This is a fully automatic battery charger. This battery charger/maintainer support working under temperature -4℉~ 104℉, to ensure the battery can be charged and start normally and prolong the life of battery. Its intelligent microprocessor monitors the attached battery's voltage level from the moment it is connected, using this ever-changing data to improve the charging system's multi-stage charging cycle, resulting in quicker charge times, and preventing from Overtime Charging, Over Voltage, Over Heat, Short Circuit.
✔ Smart Fast Charger: 2A / 8A / 15A / Auto charging rate, fully automatic high frequency charging for all types of 12V lead acid batteries, including GEL, AGM and STD. Not only do you choose the charging rate manually, but also the optimal function can automatically select the charge rate best fit for your type of battery.
✔ Excellent Winter Charging Mode: Specialized design for charging battery in winter weather conditions to sustain a longer life of battery and to ensure perfect charging
✔ Safety Protection: Microprocessor-controlled, with multi-stage charging for added precision, safety, and battery life. No worry about battery Over Voltage, Over Heat, Overtime Charging, Short Circuit and Reverse Polarity
✔ Advanced LCD Display: Intuitive words and vivid icon, easily keeping track of charging status, charging current, voltage, battery type, and error information
✔ Complete 6-step Charging Program: Desulphation, Soft Start, Bulk Charge, Absorption, Battery Test and Floating, allow for optimization of battery power, without overcharging or damaging. Household Use Only. (Do not charge a frozen or dead battery!)