Intelligent fast charger is our company based on the battery characteristics and professional design and development which uses an advanced pulse-width modulation (pwm) technology,three stage intelligent Charging fast and anti reverse,short circuit proof automatically identify whelther the batteries automatically shut down output hanging design easy installation and so on.this product is suitable for 12V lead acid battery gel battery.Three stage charging method of the efficient (constant current, constant voltage,trikle)PWM charge ModeWith battery line detection,short circuit, over current, over voltage and reverse polarity protection and other functionsCharge indicator show Charging process directly reflects facilitate users to quickly understand the current state of the batteryIntelligent fast charger is our company based on the battery characteristics and professional design and development which uses an advanced pulse-width modulation (pwm) technology,three stage intelligent Charging fast and anti reverse,short circuit proof automatically identify whelther the batteries automatically shut down output hanging design easy installation and so on.this product is suitable for 12V lead acid battery gel battery.Three stage charging method of the efficient (constant current, constant voltage,trikle)PWM charge ModeWith battery line detection,short circuit, over current, over voltage and reverse polarity protection and other functionsCharge indicator show Charging process directly reflects facilitate users to quickly understand the current state of the battery