12V/24V/36V/48V Control Module, 30A Automatic Battery Charger Charging Controller Battery Charging Protection Module(12V)

The 12V Charge Control Module is a mixed bag with negative and positive feedback from customers. A user reported that the PCB is not marked, and there is no documentation, which makes it a guesswork to identify which part is what. Another user says a board diagram should be included, but he is impressed with the product and plans to test it himself. Glenn is hoping to use the module as an Uninterruptible Power Supply, and he is relying on the main battery connection to shut down when the battery is full and automatically switch to the charger if the battery is inadequate. One user did some testing on the product and reportedly found that it doesn't regulate charge voltage at all. The device may not be useful in his application, Considering how it works, but he believes it could be a cost-effective option for a dump load controller. There is Consensus among users that the device needs instructions, and the PCB should be marked to make it easier to use.