The Difference Between CCS1 and NACS

The CCS (Combined Charging System) and NACS (North American Charging Standard) are two different charging standards for electric vehicles (EVs) in North America. Here’s a breakdown of the key differences between them:

1. Origin and Adoption:

• CCS:
• A widely adopted industry standard used by most automakers, including Ford, Volkswagen, BMW, and Hyundai.
• It is based on the Type 1 (SAE J1772) connector for AC charging, with two additional pins for DC fast charging.
• NACS:
• Originally developed by Tesla for its EVs, it was known as the Tesla proprietary connector. In 2022, Tesla opened it up as the North American Charging Standard (NACS).
• NACS combines AC and DC charging in a smaller, streamlined connector, specifically designed for Tesla vehicles. Recently, some automakers like Ford and GM announced plans to adopt NACS.

2. Connector Design:

• CCS:
• Has a larger, bulkier design due to its additional DC pins. The connector combines the AC port (J1772) and two large DC pins at the bottom.
• NACS:
• Compact and sleek, NACS integrates both AC and DC charging into a single connector. It's smaller and easier to handle compared to CCS.

3. Charging Speed:

• CCS:
• Supports fast charging up to 350 kW in some public charging networks (like Electrify America).
• NACS:
• Tesla’s NACS can also handle fast charging up to 1 MW (1,000 kW), though most Tesla Superchargers are currently capped at 250 kW.

4. Charging Networks:

• CCS:
• Used across most non-Tesla public charging networks like Electrify America, EVgo, and ChargePoint.
• NACS:
• Predominantly used by Tesla's Supercharger network, one of the largest and most reliable fast-charging networks in North America. Tesla has also started opening its Superchargers to non-Tesla vehicles, using adapters.

5. Future Outlook:

• CCS:
• As the industry standard for most non-Tesla EVs, CCS is widely supported by charging networks, but may face more competition as automakers adopt NACS.
• NACS:
• Gaining traction as Ford, GM, and other automakers announced they will start using NACS in future EVs, meaning it could become a more common standard for EVs beyond Tesla.

Summary:

• CCS: Industry-wide standard, larger connector, used by most non-Tesla automakers, supports up to 350 kW charging.
• NACS: Tesla’s proprietary connector, smaller and more streamlined, used for Tesla vehicles but gaining wider adoption, supports up to 1 MW charging.

Both systems are essential parts of the North American EV charging ecosystem, with NACS seeing a potential expansion beyond Tesla vehicles.

In 2022, Tesla released the design of its proprietary Tesla Charging Connector to the public, prompting third-party manufacturers to make their own versions of it. This move was seen as the company's initial effort to position Tesla Superchargers as the standard in DC charging. So, Symagal adapters are your best choice.

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