Features: Brand This is a fully automatic battery charger with 3 charge stages. Automatic charging protects your battery from being overcharged, allowing the charger to remain connected to the battery indefinitely. 3-stage charging is suitable for most battery types, including Calcium, Gel, AGM, and Wet batteries. It may also help restore drained and sulphated batteries. Compatible battery types: Most lead acid batteries including Calcium, Gel, AGM, Wet, EFB, etc. Output short-circuit protection Reverse connection protection Package Includes: 1 x Car Battery Charger Specifications: Material: ABS Size: As shown in picture Color: Red, Yellow Plug specifications: European standard, British standard, U.S. standard Cooling: Natural cooling Input voltage: 100-240V AC, 50-60Hz Rated output: 6V 2A, 12V 2A Minimum start voltage: 7.0V Battery range: 4Ah - 40Ah Thermal protection: 65°C ±5°C Efficiency: Approximately 85% Compliant standards: CE, IEC60335, EN61000, EN55014 Note: 1. Please allow 1-2 cm errors due to manual measurement; ensure you are comfortable with this before ordering. 2. Due to differences between monitor displays, the picture may not reflect the actual color of the item.