... Auto stop, reverse connect protection. 3,ISO9001:2008 standard. Intelligent battery charger SY-CH-20611,IntroductionIt is designed for charging the startup ... at the floating charge setting value (12V battery unit is about 13.8, 24V battery unit is about 27.6V), it will ... 4, CertificateOur products are approved by ISO9001:2008 standard. 10A 24V Intelligent Battery Charger For Diesel Engine SY-CH-2061