All in One Fully Automatic 6Amp 12V Automotive Battery Charger Intelligent, it's smaller but delivers more power. It is the allinone solution: battery charger, battery maintainer, trickle charger and battery desulphator. Charge or repair all automotive, marine and household batteries. 12V lead acid deep cycle, including AGM, GEL, SLA and AA batteries. liquid electrolyte in cars, trucks, SUVs, motorcycles, lawnmowers, etc. grass, boats, ships, etc. LITHIUM BATTERIES ARE NOT ALLOWED Restore your battery Builtin battery REPAIR mode. and advanced allows you to recover old or inactive batteries and extend their life. If the car battery charger cannot charge the battery, please use repair mode. High and low frequency pulse technology has good repair and activation effects. Note: It cannot activate a dead battery or repair a damaged battery. Enjoy Accurate Charging Thanks to A backlit LCD display, the automotive battery charger clearly and visibly displays the state of charge and battery condition. A builtin thermal sensor senses ambient temperature and modifies charging to prevent overcharging in hot climates and undercharging in cold climates. Smart Memory The Battery Charger Mode of car has a memory function. After charging, it defaults back to the used state mode. before the last power outage. Intelligent memory is convenient to use. to use. (Repair mode without memory function) Note: It can't start the car, only charge the battery. Requires electrical connection. Charging protectionThe charging cable contains copper wire which is heat resistant. heat and oxidation, which is not easily broken. 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. Winter and summer modelWinter model: switch to winter mode as soon as the temperature is below 10/50 adequate load in winter.Summer model : switch to summer mode once the temperature is above 28/82.4 to avoid overload in summer. Builtin cooling fanThe cooling fan helps to dissipate heat and ensure the device works smoothly. battery charger for a long time. The temperature is maintained at a safe level without damaging the battery charger. The flame retardant ABS shell has flame retardant, electric shockproof and anticorrosion characteristics."