Product Review

Warning:When working with the vehicle's battery, review all the battery manufacturer's and vehicle manufacturer's safety instructions, warnings and directives regarding battery disconnection, removal and replacement.
The vehicle's electrical system is receiving power from memory saver through the OBD connection. Therefore, the vehicle's battery connectors are electrically live and should be covered with an insulator to prevent the connectors from touching metal or each other and causing a short circuit. After each use, disconnect the memory saver and use a dry cloth to wipe all dirt or oil from the connectors and the cable.
During battery replacement, DO NOT turn on (ignition) the car, which its old battery is disconnected and new battery not yet finished replacement. As well, DO NOT turn the key on "ACC ON". If not, the fuse of the memory saver probably burn out, due to high amp and overload.
Security attach the OBD II connector of memory saver into your car OBD II port to get a good contact; if not, during battery replacement, the bad contact between the OBD II connector and your car, may cause missing power supply on your car ECU (Electronic Control Unit, or called auto computer).
Troubleshooting:The 12V DC plug of memory saver should be correctly connected 12V power source, if not, the red led light on the plug will not light up; that means no power signal from the power source or with incorrect polarity connection. If the power source from another car, then check whether the car's Cigarette Lighter on good condition or not. If the power source from a jump starter, then verify if the cause is from the contact. If the power source is from an alternative 12V Lead-acid battery, then check whether the polarity correct or not.
The memory saver 12V DC plug contains an 8 amp fuel. Should a problem arise with the memory saver, check the fuse or contact your direct seller/distributor for assistance