AccuPower AP12243 Car Adapter for IQ328 Battery Charger Analyzer - Also - La Crosse BC-700 BC-1000 BC-9009 Car adapter works with any automotive accessory plug (cigarette lighter plug). Easy to charge batteries on the go with the IQ328 battery charger. Power LED to show operation. Input Voltage: 12-24 Vdc - Output Voltage 3.0 Vdc - Output Current 4.0 A Max Works with AccuPower IQ3238 - Also - La Crosse BC-700 BC-9009 BC1000 Battery Chargers