Short circuit, over voltage, over-temperature, reverse polarity protections. 100% full load burn-in test.Check if your local mains supply conforms to charger's input voltage 110V. Then connect the charger system to a wall socket. If charger has switch with OFF position, it MUST be set to ON. LED1 RED confirms AC power on, and the LED2 GREEN confirms charger connects well. Connect the plug or the DC Output cord to battery terminals.
LED2 RED confirms charger is charging, LED2 GREEN confirms battery fully charged. The phenomenon of Sparking is normal when it connects to battery because of high current. This charger only is designed for charging Lead Acid type batteries. Avoid charging the wrong type of battery. The battery maybe damaged if LED2 cannot be changed to green after a long time of charging.Always place the charger in well-ventilated and dry environments. The charger is designed with aluminum case as its heat sink. Do not cover it to avoid the case from being over heated while charging. Please attention to DC terminal. Take it to a qualified service person when service or repair is required. Feedback is very important to us. It is impossible to address issues if we do not know about them!
Faction is our ultimate goal. We work hard to earn your trust and future business. A If you receive a defective item, you may return it or ask for a discount. Due to time zones, our reply to your questions may not be immediately. If it's non-workdays, please kindly be patient and wait till Monday.
Stable Performance and High Quality.