il bisogno di scrivere questo post nasce dalla mia necessità di fornire carica elettrica a tutti quei dispositivi che mi servono in giro ma per via della presa di ricarica non mi danno modo di poter ricaricare i miei dispositivi con strumenti tipo power bank o cose simili.
esempio :ho preso una cassa speacker portatile per ascoltare musica in luoghi come mare o montagna lontano da ogni fonte di corrente elettrica domestica,il suo dock di ricarica è un piccolo spinotto rotondo da 5.5 mm che ricarica la cassa per via di un trasformatore che trasforma l'energia elettrica da 220v a 12v quindi senza di quel caricatore niente ricarica per via di altri mezzi =(….
però ho trovato su AMAZON un articolo davvero molto utile che mi consente di ricaricare questi dispositivi anche con stazioni di ricarica portatile in quanto avendo l'entrata usb
link del prodotto :https://rcm-eu.amazon-adsystem.com/e/cm?ref=qf_sp_asin_til&t=luck93-21&m=amazon&o=29&p=8&l=as1&IS1=1&asins=B07MH9L57Q&linkId=01e1433a60f39067bbc3288a14d101e3&bc1=FFFFFF<1=_top&fc1=333333&lc1=0066C0&bg1=FFFFFF&f=ifr
Descrizione prodotto
Features:
3.5mm interface is better, stable, consistent with smartphone headset hole size.
The utility model is suitable for supplying power to routers, light cats and other devices by power bank USB interface
Product interface: USB to DC3.5mm/USB to DC5.5mm
DC3.5mm interface specification: outer diameter 3.5mm, inner diameter 1.35mm
DC5.5mm interface specification: outer diameter 5.5mm, inner diameter 2.1mm
Plug level: internal "+" and external "-"
The difference between the three lines:
5V: simple power line, USB input 5V, power DC plug output 5V.
9V step-up line:with step-up components, the USB input 5V voltage step-up to 9V through the components , less than 2A.
12V: with step-up components, the USB input 5V voltage step-up to 12V through the components , less than 1.5A.
Specifications:
Material: plastic and electronic component
Color:black
Size:67*24*15mm
Cable length:1m
Model: KWS-912V
Interface properties：USB to DC round hole
Voltage input: 5V
Voltage Output: 9V/12V
Max Output current:9V 2A,12V 1.5A
Package Included:
1 x USB multifunction tester
1 x 3.5*1.35 adapter
Warm tip：
(1) 9V/12V step-up line USB power supply port, please do not connect to computer USB port.
(2) 9V/12V step-up line current output is less than 2A. If your router / light cat current is more than 2A, it cannot be used.
3.5mm interface is better, stable, consistent with smartphone headset hole size.
The utility model is suitable for supplying power to routers, light cats and other devices by power bank USB interface
Product interface: USB to DC3.5mm/USB to DC5.5mm
DC3.5mm interface specification: outer diameter 3.5mm, inner diameter 1.35mm
DC5.5mm interface specification: outer diameter 5.5mm, inner diameter 2.1mm
Plug level: internal "+" and external "-"
The difference between the three lines:
5V: simple power line, USB input 5V, power DC plug output 5V.
9V step-up line:with step-up components, the USB input 5V voltage step-up to 9V through the components , less than 2A.
12V: with step-up components, the USB input 5V voltage step-up to 12V through the components , less than 1.5A.
Specifications:
Material: plastic and electronic component
Color:black
Size:67*24*15mm
Cable length:1m
Model: KWS-912V
Interface properties：USB to DC round hole
Voltage input: 5V
Voltage Output: 9V/12V
Max Output current:9V 2A,12V 1.5A
Package Included:
1 x USB multifunction tester
1 x 3.5*1.35 adapter
Warm tip：
(1) 9V/12V step-up line USB power supply port, please do not connect to computer USB port.
(2) 9V/12V step-up line current output is less than 2A. If your router / light cat current is more than 2A, it cannot be used.
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