[. . . ] Different contact plates for AA and AAA NiMH batteries are set in the outer and inner part of the charging slots respectively. 2) When inserting AAA batteries into the charging slots, slant the batteries to ensure smooth contact with the plates. Close the door - ensure the door is securely closed, otherwise the chargingprocess will not commence. [. . . ] Do not charge other types of batteries, such as alkaline, carbon zinc, lithium, rechargeable alkaline or any other unspecified batteries, as they may leak or burst, causing personal injury and damage. Never use an extension cord or any attachment not recommended by GP, as this may lead to a risk of fire, electric shock or personal injury. This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety. Children should be supervised to ensure that they do not play with the appliance. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undersired operation. Do not dispose of electrical appliances as unsorted municipal waste, use separate collection facilities. Contact your local government for information regarding the collection systems available. If electrical appliances are disposed of in landfills or dumps, hazardous substances can leak into the groundwater and get into the food chain, damaging your health and well-being. Corded-type charger with AC100-240V adaptor Charge 1 to 4 AA or AAA NiMH rechargeable batteries Equipped with 4 individual charging channels Termination methods: - Individual minus delta voltage (-dV) - Individual temperature sensor - Individual safety timer Over-temperature protection Primary and damaged batteries detection Easy check LED icons Digital clock Safety guaranteed Read the instruction manual thoroughly before use. 3A adaptor with its corresponding plug to the chargerand plug it into the power source. Insert AA or AAA NiMHbatteries into the charging slots according to the polarity indications (+/-). Different contact plates for AA and AAA NiMH batteries are set in the outer and inner part of the charging slots respectively. 2) When inserting AAA batteries into the charging slots, slant the batteries to ensure smooth contact with the plates. Close the door - ensure the door is securely closed, otherwise the chargingprocess will not commence. Make use of the Battery Location Dot to identify the charging slots represented by the battery icons on the main screen, which are correlated with the icons on the silkscreen on the battery compartment. If the charger does not work properly, all Battery Icons and the Charging Icon will turn off. When charging is complete, take out the batteries for use and leave thecharger on desk by simply pressing off the Standby Switch. For best performance and optimal safety, charge GP NiMH batteries with GP PowerBank. [. . . ] Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undersired operation. Do not dispose of electrical appliances as unsorted municipal waste, use separate collection facilities. Contact your local government for information regarding the collection systems available. [. . . ]