Output port: DC5.5-2.1 + USB. Audiophile filter capacitors ensure high conversion efficiency and very low ripple coefficient. - Aluminum alloy precision CNC sandblasting process shell, exquisite and fashionable.
eBay
1pcs led Dimming Lighting Bulb 0.3W 5V Retro Edison Source USB Mobile Power Interface Light Night Light Power Bank Laptop White
Aliexpress UK
DC5V 7V 9V 12V 15V 16V 18V 24V For choose. High speed low resistance HIFI electrolytic capacitor. Very low noise TL431 with excellent performance. Output DC cable plug type: default 5.5 2.5mm (Polarity: Internal + / outside - ) （ pin 1 + / pin 2 - ）.
eBay
ALLPOWERS R2500 Portable Power Station 1920Wh LiFePO4 Battery 2500W Emergency Household Outdoor Power Supply for RV Travel
Aliexpress UK
When outputting 4-5A, a certain temperature will be generated, which is normal. Customized output: 5V, 7V, 9V, 12V, 15V, 24V, etc. Maximum current can be 8A. When load power is large, there is a certain temperature.
eBay
EDUP Exclusive Starlink Mini SK0115 95W SPX Mini Portable Power Supply Portable Battery Power Bank With Long Stable Working Time
Aliexpress UK
Murata Power Solutions OKI-78SR-5/1.5-W36-C 7V Linear Regulator Power Supply
eBay
ALLPOWERS R2500 Portable Power Station 2016Wh Expandable to 20kWh LFP Battery 2500W Emergency Household / Outdoor Power Supply
Aliexpress UK
It can also be used to upgrade your device. 20000mAh lithium batteries for Panasonic are used. It features good battery stability performance. - Turn off input and output switches when it is not in use;.
eBay
ALLPOWERS R2500 Portable Power Station 1920Wh Expandable to 20kWh LFP Battery 2500W Emergency Household Outdoor Power Supply
Aliexpress UK
This is your Chance to Purchase this Brand New EU Mains AC-AC Linear Adaptor Power Supply as listed in the Title. The Technical Specifications are as follows - Input : 230v ac 50 Hz 11W Output: 12V 500mA 6VA EU Plug to DC Plug 5.5mm x 2.1mm.
eBay
120W 7-14M Linear RF Power Amplifier Automatic Transceiver Switch High Frequency Amateur Radio Short wave RFID SSB AM CW HF Ham
Aliexpress UK
(Use all aluminum chassis. we also can provide 5.5 2.1mm or other size) NOTE: The AC input cable is not included by default. if need silver front ，pls add a note when order it. Silver Front ：.
eBay
45W 70Mhz-200Mhz FM VHF RF Power Amplifier KITS 45W ClassAB Linear Amplifiers HAM Radio Walkie-talkie Transceiver Transmitter
Aliexpress UK
eBay
3.5-30MHz 70W RF Power Amplifier ShortWave Linear RF AMP KITS FOR YAESU FT-817 KX3 SSB SW AM CW FM Radio Station Short Wave Ham
Aliexpress UK