1. Microprocessor control (CPU).2. 3-stage automatic charging:3. This is a fully automatic battery charger with 3 charging stages.4. Automatic charging prevents the battery from overcharging. Therefore, you can connect the charger to the battery indefinitely.5. Level 3 charger is suitable for most battery types, including calcium, gel and AGM, wet batteries. They can also help restore exhausted sulfuric acid batteries.6. Battery type: Most types of lead-acid batteries, including calcium, GEL and AGM, wet, EFB, etc.7. Switch mode technology: yes8. Polarity protection: yes9. Output short circuit protection: yes10. Non-battery link protection: yes11. Overvoltage protection: Yes12. Overheat protection: Yes13. Cooling: fan14. Input voltage: 100-240V AC, 50-60Hz15. Rated output: 12V 8A 24V 4A16. Minimum starting voltage: 2.0V17. Battery range: 6-150Ah18. Thermal protection: 65 degrees Celsius +/- 5 degrees Celsius19. Efficiency: application. 85 degrees.20. Meet the standards: CB, CE, IEC60335, EN61000, EN5501421. Dimensions (length x width x height): 170×98×58mm22. Weight: 560gSpecification: Package Weight One Package Weight 0.75kgs / 1.65lb One Package Size 17cm * 9.8cm * 5.8cm / 6.69inch * 3.86inch * 2.28inch Qty per Carton 30 Carton Weight 22.35kgs / 49.27lb Carton Size 36cm * 32cm * 31cm / 14.17inch * 12.6inch * 12.2inch Loading Container 20GP: 746 cartons * 30 pcs = 22380 pcs40HQ: 1733 cartons * 30 pcs = 51990 pcs