Description This product is a car battery charger made of iron material high-quality and durable. It can be used to detect battery internal pressure repair and charge. Suitable for most batteries which ensure its practicality and popularity. Choose it for you. Feature - Color: As Shown. - Material: Iron. - Size: Approx. 18.00X14.50X7.00cm/7.07X5.70X2.75in. - Input Parameters: 110V-250V. - Output Parameters: 12V-24V. - Charging Current: 40000mA. - Charging Time: 0.5-20h. - Output Current: 12V-30A/24V-15A. - Applicable Voltage: DC-12V/24V. - Scope of Application: Lead-acid battery water battery dry battery 12V lithium battery. - Note: Don t use fake and inferior synthetic batteries we are not responsible for accidents. - The five-segment impulse repair charging can continue to repair without damaging the battery. - Simple operation and convenient use suitable for professional and personal use. - Safety protection that is overheat protection short circuit protection overcurrent protection overvoltage protection low voltage protection reverse connection protection. - Winter mode automatic adjustment no need to worry about battery charging. - Pulse can protect the battery and prolong the life of the battery.