Why can Yang Jinsheng's power supply be made so small and its performance is particularly reliable?

My charging pile uses Yang Jinsheng MBP, which is still used in the fifth year of this year.

MBP series has the function of battery charging, which can charge lead-acid batteries, and is suitable for power supply systems such as distribution automation systems, power intelligent box transformers and ring network cabinets.

Features of this series of products:

1, and all technical indicators meet the industrial standards of distribution automation such as DL/T72 1-20 13.

2. The efficiency is as high as 86%, and the standby power consumption of the whole system is low.

3. It has multiple protection functions such as output overcurrent and overvoltage.

4, with battery charge and discharge management function, battery activation function.