Cheap DIY Power Bank
One of the product reviews said that when the load current is greater than 1A and when charging, the main chip get very hot, so to rise the quality of this Power-Bank the IC needs a heat-sink.
One of the product reviews said that when the load current is greater than 1A and when charging, the main chip get very hot, so to rise the quality of this Power-Bank the IC needs a heat-sink.