36v 19.8ah electric wrench low temperature lithium battery design party case
2022-10-09
Electric wrench is a special tool for basic engineering construction to install screw parts and nuts. It has the function of automatic control system torque. It is widely used in the constru...
12.8V 60Ah industrial portable emergency power battery design
2022-10-09
Preface: Industrial production of portable backup power is widely used in outdoor emergency communication machine equipment power supply system, can also be used for mobile electromagnetic wave exp...