... universal laptop battery tester for DELL ACER TOSHIBA HP ASUS SONY Function: test, charge,discharge,50% cha&disc, intelligent ... charge, discharge, test, capacity correction, charge / discharge 50% capacity*LCD for displaying battery informaiton*LED for indicating working status*With ... 240 V Output: DC 24V 2.65A*Display mode Segment LCD with white backlight + LED in red and green*Discharging mode ...