Kimpex - AGM Battery Maintenance Free (YTX14L-BS/HTX14L-BS)ISO 9001 and ISO 14001 Made with the same specifications and quality control as the top brand names in batteries but at an affordable price, Batteries sold by Kimpex are covered by a limited 1 year warranty, with proof of purchase. Kimpex reserves the right to claim the defective battery for validation. Advanced lead calcium technology promotes the cranking power, never requires refilling, half shelf discharge rate compared to conventional batteries.