NDDI POWER 1A Automatic Battery Charger, 6V and 12V Smart Battery Charger It's the all-in-one solution - battery charger, battery maintainer, trickle charger, plus battery desulfator. Designed for 6-volt and 12-volt lead-acid automotive, marine, and deep-cycle batteries, including flooded, gel, AGM, and maintenance-free, plus lithium-ion batteries. Wide Application All the battery troubles go away 12V Mode :Used for 12V wet cell,gel,enhance flooded,maintenance-free & calcium batteries .12V AGM: Used for 12V AGM batteries.12V Lithium: Used for 12V lithium-ion batteries (including lithium iron phosphate).Only for batteries with BMS.6V Norm: Used for 6V wet cell ,gel,enhanced flooded,maintenance-free & calcium batteries. Safety technology A LED indicator informs about the charging step, fully charged or faulty connection. Modern safety technology with reverse polarity protection, overheating protection, overload protection and short circuit protection. Specification: Name: Battery charger Model: 6V/12V 1A (6851) Outline size: 4.52*2.8*1.65 inch Output parameter: 6V/12V Input voltage: AC 100-120V Low-voltage Detection: 2V Charge Type:3-step,Smart Charger Battery Capacity:Up to 30ah,Maintains All battery Sizes. Over-charge Protection Automatically monitor the charging cycle, limiting the chance of undercharging or overcharging, thus providing a more accurate and fully charged battery, which can do better. Good Compatibility Smart battery charger designed for 6-volt and 12-volt lead-acid automotive, marine, and deep-cycle batteries, including flooded, gel, AGM, and maintenance-free, plus lithium-ion batteries. Widely Use Designed for 6-volt and 12-volt lead-acid automotive, marine, and deep-cycle batteries, including flooded, gel, AGM, and maintenance-free, plus lithium-ion batteries. Easy to Use Connect the charger with AC power source. Select the appropriate mode according to battery type. (Click "Mode" to switch).Connect the red clamp (+) to the positive pole and the black clamp (-) to the negative pole of the battery (if the battery is connected incorrectly, error code , will be displayed on the screen). and the charger will begin charging the battery.Once the battery is fully charged, the Battery Power Indicator will show .Unplug the charger or leave on Float Mode. Package include:2 x Battery charger2 x Battery Clamps2 x Integrated Eyelets2 x Instruction Manual