2 Digital Display 
Time and Current Controller
Time Input 1-50
Current Input 30-90%
100Amps Current rating
 
Hi, if you are looking for a Spot welding time and power control board then you are in the right place. This circuit can control the time and current easily of your spot. You can varry this from cells to cells and according to the thickness of the Nickel Strip. You can use the knobs  to fix the time and current according to your cells. You can use this circuit for spot in Lithium Ion battery packs as well as Lithium Phospate battery pack. you can use this board in 18650/21700/26650/32700 cells easilty.
 
Special Features - 
The use of STM8 industrial control center microcontroller.
Strong and weak electricity through optocoupler insulation, safe operation.
The power line and foot switch line adopts the bolt the quick connect terminal, more convenient and reliable.
Input time, current using a high-precision simple potentiometer, to ensure reliable, convenient input
On-board power supply, state, foot, trigger indicator, work status clearly visible.
The design of reliable zero-crossing detection circuit to ensure that the SCR phase shift accuracy.
The controller is compatible with 100A scr.
Digital control interface, you can display the current time and current settings.
 Input time of 1-50, cycle unit (1 cycles is 20 ms), current input (30-99%),
 
Package Include - 
1 X controller Board