The battery charger is intended for use only in dry conditions away from water and moisture. The battery charger can charge both 6V and 12V batteries. Depending on the voltage of the battery you are charging, select the charging voltage corresponding to the battery (6V/12V) from the switch on the charger. The charger is equipped with four indicator lights:1. The “Power“ red indicator light indicates that the charger is connected to the mains.2. The “Charging“ yellow indicator light indicates that the battery is being charged.3. The “Fully Charged“ green indicator light indicates that the charging process is complete and the battery is fully charged.4. The “Polarity Check“ red indicator light indicates that the wires are connected to the battery in the wrong order and should be reversed. Instructions for use:1. Make sure that the charger is not connected to the mains.2. Connect the red wire to the batterys positive (+) terminal and the black wire to the cars ground away from the battery and fuel lines, and then connect the charger to the power supply. 3. The charging process is indicated by a yellow indicator light. 4. When the charging process is complete, the green indicator light will light up. Unplug the charger from the power supply and disconnect the battery from the charger, first the red positive wire and then the black negative wire. Technical data: Input voltage: 230V 50Hz Charging current: StandardCharge6 6 amp (RMS)     4 amp (DC)   StandardCharge8 8 amp / 3.7 amp (RMS)     5.4 amp / 2.5 amp (DC)   StandardCharge12 12 amp / 3.7 amp (RMS)     8 amp / 2.5 amp (DC) Charging voltage: 12V DC / RECB206 – 6V & 12V DC Battery types: Lead – all models / Gel – RECB208 and RECB212 Battery capacity: StandardCharge6 20AH – 70AH   StandardCharge8 20AH – 120AH   StandardCharge12 20AH – 180AH Dimensions: 255 x 100 x 215 mm Weight: 3.2 kg Product code: StandardCharge6 RECB206   StandardCharge8 RECB208   StandardCharge12 RECB212