BOLAIMEI BLM-866 12V/24V Car Battery Charger Automotive Maintainer Trickle Charger for Car Boat Marine - Yellow/US Plug Widely Use: Designed for all 12V or 24V dry battery, water battery, lead acid, maintenance-free battery, etc.automatic stop when fully charged Auto-recognition 12V/24V: Identify 12V or 24V battery automatically once connected, Clear LED bar screen displays the charging rate, easy to understand the charging Auto Stop Charging: adapt the advanced microcomputer full-automatic management system automatic stop charging along with audio alarm when fully charged Multi-protections: Overheating protection, short-circuit protection, reverse-connection protection, over current and over pressure protection; built-in silent cooling fan realize highly efficient heat dissipation and energy saving Key Features Specifications: Product: Car battery Brand: BOLAIMEI Model: BLM-668 Material: Iron Input voltage: 110-250V Rated frequency: 50-60HZ Output voltage: 12V/24V Max current: 15A