Enjoy Precision Charging, Your Car Deserves the Best: Using a backlit LCD screen, the automotive battery charger clearly and visibly displays the charging status and battery health; a built-in thermal sensor detects the ambient temperature and alters the charge to eliminate overcharging in hot weather and undercharging in cold weather. All in One, Keep Your Battery Charged and Your Car Ready to Go: 10 Amp, 12V & 24V fully automatic automotive battery charger is smaller but delivers more power. It's the all-in-one solution battery charger, battery maintainer, trickle charger, and battery desulfator. Charge or repair all 12V & 24V automotive, marine, and deep cycle lead-acid batteries including AGM, GEL, SL, and flooded in cars, trucks, SUVs, motorcycles, lawn mowers, boats, marine, etc. Restore Your Battery, Don't Let a Dead Battery Ruin Your Plans - Built-in advanced battery repair mode to help recover old/inactive batteries and extend battery life. Use repair mode if the car battery charger can't charge the battery. High-frequency and low-frequency pulse technology has good repair and activation effects. NO LITHIUM BATTERIES ALLOWED 8 Charging Protection, Never Tangle Again - The charging cable contains heat-resistant and oxidation-resistant copper wire, which is not easy to break. It has protection circuits such as overload/overvoltage/overcurrent/short circuit, with functions such as overcurrent protection, short circuit protection, reverse connection protection, overheating protection, overvoltage protection, and undervoltage protection. Intelligent Memory: The car battery charger mode has a memory function. After charging, the default is the state mode used before the last power failure. No complicated steps, just plug and charge. Note: It is a car battery charger, only the battery charging function. Requires power connection.