B421 Everyday Charger (USB) 4-Slot NiMH Instruction Manual Unpacking and checking You should find the following items in the packaging. Please make sure they are undamaged and in good working order. B421 Everyday Charger (USB) 4-Slot NiMH GP NiMH USB charging cable rechargeable batteries (input/output) For exact package contents and quantity, please refer toIn the bo section of the packaging. Charging instructions Fig.3 FIg.1 Fig.2a Fig.2b LED indication Condition LED indicator Charging in progress Green (Flashing) Bad or single-use batteries Green (Rapid flashing) Charging completed Green Charging time* Size Size Capacity (mAh) Charging time (hrs) NiMH AA 1300mAh / 2600mAh 4 - 7.5 AAA 650mAh / 950mAh 2.5 - 3.5 AAA * Charging time is subjected to the power rating of the USB adaptor with 5V/1A DC output and varies depending on battery capacities.Read the instruction manual thoroughly before use. GBGB Keep the manual for future reference. 1. Insert 2pcs or 4pcs NiMH batteries into the battery charger according to the battery polarity. (Fig. 1). 2. Connect the micro USB end of the cable to the micro USB port of the battery charger (Fig. 2a). 3. Connect the other end of the USB cable to a smartphone wall charger (Fig. 2b) or similar USB port on a computer, power bank or USB car charger. 4. Charging will commence and the LED indicator will show the status of the battery (Fig. 3).The LED indicator will show the flashing green color when the battery is charging. For bad or single-use battery, the rapid flashing green color will be shown in the LED indicator when charging. 5. Once the battery is fully charged (LED constant green), remove the battery and disconnect the battery charger from the power supply. 6. For charging via 4-slot or 8-slot charger dock, please refer to the instruction manual of corresponding GP NiMH USB LCD charger dock. For best performance and safety, always use GP NiMH batteries Features 4 slots charging with 2 LED indication Auto power cutoff - Negative delta V & safety timer USB power input (5V/1A) Trickle charge mode Approximate charging time (AA, 2100mAh / AAA, 850mAh): 6/3 hrs Usage tips It is normal for batteries to become hot during charging and they will gradually cool down to room temperature after fully charged. Remove batteries from the electrical device if the device is not going to be used for a long time. Battery storage temperature: -25 ~ 60C Charger operation temperature: 0 ~ 35C Safety information This charger is designed to charge only NiMH battery. Charging other batteries may lead to explosion, battery rupture or leakage, personal injury or property damage. This charger is designed for indoor use only. Do not expose the charger to rain, snow or direct sunlight. Do not use the charger in humid conditions. Make sure the charger is used between 035 C. To reduce the risk of injury, it is recommended that GP NiMH batteries are used. Do not use non-rechargeable, LiFePO4, NiCD or Li-ion batteries. Do not use the charger if it has a damaged plug. Do not use the charger after it has been dropped or damaged. Do not open/disassemble the charger. This charger is maintenance-free but should be wiped clean regularly with a dry and soft cloth. Do not use abrasives or solvents. Unplug the charger before cleaning. This appliance can be used by children aged from 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved. Children shall not play with the appliance Cleaning and user maintenance shall not be made by children without supervision This device complies with Part 15 of the FCC Rules. 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 undesired 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.