Banggood

I installed this product into my '88 Honda Civic and it works perfectly. Without any load it shows the voltage of the electrical system of the car. Under load it shows the output voltage for few seconds and after the output current. The cover of the display is a bit too 'frosty' could be more clear but the numbers can be read. The minimum dimension of the slot where you want to install it must be 22x36mm. The unloaded idle power consumption is ~20mA.

Вольтметр работает адекватно. 2 телефона заряжались суммарно током 2-2,5А, при этом амперметр также показывал правдивые значения. Нагрев присутствует, но терпимый. Собрана аккуратно, заглушки держатся плотно. В общем полезный апгрейд для авто, чтобы не занимать прикуриватель

Доставка почти месяц, радует, что полностью соответствует своим характеристикам. Тут полный обзор: http://mysku.ru/blog/china-stores/46229.html

Bought this for my little dune buggy to monitor the battery and charging performance. I had been having problems with my battery draining and this device helped me considerably to troubleshoot the problem. Mine was .2 volts lower in reading over my handheld voltmeter, but not a problem for me to compensate. This little device has saved my time and worries. It's always been consistent in readings and it draws virtually nothing off the battery..

The numbers are flashing if the voltage is less than 11.5V

Very useful car charger, fast charging (2x2A at the time), it also has a voltage indicator which can show your car battery quaity.

Product ID: 1066614 Feels solid, USB 5 volts out. Displays supply voltage, USB device voltage and charge rate through a somewhat blury lens. Face plate protrudes more than 6mm from mounting surface. Good deal when on sale at $7

remplacement de bouton sur véhicules anciens . chargement rapide . beaucoup d'applications . Superbe tout simplement

Thank you very much for the gift picture 5

This is the perfect item for a battery powered lighting/charging power pack I am building for emergency power outages.