Product Information - The charger is equipped with a connecting plug: DC 5.5*2.5 mm connection interface is also applicable to 5.5*2.1 mm size. - There are 5 types of plug conversion: 3P-XLR, RCA, 3P-GX16, 3P-GX12, DC 8 mm, 3P plug - Indicator status: green loading, red charging, green full charge. - Input: 100-240 volts AC - Output: multiple safety protection, short circuit protection, overcurrent protection, overvoltage protection, over temperature protection, over charging protection, over discharge protection, cycle protection. 5 functions to extend battery life 1. Adopt advanced chips, intelligent protection, safer 2. Intelligent efficient lithium-ion battery charger 3. Built-in cooling fan, effectively avoiding charging heat 4. Shell made of high-quality flame-retardant ABS material 5. High-voltage timed charging, intelligent IC control maximum voltage charging time, effectively avoiding battery damage Charging and Maintenance of the Charger 1. This product is suitable for lithium-ion batteries. The positive and negative poles of the charging interface must match the charger plug. 2. When charging, connect the battery first, then connect the AC power supply; after being fully charged, please cut off the AC power supply and then remove the battery plug. If you unplug the battery before charging, especially when the charging current is large (red light is on), it is very easy to damage the charger. 3. Charging time should not exceed 24 hours, the battery must not be discharged before charging. Otherwise, the battery cannot be protected and may even be damaged. 4. Please place the charger in a dry place and remove it after charging. When shopping, please pay attention to the size and specifications of the product to ensure it meets your needs. In the title and description, we provide detailed information about the product, including its features and specifications.We hope you are completely satisfied with the purchased product. So if you have any questions or concerns, please do not hesitate to contact us. We will provide you with assistance and do our best to help you.Thank you for choosing our product. We hope you will like it.