Описание

3A 5V DC Power Supply for Communication Maintenance with Short Circuit Protection

Features:
This communication maintenance power supply is specially designed for mobile phone maintenance needs. It uses the best short circuit protection and automatic recovery circuit, supporting fast protection. It will automatic recovery output within one second after trouble clearing, practical to use. With USB output interface, this power supply can charge for your mobile phone, convenient to use. Portable DC power supply for communication maintenance with pointer display, easy to use. Easy to operate, it can charge for mobile phone while the ammeter shows the charging current value.
Specification:
Condition: 100% Brand New
Material: Plastic
Model: 503D
Use: Power Supply for Communication Maintenance
Output Voltage: DC 5.0V
Output Current: 2A/3A USB=2A/3A
Working Condition: -10℃ - 40℃
Storage Condition: -20℃ - 80℃
Plug Type: EU Plug 220V, US Plug 110V, AU Plug 220V (optional)
Product Size: Approx. 7.3 x 6.8 x 9.8 cm / 2.9 x 2.7 x 3.9 in
Weight: Approx. 365g / 12.9 oz

Operation Method:
1. Plug in the power plug and set the switch to the ON position, the LED light is on.
2. The connection line on the voltage output can supply power to the mobile phone. At the same time, the ammeter enters the working state, and the pointer swing bit is the output current value.
3. Insert the data cable on the USB interface to charge the mobile phone, how much charging current, the current meter synchronously shows the current value.

Package List:
1 x DC Power Supply
1 x User Manual
1 x Power Cord

Note:
1. Do not use in an environment where the ambient temperature is greater than 40℃ or the relative humidity is greater than 90%.
2. The vent hole and the rear of the instrument should have enough space behind the box to facilitate heat dissipation.
3. If the fuse is blown, the unit stops working and the fuse must be replaced by the original model after finding the cause of the blown fuse.
4. The machine has been precisely adjusted before leaving the factory, do not arbitrarily adjust the internal circuit parameters, so as not to affect the accuracy.

If you are satisfied with our products, Pls give us 5 Stars

Your satisfaction and positive feedback is very important to us. Please leave positive feedback and 5 stars if you are satisfied with our items and services. If you have any problems with our items or services, please feel free to contact us first before you leave negative feedback. We will do our best to solve any problem and provide you with the best customer services. We will give you a positive feedback after receiving the payment. If you are unsatisfied with your items, please contact our Customer Service.

We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important We request that you contact us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns.

It is impossible to address issues if we do not know about them!

Payment：

We accept Alipay, West Union, TT. All major credit cards are accepted through secure payment processor ESCROW.

Payment must be made within 3 days of order.

If you can't checkout immediately after auction close, please wait for a few minutes and retry Payments must be completed within 3 days.

About shipping:

WORLDWIDE SHIPPING. (Except some countries and APO/FPO)

Orders processed timely after the payment verification.

We only ship to confirmed order addresses. Your order address MUST MATCH your Shipping address.

The images shown are not the actual item and are for your reference only.

SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays. Transit times may vary, particularly during the holiday season.

If you have not received your shipment within the period, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Our goal is customer satisfaction!

Due to stock status and time differences, we will choose to ship your item from our first available warehouse for fast delivery.

We seller are not in charge of import duty, buyer is responsible for that. Any dispute caused by this is unreasonable.

BR buyer please provide the cpf or cnpj, it will be better for you to get it more quickly. thanks

Return and Refund:

You have 7 days to contact us and 30 days to return it from the date it was received. If this item is in your possession more than 7 days, it is considered used and WE WILL NOT ISSUE YOU A REFUND OR REPLACEMENT. There are NO EXCEPTIONS! Shipping cost is bear by both seller and buyer in half.

All returned items MUST BE in the original packaging and you MUST PROVIDE us with the shipping tracking number, specific reason for the return, and your po#.

We will refund YOUR FULL WINNING BID AMOUNT, upon receipt of the item in its original condition and packaging with all components and accessories included, AFTER BOTH Buyer and Seller cancel the transaction from aliexpress. OR, you may choose to have a replacement.

We will bear all the shipping cost if the product(s) is (are) not as advertised.