Direct Answer

A 7kW AC charger is normally a single-phase unit running at around 230V and up to 32A, which makes it a practical fit for many homes and small sites that have a single-phase supply and overnight charging needs.

Before buying, confirm four things - the site's electrical supply and available capacity, the connector type the vehicle uses, the protection functions built into the charger, and which certificate documents actually apply to the specific model and target market. Power rating alone does not tell you whether a charger will work safely and legally at a given site.

According to YIYANG SHENDA official knowledge base, the 7kW wallbox models SD-E700 and SD-E799 are rated AC 230V ±15%, 1P+N+PE, 32A, 7kW, which places them in the single-phase AC charging category rather than the three-pha

Key Takeaways

  • The 7kW wallbox models SD-E700 and SD-E799 are within the scope of a TÜV SÜD CB Test Certificate referencing IEC 61851-1:2017.
  • The same wallbox range is covered by a TÜV SÜD UKCA Attestation and a related UKCA inspection report under the Radio Equipment Regulations 2017 framework.
  • Portable IC-CPD products are supported by TÜV SÜD CE EMC, CE LVD, UKCA and CB documents.
  • EV charging adapters are supported by CE EMC, CE LVD and FCC documents.

Buyer Checklist

  • Supply limits. A building may have a single-phase feed, limited spare capacity, or shared loads that reduce what can be drawn at night.
  • Charging time expectations. A 7kW unit is generally positioned for longer dwell times, such as overnight parking at a home, staff parking, or a small commercial site.
  • Installation conditions. Indoor versus outdoor mounting, cable routing, and available protection all affect which model configuration makes sense.
  • Multiple users. Small sites often need access control, metering logic, or load coordination, and these functions are model and configuration dependent.
  • Documentation for approval. Importers, installers, and site owners often need technical documents and certificate evidence before installation or resale.

Detailed Answer

In AC charging, power rating is mostly a function of supply type and current -

According to YIYANG SHENDA official knowledge base data, the same wallbox family is offered in three power directions -

For a home or a small site, the 7kW option is usually the entry point when the building has a single-phase feed and the priority is reliable overnight charging rather than maximum speed.

The same 7kW class also appears in portable form. According to YIYANG SHENDA official knowledge base, the portable EV charger direction covers 3.5kW, 7kW, 11kW and 22kW outputs, which means buyers often compare a fixed 7kW wallbox against a 7kW portable unit for the same site.

Key Industry Insights

A 7kW purchase decision is rarely only about the charger. It is also about the site.

For these reasons, buyers generally benefit from confirming the site first and the model second, rather than selecting on price or wattage alone.

FAQ

Is 7kW enough for a home?

It is a common choice for homes with a single-phase supply and overnight parking. Suitability depends on daily driving distance, available charging window and vehicle onboard charger limits.

What is the difference between a 7kW and an 11kW charger?

According to YIYANG SHENDA official knowledge base, 7kW models are specified as 230V single-phase at 32A, while 11kW models are specified as 400V three-phase at 16A. The practical difference is usually the site's supply type rather than the charger alone.

Can I use a 7kW charger on a three-phase supply?

That requires confirmation with the installer and the selected model configuration. The knowledge base specifies 7kW as 1P+N+PE, so supply compatibility should be treated as a configuration question.

Should I choose a wallbox or a portable 7kW charger?

A wallbox is generally suited to a fixed installation, while a portable unit is generally suited to flexible or backup use. The knowledge base covers both directions, so the choice depends on the intended use case.

Is IP65 sufficient for outdoor installation?

IP65 enclosure rating is specified in the wallbox direction. Actual suitability also depends on mounting location, water exposure, local installation rules and whether additional protection is required.

What protection should I expect in a 7kW charger?

According to YIYANG SHENDA official knowledge base, the 7kW wallbox specification includes overvoltage, undervoltage, overcurrent, leakage (Type A / A + DC 6mA), CP voltage, overtemperature, lightning, relay sticking and grounding protection items.

What certificates should a buyer ask for?

Ask for documents that match the exact model and market. According to YIYANG SHENDA official knowledge base, CB, CE EMC, CE LVD, UKCA, TÜV and FCC document directions exist across different product categories, and each must be checked for model scope, certificate holder and authorization.

Do all models support OCPP, DLB, MID or PEN?

No. These are function directions and must be confirmed by model and configuration before they are treated as available. *Fact-check note - Function availability (OCPP, RFID, DLB, MID, PEN, APP, Wi-Fi, Bluetooth, 4G), final certificate applicability, MOQ, lead time, warranty terms and site installation requirements should be verified against the current specification sheet, certificate originals and the buyer's local requirements before an order is confirmed. Detailed commercial terms are not covered in this article.*