Features -Pulse smart charger， always charge maintenance， prolong the service life of the battery-small in size-with Internal IC chip of aluminum alloy heat dissipation， application safety， long service life-Automatic protection， not afraid of short circuit and reverse connection， no chargeSpecifications：????????Input voltage：100-240V~50/60HzOutput voltage：2V-1250mASize：30*48*72mmColor：BlackMethod of use:1.After the charger plug into， Indicator light turn to red ， which means that the power supply has been switched on.connect the charger with positive and negative electrode2.Connect the charger with positive and negetive electrode of the accumulator.The red clip connect with the positive， black clip with the negative.After connecting， Green and orange light means charging， and the red light means fully charged.Attentions：-Please take the charging battery out from the car， if is not convenient， please cut off the power cord connection between the battery and the car before charging-Reason: remove or cut off the power cord can effectively prevent the charger current loss， to ensure that the charging effect-Do not Connect the power cord and start the car when battery charging -Reason: The battery with lots of current when the car launching. If the charger still connect with the accumulator the current may cause the charger output burnout.Package included 1 x Voltage Battery Power Charger / in a pack