Looking for EV DC Charger

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Hello,Can you tell me a little bit more about this product : 1. Is this a level 3 charge?2. Is the unit North-American certified?3. Does it come with different type of adapters (i.e. Tesla, and other EV vehicle types)?4. What's the maximum it can charge before depleting the battery?5. Is the battery rechargeable? What equipment it needs for that? How long does it need to fully recharge the battery?6. If we were to go with this, we would only need one unit to test, can you do this?7. In one full charge, how much does one car get in terms of battery percentage?8. What is the capacity (in kilowatt-hours or ampere-hours) of the portable charging battery?9. What is the estimated number of charging cycles the battery can withstand?10. Can you provide details about the battery chemistry and its composition?11. What is the weight and dimensions of the portable charging battery?12. Does the battery come with any safety certifications or compliance with relevant industry standards?13. Can you share information about the warranty or guarantees offered for the battery?14. Is the battery compatible with different types of electric vehicles and charging standards?15. What are the input and output interfaces supported by the battery (e.g., AC, DC, USB)?16. Can you provide information on any additional features or functionalities of the battery (e.g., display, built-in safety mechanisms)?17. Are there any special storage or operating conditions for the battery (e.g., temperature range, humidity)?18. Can you provide references or testimonials from other customers who have used this battery for electric vehicles?19. What is the expected lifespan of the battery before it starts to degrade in performance?20. How does the battery handle issues like overcharging, over-discharging, or short-circuiting?Thank you very much