[. . . ] Only for EU countries Do not dispose of electric equipment together with household waste material!In observance of European Directive 2002/96/EC on waste electrical and electronic equipment and its implementation in accordance with national law, electric equipment that have reached the end of their life must be collected separately and returned to an environmentally compatible recycling facility. Before using battery charger, read all instructions and cautionary markings on (1) battery charger, (2) battery, and (3) product using battery. [. . . ] Do not charge battery cartridge when temperature is BELOW 10°C (50°F) or ABOVE 40°C (104°F). Place the charger, power supply cord and battery cartridge where these may not obstruct driving operation. During driving operation, do not use the charger or the battery cartridge. Do not place the charger or the battery cartridge where these are directly exposed to the sunlight. This charger is intended for use plugging to the automobile cigarette lighter power source with grounded negative pole contact. Insert the battery cartridge into charger until it stops adjusting to the guide of charger. Terminal cover of charger can be opened with inserting and closed with pulling out the battery cartridge. When the battery cartridge is inserted, the red charging light will light up. With finish of charge, the charging light will change from red one to green one. Charging time varies by temperature (10°C (50°F) ­ 40°C (104°F)) that battery cartridge is charged at and conditions of the battery cartridge, such as a battery cartridge which is new or has not been used for a long period of time. After charging a Ni-MH battery and a Li-ion battery, leave it in the charger for about 30 ­ 60 minutes to cool down. It may take twice the above charging time to the maximum because of the optional charging selected according to the temperature (10°C (50°F) ­ 40°C (104°F)), conditions of battery cartridge and maintenance charge. Never use it for other purposes or for other manufacturer's batteries. When you charge a battery cartridge which is new or has not been used for a long period of time, it may not accept a full charge until after discharging it completely and recharging a couple of times. (Ni-MH battery only) · If you charge a battery cartridge from a just-operated tool or battery cartridge which has been left in a location exposed to direct sunlight for a long time, the charging light may flash in red color. When charging the battery cartridge with a hot charger, the charging lamp may flash in red. [. . . ] The cooling system is in order although no sound of cooling fan comes out, if the yellow warning light will not flash. The products should be sent to repair or maintenance, if the yellow warning light will frequently flash. Conditioning charge can extend the life of battery by automatically searching the optimum charging condition for the batteries in every situation. [. . . ]