Sealey diagnostic socket memory safe eobd 12v sealey vs2071 used to preserve the memory to on board electronics whilst vehicle s own battery is disconnected saves valuable time spent re programming lost codes can be connected via the vehicle s eobd or cigarette lighter socket unit features an internal 12v 4amp sealed battery and leds provide battery condition and charge indicator supplied with mains charger sealey vs2071 diagnostic socket memory safe eobd 12v