Four-slot intelligent battery charger with MCU control for safe, reliable operation - Maximum output current: 2000 mA - Charge current: 1 mA - LCD display for clear charging status and information - Battery charger with four slots for simultaneous charging - Extended MCU control ensuring precise management and monitoring - Protection features: overheat protection, overcurrent protection, short-circuit protection - Battery recognition: detects non-rechargeable and defective batteries to prevent damage - Intelligent charging: maintenance or preservation mode helps maximize battery capacity and longevity of the battery and charger Use scenarios - Home or office use: charge up to four rechargeable batteries at once while monitoring progress on the LCD, ensuring devices stay ready for daily use. - Workshop or service setting: safely manage battery inventory, identify non-rechargeable or defective cells, and protect equipment from heat, overcurrent, or shorts. - Emergency storage or long-term care: use maintenance mode to preserve battery capacity and extend shelf life when batteries are not in active use.