Features: and high quality. 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 with most types of lead acid batteries such as Calcium, GEL, AGM, Wet, and EFB. Output short-circuit protection. Reverse connection protection. 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: Approx. 85%. Compliant standards: CE, IEC60335, EN61000, EN55014. Note: 1. Please allow 1–2cm errors due to manual measurement; ensure you are comfortable with this before ordering. 2. Due to differences in monitor displays, the picture may not reflect the actual color of the item. Package includes: 1 x Car Battery Charger