Tcs Dry Charged Maintenance Free Motorcycle Battery Ytx9-BS. 100% Pre-delivery Inspection: Ensures stable quality and reliable performance through strict visual and function checks. Low Self-Discharge Rate: Pb-Ca grid alloy technology ensures low water loss and stable quality. High Over-Charge Resistance: Flooded electrolyte design provides high resistance to over-charge and over-discharge. Dry Charged Technology: Maintenance-free dry storage status allows for easy installation and long shelf life. OEM Service Available: Supports customization from samples, designs, and minor flexible customization. Large Production Capacity: Monthly output of nearly 4,000,000 batteries with advanced automated lines. 1-Year Warranty Coverage: Comprehensive warranty support for all mechanical and performance defects.