1. The intelligent battery indicator flashes to display the battery charging status in real - time. 2. Fast charging saves charging time and improves efficiency. 3. It has multiple protection functions such as over - current protection, leakage protection, and full - charge protection. 4. With intelligent technology, both the charger and the welding parts use intelligent electronic components. 5. It uses an ABS flame - retardant housing with strong fire resistance, making your use more reassuring. 6. It can automatically identify the positive and negative poles and reverse the charging output. 7. It has intelligent timing and will automatically shut down after the battery is fully charged to prevent over - charging. 8. It has a temperature compensation function and will automatically cut off the power when the temperature is too high in a high - temperature environment. 9. Name: 7 - light electric vehicle charger 10. Model: 72V 50AH 11. Output voltage: 72 - 88.8V 12. Power: 550W 13. Output current: 5.5 ± 0.2A 14. Input voltage: 220V AC 50Hz 15. Battery parameters: 6 - DZM - 50 16. Dimensions: 18x8x6cm (7x3x2.4 inches) 17. Plug type: EU plug, suitable for countries and regions such as Indonesia. 18. Color: Black 19. Material: Plastic 20. Packaging content: 1 electric vehicle charger 21. Only the above packaging contents are included, and other items are not included. 22. Note: Light and different monitors may cause slight differences between the color of the item in the picture and the actual one. The measurement error is allowed to be ±1 - 3cm.