full automatic protection quick charger 6v/12v 80ah 140w automatic intelligent car battery charger negative pulse

characteristics: this product is the 6v/12v lead acid battery advanced pulse wide modulation (pwm) technology is used to automatically charge batteries through a 4-stage charging cycle battery life can be significantly improved by digital pulse repair method for the power chips of microcomputers constant charge voltage will be regulated to various safeguards and avoid over-voltage, over-current, over-beating and electrode-positive, etc. fast load description: when the red light of charge