output Power: 0-400W. Current Accuracy: +0.5%+3 digits. Typical Output Ripple: Vpp-150mv. Current Resolution: 0.001A. Capacity: 0-999999AH. Oil Catch Can Kit Breather Baffled Reservoir Tank 300ML Aluminum Hose Universal.
eBay
1pcs 7.5V 1A High quality AC 100V-240V Converter Switching power adapter DC 7.5V 1A 1000mA Supply EU Plug DC 5.5mm x 2.1mm
Aliexpress UK
Adjusted between 0 and nominal value with fine regulating and coarse regulating. Output Power. Load stability： 0.2%±3mV. Constant pressure and constant current switch automatically. Output current. Load stability： 0.2%±3mA.
eBay
DC Power Supply Unit 12V 24V 60W 100W 200W 300W 400W 110V 220V 230V AC to 12 24 Volt DC LED Strip Driver Lighting Transformer
Aliexpress UK
DC Power Supply Variable, 30V 6A 10A Adjustable Switching Regulated DC Bench Linear Power Supply with 4-Digits LED Power Display , Coarse and Fine Adjustments with Alligator Leads Features: 1, With more extensive range of input voltage at 230V±10% 50Hz （Can be customized to 115V±10 60Hz） 2, With high frequency operation can reduce the size of power transformer. 3, With small size, light weight and high density power. 4, Entire efficiency rate higher up to 70%. 5, Zero adjustment for the output of voltage and current. Parameter Specification Operation Environment : Indoor use,Altitude up to 2000m, Installation Category II, Pollution degree 2. Operation Temperature &Humidity : 0℃to 40℃, <80%. Storage Temperature & Humidity : -10℃to 70℃, <70%.
eBay
DC-DC 9V 12V 24V 36V To 5V Step Down Board 5A 4 USB Output Buck Converter Power Supply Module with Aluminum Shell For Phones
Aliexpress UK
Power：30W. This adapter output is 3V/4.5V/5V/6V/7.5V/9V/12V. This 6 adapters in1, which can largely save your space and the one can replace a lot adapters. Equipped with 6 adapter plugs, the different size will fit for your appliances well, and solve your various problems.
eBay
AC TO DC 12V 15v 16v 18v 19v 24VAdjustable Universal Power supply Charger Adapter 96W DC converter For pc Laptops Eu US uk AU t1
Aliexpress UK
Item Type: Adjustable Power Adapter. The power adapter's maximum current is 5A and with high power, it is very practical. 1 x Adjustable Power Adapter. The power adapter is made of enginering plastic, and it is very anti‑aging and anti‑friction.
eBay
AC 100-240V to DC 3V 6V 9V 12V 1A 1000MA Universal AC / DC adapter charger Switch power supply Reverse polarity US EU AU UK Plug
Aliexpress UK
1x Adjustable Power Adapter (EU). DC 3-12V 5A. DC 3-24V 2A. DC 9-24V 3A. DC 3-12v 2A. DC 3-24V 3A. DC 1-24V 2A. Ouput: can be adjustable for choose.
eBay
AC 110V - 220V to DC 5V 12V 24V Power Supply Charger Adapter 1A 2A 3A 5A 6A 8A 10A Transformer Converter For DC Female LED Strip
Aliexpress UK