Zaptec Go 2 vs Wallbox Quasar 2

> V2G boundary: A “V2G-ready” label or ISO 15118 support does not by itself provide bidirectional power conversion, export approval or a live energy service. Confirm the compatible car, genuinely bidirectional hardware, certified complete system, installer, service and network approval before assigning value to the claim. Read the UK V2G explainer.

A £5,462 gap and the question it asks

These two chargers occupy the same conversation — vehicle-to-grid — but they sit at opposite ends of it. The Zaptec Go 2 costs £638, charges your car at up to 7.4 kW on a single-phase supply, and publishes ISO 15118 communication support. Zaptec says that does not currently make it a registrable UK V2G installation; a certified complete system is required. The Wallbox Quasar 2 is bidirectional DC hardware whose usable UK capability still depends on the car, certified system, installer, service and network approval.

• Zaptec Go 2 — £638 AC charger with ISO 15118 communication support, a five-year warranty and OZEV eligibility. It does not provide a live V2G installation by itself.
• Wallbox Quasar 2 — bidirectional DC product hardware, UK pre-registration only. Usable V2H or V2G still depends on a compatible car, certified complete system, installer, service and network approval.

The £5,462 between them is not a premium for a nicer charger. It is the price of a different category of product.

What the Quasar 2 actually buys you

The Quasar 2 is not a wallbox with extras bolted on. It is a DC power converter that happens to mount on a wall. It takes electricity from the grid, converts it to DC, and pushes it into your car's battery via CCS2 — then reverses the process, pulling DC back out and feeding your house or exporting to the grid. That bidirectional loop at up to 12.8 kW is something no AC charger can do, regardless of firmware updates or certification stickers.

The catch is compatibility. The list of cars whose CCS ports accept bidirectional DC from a home unit is short. The Kia EV9 is the headline name. More manufacturers are expected, but "expected" is doing heavy lifting. And the installation is a different animal entirely: a DNO G99 application with a 30–60 working-day lead time, a specialist installer, and an all-in cost likely north of £7,600. The £500 OZEV grant does not apply to bidirectional DC units. The warranty is 3 years — shorter than many AC chargers costing a tenth of the price.

None of this makes the Quasar 2 a bad product. It makes it an early-adopter product, priced and distributed accordingly.

Where the Zaptec Go 2 stands on its own

Strip away the V2G conversation and the Go 2 is still a solid mid-range AC charger. The MID-approved energy meter gives legally certified readings — useful for workplace reimbursement or landlord billing. Built-in 4G is subscription-free, so it stays connected even if your Wi-Fi drops. At 3.2 kg it is one of the lightest units on the market, and the 5-year warranty sits above average.

It is untethered only, which means you supply your own Type 2 cable. The app is functional rather than polished. And at £638, it costs £149 more than the Easee One — a gap justified by present-day features only if its MID meter, 4G, warranty or three-phase support matters to you. For tariff-smart charging, the Ohme Home Pro at £539 automates the half-hourly rate chasing that the Zaptec leaves to manual scheduling. The NexBlue Point 2 at £534 also publishes modern communication support, but neither product should be valued as a live V2G system.

On a tariff like Octopus Go — 8.5p/kWh between 00:30 and 05:30 — the Zaptec's scheduled charging handles the job. On Octopus Agile, where rates shift every 30 minutes, you would want the Ohme's automation instead.

The V2G-ready question — is the Zaptec's bet worth taking?

The Go 2's V2G-ready label means its hardware and firmware are certified to support AC vehicle-to-grid when the wider ecosystem catches up: car manufacturers enabling it, DNOs approving domestic AC export, tariffs rewarding it. That ecosystem is not here yet. It may arrive within the Go 2's 5-year warranty window; it may not.

What the certification does give you is optionality at a modest cost. You are not paying £6,100 for a capability your car probably cannot use. You are paying £638 for a charger that works today and might do more tomorrow. The downside is limited to the £149 over an Easee One or the £99 over the Ohme Home Pro — not life-altering sums. For a deeper look at how the Zaptec compares to another V2G-focused AC unit, the Zaptec Go 2 vs Indra Smart PRO comparison covers that ground.

The verdict

Buy the Zaptec Go 2 if:

• You want a capable AC charger today with a credible V2G-ready position for tomorrow
• The MID-approved meter or subscription-free 4G solves a specific problem for you
• You are not prepared to spend £6,100+ on hardware for a feature your car likely cannot use yet

Buy the Wallbox Quasar 2 if:

• You own (or have ordered) a car with confirmed bidirectional CCS support — the Kia EV9 being the current example
• You have a V2G export tariff or time-of-use arrangement that makes the payback arithmetic work
• You understand the install complexity, the DNO timeline, and the 3-year warranty, and you accept all three

For the overwhelming majority of UK households in 2026, the Zaptec Go 2 is the sensible wall-mount. It charges your car, it holds a forward-looking position, and it leaves you £5,462 to spend on electricity — or, for that matter, a home battery that delivers backup power without waiting for your car's manufacturer to flip a switch. The Quasar 2 is a fascinating piece of hardware aimed at a market that barely exists yet. When that market arrives, it will matter enormously. Today, the Zaptec does the job.