Product Information - The charger comes with a connecting plug: DC 5.5*2.5MM connection interface is also compatible with 5.5*2.1MM size. There are 5 types of plug conversions: 3P-XLR, RCA, 3P-GX16, 3P-GX12, DC 8mm, and 3P plug. Indicator status: green for loading, red for charging, green for fully charged. 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 Maximum power output: 58.8W, 84W, 109.2W, 147W, 210W, 273W, 294W, 336W, 420W, 483W Multiple safety protections included: short circuit protection, over current protection, over voltage protection, over temperature protection, over charge protection, over discharge protection, and cycle protection. 5 Features to Extend Battery Life: 1. Advanced chip technology for intelligent protection and enhanced safety 2. Intelligent and efficient lithium battery charging 3. Built-in cooling fan to reduce heat during charging 4. Durable shell made of high-quality flame-retardant ABS material 5. High-voltage timing charging with intelligent IC control to manage maximum voltage charging time and help prevent battery damage Charger Usage and Maintenance: 1. This product is designed for lithium-ion batteries. Ensure the positive and negative poles of the charging interface match the charger connector. 2. When charging, connect the battery first, then plug into the AC power supply. After charging is complete, disconnect the AC power first, then remove the battery plug. Disconnecting the battery first, especially during high-current charging (when the red light is on), may damage the charger. 3. Do not charge for more than 24 hours. Avoid fully discharging the battery before recharging to help maintain battery health. 4. Use the charger in a dry environment. Unplug the charger after charging is complete. Please check the product dimensions and specifications carefully to ensure compatibility with your needs. We aim for your complete satisfaction. For any questions regarding the product, feel free to reach out. Thank you for choosing this product.