Sealey-Diagnostic-Socket-Memory-Safe-EOBD-12V-Sealey-VS2071-p-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-4 Amp-sealed-battery-&-LEDs-provide-battery-condition-&-charge-indicator-Supplied-with-mains-charger-p-Sealey-VS2071-Diagnostic-Socket-Memory-Safe-EOBD-12V