Description: Rechargeable lead-acid batteries, water batteries, dry batteries, maintenance-free batteries - AGM start-stop batteries; Detect the internal pressure of the battery; Automatically identify 12V24V battery; Power 400W, maximum current 30A; Can charge batteries below 400AH Model: Application: lead-acid battery Input parameters: AC110-240V 50/60Hz Output parameters: DC12V30A Rated power: 400W Indicator status: on-screen display, incremental display when charging, full display when fully charged What's in the box 1x 12V 24V Microcomputer Intelligent Pulse Repair Charger