Product Details: The charger comes with a connection plug: DC 5.5*2.5MM connection interface is also suitable for 5.5*2.1MM size. It features 5 types of connector conversion: 3P-XLR, RCA, 3P-GX16, 3P-GX12, DC 8mm, 3P connector. Indicator Status: Green - charging, Red - charging, Green - full. Input: 100-240VAC Output: 29.4V 2A/42V 2A/54.6V 2A/29.4V 5A/42V 5A/54.6V 5A/58.8V 5A/67.2V 5A/84V 5A/96.6V 5A Color: Black Maximum Power Supply: 58.8W/84W/109.2W/147W/210W/273W/294W/336W/420W/483W Multiple Safety Protection: Short circuit protection, overcurrent protection, overvoltage protection, overtemperature protection, overcharge protection, overdischarge protection, cycle protection. 5 Features to Extend Battery Life: Advanced chip, intelligent protection, safer. Intelligent and efficient lithium battery charger. Built-in cooling fan, effectively avoids charging and heating. The shell is made of high-quality flame-retardant ABS material. High-voltage time charging, intelligent IC controls the highest voltage charging time, effectively avoiding damage to the battery. Charger Usage and Maintenance: This product is suitable for lithium-ion batteries. The positive and negative poles of the charging interface must match the charger connector. When charging, connect the battery first and then connect the mains power; after fully charging, turn off the mains power and then unplug the battery connector. If you unplug the battery first when charging, especially when the charging current is large (the red light is on), it is easy to damage the charger. Charging time should not exceed 24 hours, and the battery should not be discharged and charged. Otherwise, the battery may not be protected or even damaged. Use the charger in a dry place and unplug the charger after charging is complete.