Li-ion battery charge discharge controller TP 4056. Device, tests. Can it work as a UPS
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One of the best charge-discharge controllers with built-in protection for lithium-ion batteries. The controller board has several versions. Those shown in the video are marked 4056, hw-107 and 03962a. All are built on the tp4056 charge controller, the dw01 protection chip marked dw01a, and all have a mosfeet 8205a installed. The video tells and shows the controller device, tells how to connect the controller board to the battery, shows the differences between the different versions of the board. It also shows and tells how to regulate the battery charging current. For this, there is a resistor R3 on the board, the datasheet shows a diagram and a plate. From the plate it becomes clear what resistor rating you need to put to reduce the charging current. Controller tests have been carried out. The protection controller has short-circuit protection, the video shows at what current the protection is triggered. The controller also has protection against battery overdischarge and protection against reverse polarity, in other words, the controller will not fail if the polarity of the battery is reversed. It was also found out during the tests whether the charge-discharge controller can work as a UPS, charging the battery and powering the load at the same time. As an uninterruptible power supply, the controller has proven itself in the best possible way. The 4056 board participated in the tests, the connection of which was also shown in detail. And, as a conclusion, this is the best controller for li-ion based on the price-quality ratio. Yes, there are certain limitations, but this controller board with built-in protection covers 90 percent of the tasks that need to be solved with a lithium-ion battery at home.
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