.Fast - 12V/10A and 24V/5A 7-stage fast battery(the lead battery and the start -up battery) chargers, the charging speed is much faster than 8A or 5A automatic chargers. Suitable for most battery types including Calcium, GEL, AGM, LiFePo4, Wet, lead Acid batteries etc<br><br>. Intelligent - The display can display charging status, battery status, charging voltage, charging current, internal temperature, battery full, summer mode, winter mode, etc.<br><br> Repair - Built-in advanced battery repair mode to help restore old/idle batteries and extend battery life. If the battery cannot be charged, use the service mode. High frequency and low-frequency pulse technology has good repair and activation effect<br><br> Safety - The charging cable contains heat-resistant and oxidation-resistant copper wire, which is not easy to break. It has overcharge/overvoltage/overcurrent/short circuit protection circuits .<br><br> Memory - The product model has a memory function. After charging, it defaults to the state mode used before the last power failure, intelligent memory, and convenient to use.