High power constant current constant voltage step-down module charging module xl4016e1 supports 8A current 180W

Maximum support 5A current.

1) Toggle display
2) High accuracy
3) Easy to use
4) Safety and durability

Product information: 
Product name: Digital display constant voltage and constant current step-down module
Input voltage: DC 8V~40V
Output voltage: DC 1.25V~36V
Output current: 5A maximum (more than 5A need to enhance heat dissipation)
Output power: 180W
Switching fruquency: 180KHz
Short circuit protection.
Size: 85*51*29mm
Net weight: 0.068kg

Note: 
Idea matters
1. The product input can only use DC, such as switch power adapter, battery, lithium battery, and can not use AC, such as generator, transformer, etc.
2. Wiring mode, left input and right output, pay attention to the positive and negative poles, this product has reverse protection only for small current protection, it can't protection large current battery.
3. The maximum output voltage of the product is 4V. If it exceeds 40V, it will burn out.
4. This product is a step-down module. The output end is always lower than the input end, and there is a pressure difference. The pressure regulating range is input to 12 V, the output can only be adjusted to 11V, the output of input 24 can be adjusted to 23v, the output of input 30V can be adjusted to 29V, and the output of input 40V can be adjusted to 36V.
5. The maximum load of the module is 5A. If it exceeds 5a, a fan is required to assist in heat dissipation.
6. If there is no response to adjust the voltage and current, it may need to rotate a lot of turns.