amiciSmart 10A Solar Charger Controller with USB Port (12/24V)

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It's good one. It's controll the voltage that generate from solar panel and yes there is a option to increase/decrease the voltage limit and this I find it cool features.Remember, first timer when you connect the system it may show Higher voltage which are higher than the battery specific voltage, don't get panicked, remove the solar panel connection and connect again, this will solve the issue. Sometimes faulty in connection or loss in connection it may happen.Usb port functionality is good. I have 3A output current so fast charging phone support but I recommend do not use phone charge and charge it when emergency. Alternatively, Use DC to AC converter and charge it through the phone's specific charger.Battery Life depends on the battery capacity you are using and yes it charge the battery with properly.You can go with this. I recommend to everyone.

I bought it last weeks. It works well and user manual was enclosed

I have bought multiple solar controllers, this is the best you can get for the value.It's functioning properly as it should be, did not had any issue with the solar charge controller. The default bms takes good care of the battery life. The best part the usb port perform really good.

I have complaint amicart but amicart not able to solve problem so I have requested to other customer this company product was not purchased because he was not able to services in his product was defective and should not be responsible.

The replacement unit works fine so far (Both replacement and original units were fully sealed. I presume, the defect with the original one is from the factory). Will update if I run into any of the issues mentioned below.Increasing the rating to 3 stars from 1 star.Should you receive a defective unit, don't hesitate to order a replacement through order page (and then hope that you receive a working unit).--- Original Review ---This product is a hit or miss. The first one I have ordered a couple months ago works fine so far. But the second one I have ordered has been nothing but trouble. It's one thing to not work and it's another thing to work in such a way that it damages your devices.Here are some problems I have run into/observed:1. Detects 12v Sealed Lead Acid battery correctly, but randomly thinks that it is a 24v battery after sometime and passes 17v to the 12v battery. I could hear some boiling sound of liquid in the battery and immediately disconnected it from the controller.2. When a USB device is connected, the controller continuously turns ON and OFF every second. This could damage both the USB device and the SLA battery connected to the controller.Promptly returning this product to Amazon. Ordered for a replacement, hoping that I will win the quality lottery on that one. If the replacement has the same issues, I'm staying away from this and related brands until a good product emerges.It's disheartening to see that we can't find a good solar charge controller with decent reviews and all we have are these low quality products that have not been tested properly before being shipped out to customers.(PS: I see that the same product is being sold in eBay-UK for Rs. 123 including shipping. It's no wonder that the quality is so bad, if they are able to sell the device for that price)