Draper Eobd Memory Saver 22231 Ems
Allows removal of vehicle batteries without losing memories orsettings for ICE systems, digital clocks, trip computers from theECU (engine control unit). Uses 16 pin plug with reverse polarityprotection. Supplied with 2.7M (approx.) of cable with crocodileclips for attachment to slave battery and in-line fuse. Displaypacked.