Joybuy Insights

Electric Charger: How to Choose the Right Model for Your Vehicle or Devices

An electric charger can refer to anything from a car charging point to a 12V battery charger, a USB-C adapter or a power bank. This variety doesn't make choosing any easier: a very powerful model isn't necessarily compatible with your setup, and the phrase "fast charging" doesn't guarantee the same charging time from one device to another.

Before placing an order, three mistakes crop up time and again among private buyers in the UK:

  • Confusing maximum power with the power actually available: a 7kW charging point requires an electrical installation capable of supplying the corresponding current.
  • Overlooking connector compatibility: a Type 2 EV charger works with vehicles fitted with a Type 2 socket that complies with the IEC 62196-2 standard, but not with all DC fast-charging configurations.
  • Underestimating the conditions of use: adequate IP protection, a properly earthed socket and a cable long enough are often more important than a simple marketing claim.

The parameters to check before buying

1. Power, current and type of current

For an electric or plug-in hybrid vehicle, start by checking the power your car can accept and what your home installation can supply.

  • A portable EV charger plugged into a standard UK 3-pin socket typically delivers up to 3.5 or 3.68kW, with an adjustable current between 8A and 16A depending on the model.
  • A single-phase charging station rated at 7kW to 7.6kW can operate at up to 32A, provided it is connected to a suitable circuit.
  • A wallbox cannot exceed the power your vehicle supports – charging is always limited by the car's onboard charger.

For prolonged use at 16A, choose a UK 3-pin socket that is in perfect condition, properly earthed and, if possible, on a dedicated circuit. For a 32A wallbox, you must have a qualified electrician carry out the installation. The WOLFBOX AE07 model, for example, recommends installation by an approved electrician on a separate circuit with the correct residual current protection.

2. Connector and battery compatibility

A Type 2 EV charger must match your vehicle's socket. The IEC 62196-2 standard is common on electric cars and plug-in hybrids sold in Europe. Also remember to check:

  • whether your car accepts single-phase or three-phase charging;
  • the cable length, especially if your garage or parking space is some distance away;
  • whether there is protection against AC and DC leakage currents;
  • the chemical compatibility for a car battery charger: lead-acid, AGM, GEL, SLA, EFB, lithium or LiFePO4.

A versatile 12V and 24V battery charger must not be used without selecting the correct mode for your battery. For a motorbike, scooter or lawnmower, a compact 2A model may be sufficient. For a boat, lorry or large-capacity car battery, check the current and charging programme carefully.

3. Protections and practical features

The protections to look for include overvoltage, overheating, short-circuit, reverse polarity and leakage current protection. For outdoor use, water resistance should be interpreted with care: IP65 protects against dust and water jets, but does not mean the device can be submerged.

A timer, off-peak programming or a smart charger with an app can make daily use much easier. However, the app depends on your Wi-Fi connection, your phone and sometimes a third-party service. For a portable device, simple, reliable operation may be preferable to a connected feature you will hardly ever use.

Our selection based on your profile

Recommended for: Beginners on a budget
GONEO Portable Type 2 EV Charger

GONEO Portable Type 2 EV Charger

Why this choice suits this profile: This portable charger is ideal for drivers who want to start charging their car at home or take it with them, without installing a wallbox.

How this product avoids the pitfall

Voltage, current and charge status are displayed, while the current can be adjusted up to 16A. The listing also mentions earth detection and residual current protection.

Key feature and highlights

Maximum power rated at 3.68kW, 5m cable, adjustable timer from 0 to 8 hours and protection against overheating and overvoltage.

Recommended for: Premium enthusiasts
feyree EV Charger Type2 32A 7.6kW

feyree EV Charger Type2 32A 7.6kW

Why this choice suits this profile: This wallbox is aimed at households that charge their vehicle regularly and want to monitor their consumption from their phone.

How this product avoids the pitfall

The dynamic load balancing function adjusts the current according to the consumption of other appliances in the home, reducing the risk of overloading the circuit.

Key feature and highlights

Adjustable up to 32A, rated power of 7.6kW, colour display, Tuya app, programmable timer and Type B residual current protection indicated.

Recommended for: Specialist and heavy-duty use
EAFC Portable Car Battery Charger 12V 24V

EAFC Portable Car Battery Charger 12V and 24V

Why this choice suits this profile: It is suitable for motorists, bikers, boat owners and anyone with garden machinery who maintains several types of batteries.

How this product avoids the pitfall

Its seven modes let you select the battery type. The listing states that the pulse repair function is not suitable for completely flat or damaged batteries.

Key feature and highlights

Compatibility stated for 12V and 24V batteries, maximum current of 20A in 12V mode, colour display and 2m cable.

Recommended for: Office, travel and mobile devices
Samsung Power Bank P4520 20000 mAh 45 W

Samsung Power Bank P4520 20,000mAh, 45W

Why this choice suits this profile: This 20,000mAh power bank meets the needs of Samsung smartphone, iPhone, tablet or USB-C accessory users on the move.

How this product avoids the pitfall

The capacity, maximum power and number of ports are listed separately: three devices can be plugged in, but the available power depends on the combination used.

Key feature and highlights

Three USB-C ports, maximum power rated at 45W and a 5A USB-C to USB-C cable supplied.

Looking for other options?

We have put together a comprehensive, real-time updated selection of products that meet these demanding criteria, as well as European safety regulations.

Which electric charger for which use?

For a phone or earphones, choose a fast wireless charger or a 65W USB-C charger depending on the power your device can accept. The Baseus Cube Pro, for example, has two USB-C ports and one USB port, with a maximum power of 65W on one of the USB-C ports.

For an electric car, compare the parking time available, your electricity supply capacity and the cable length. A slow overnight charge can easily cover your daily journeys, without needing to install a more powerful charging point.

FAQ

How much does it cost to use an electric charger?

The cost depends on the energy consumed, the charger's efficiency and your electricity tariff. To estimate it, multiply the energy used in kWh by the price per kWh shown on your contract. Programming charging during off-peak hours can reduce your bill, but whether it is worthwhile depends on the difference between peak and off-peak rates and your usage habits.

Can you plug a 7kW charging point into a domestic socket?

A fixed 7kW charging point is not designed to be plugged directly into a standard socket. It must be installed on a circuit rated for the required current, with the necessary protections. For a domestic socket, choose a portable charger limited to a current that is compatible with your installation.

What is the lifespan of a car battery charger?

It depends on how often you use it, storage conditions, humidity and whether you observe correct polarity. Store the device in a dry place, protect it from knocks and regularly inspect the cable, clips and casing. A crack, a cable that gets hot or a battery that swells means you should stop using it immediately.