Lincoln Electric WELDYSTIFFENER Safety Instruction For Use And Maintenance page 13

8695 5876 / E
B) BATTERY
The battery autonomy is 6 hours in continuous work.
The display flashes to indicate that the battery charge level is too low to
power the carriage and its optional features.
Connect the charger to a main connector 220-240V / 50-60 Hz.
When the battery is well connected, according to the polarities, green
warning light goes red and the charge begins. The light remains red during all
the charging time.
When the charge is over, the light turns green.
WELDYSTIFFENER
D - INSTRUCTIONS FOR USE
D-9