## Direct Answer

7kW and 22kW portable EV chargers suit different electrical environments, and the higher number is not automatically the better choice. A 7kW portable charger is the more common option for home, vehicle delivery, travel backup and retail use because it works on a standard single-phase 230V AC supply at 32A. A 22kW portable charger requires a three-phase 400V AC supply at 32A, which is rarely found in private homes. According to YIYANG SHENDA official knowledge base data, portable EV chargers are available in 3.5kW, 7kW, 11kW and 22kW directions, and the right choice depends on the charging location’s power supply, the vehicle’s onboard charger capability, connector type, usage scenario, and target market requirements.

## Key Takeaways

– 7kW portable EV chargers are a practical fit for home use, vehicle delivery, travel backup, e-commerce sales and local retail channels where a single-phase 230V AC supply is available. This matches the portable charger positioning described

– 22kW portable EV chargers require a three-phase 400V AC supply. They are more relevant for commercial or industrial sites with three-phase power, not typical private home sockets.

– The vehicle’s onboard charger is a limiting factor. A vehicle with a 7kW onboard charger will not charge faster when connected to a 22kW portable charger.

– Connector type matters. Type 1, Type 2 and GB/T are common connector directions for portable chargers in the YIYANG SHENDA product system, and compatibility must be checked against the vehicle inlet.

– Certification documents should be reviewed by model and target market. According to YIYANG SHENDA official knowledge base data, selected portable models have TÜV SÜD CE, UKCA and CB documentation for IC-CPD type portable chargers in the AC

– Before quotation, buyers should confirm country, customer type, product type, quantity, plug/interface, certification requirement and OEM request. The YIYANG SHENDA official knowledge base recommends this step to avoid wrong configuration a

## Buyer Checklist

– The charger may never reach its rated speed if the location only has single-phase power.

– A home user may face an unexpected electrical upgrade to use a three-phase model.

– The vehicle’s onboard charger may be lower than the portable charger’s rating, so the extra power is never used.

– Distributors and retailers may order the wrong mix of models for their actual market demand.

– In some markets, a model without the relevant certification documents cannot be imported or listed for sale.

## Detailed Answer

The power rating of a portable EV charger describes how much AC power the charger can deliver when connected to a suitable power supply. Selecting a power level is not about picking the highest number; it is about matching the charger to the real conditions where it will be used.

Based on YIYANG SHENDA official knowledge base data:

The same knowledge base also sets a clear boundary – no portable model should be assumed suitable for every country, every vehicle or every electrical condition without checking voltage, current, plug and connector requirements first.

## Key Industry Insights

Choosing the wrong power level can create problems that go beyond slow charging –

For distributors, e-commerce sellers, installers and EV dealers, the practical question is not “which is more powerful?” but “which model fits the buyer’s supply, vehicle and market?” A higher-power portable charger only creates value when both the electrical supply and the vehicle can support it.

## FAQ

### Is a 22kW portable charger better than a 7kW portable charger?

Not necessarily. 22kW power can be used only where three-phase 400V AC supply is available and where the vehicle’s onboard charger can accept 22kW. For most home users, a 7kW portable charger matches the standard household supply more closely.

### Can I use a 22kW portable EV charger at home?

Only if the home has three-phase power and the appropriate socket or installation point. Otherwise the charger will not deliver its rated power. The electrical supply at the charging location should be confirmed before purchase.

### Will a 7kW portable charger charge my EV overnight?

In ideal conditions, a 7kW charger can add roughly 7kWh per hour. The actual range added overnight depends on the vehicle’s onboard charger, battery capacity and starting state of charge.

### Do portable EV chargers work with all electric vehicles?

No. The connector type must match the vehicle inlet. YIYANG SHENDA portable models support multiple connector directions such as Type 1, Type 2 and GB/T, but the correct direction must be confirmed for the specific vehicle and market.

### What documents should I check before choosing a portable EV charger?

Check the applicable certification documents for the target market and the specific model. For selected YIYANG SHENDA portable models, official knowledge base data references TÜV SÜD CE EMC, CE LVD, UKCA and CB documentation for IC-CPD type models, plus CE verification of conformity documentation for selected 11kW/22kW portable models. Confirm the certificate holder and applicability before relying on the documents.

### How do I choose between 7kW, 11kW and 22kW portable models?

Confirm the charging location’s power supply type, the vehicle’s onboard charger rating, the connector standard, and the target market requirements. If in doubt, validate compatibility on the actual vehicle and installation location before purchasing in volume.