LED DISPALY: Red Charging / Green Fully Charged, Output: 12V= 1000mA
Only 12V battery is supported,Make sure the Red Square socket is the same, and the battery can work properly, if the battery has not worked for more than 2 months, please check whether the battery is damaged
Please ensure that your car battery is not damaged and can work properly.If the battery has not been used for more than 2 months, check it for damage
Certified Safety:Our products have passed the UL test and got the certificatesHigh efficient and safe to charge.Over Current output Protection, Short Circuit output Protection.