Enphase IQ EV Charger 2 vs Wallbox Quasar 2: £779 AC or £6,100 bidirectional DC

A £5,321 gap and two different centuries of thinking

These two chargers do not compete. They occupy different categories, different price tiers, and — for most buyers — different decades. The Enphase IQ EV Charger 2 is a £779 unidirectional AC wallbox that slots into an Enphase solar ecosystem. The Wallbox Quasar 2 is a £6,100 bidirectional DC unit that can push power *back* from your car into the house or the grid. The price gap is £5,321 before installation, and the Quasar 2's install runs £1,500–£3,000+ against the Enphase's £900–£1,300.

The comparison still matters, because the question a solar-owning, future-facing buyer asks is a fair one: should I spend big now on bidirectional, or buy a sensible AC charger and wait?

• Enphase IQ EV Charger 2 — a 7.4 kW AC charger built to be the fourth appliance in an Enphase solar-and-battery home. £779.
• Wallbox Quasar 2 — a 12.8 kW bidirectional DC charger that treats your car as a home battery. £6,100, pre-registration only.

Why the Enphase exists — and where it doesn't

The Enphase earns its place on one condition: you already have Enphase IQ microinverters and, ideally, an IQ Battery. In that context, the single-app control is the argument. Solar surplus as low as 1.38 kW triggers charging, current adjusts in 1 A increments roughly every 30 seconds, and the AI-led source selection juggles panels, battery and grid without you opening a second app.

Outside that ecosystem, the £779 price is hard to justify. The myenergi Zappi GLO does solar diversion for £750 with broader inverter compatibility and OZEV approval. The Ohme Home Pro at £535 is the better pure-tariff charger, with direct Octopus Intelligent Go integration the Enphase lacks. And neither the Enphase nor the Quasar 2 is confirmed on the OZEV-approved list — so the £500 grant is off the table for both, while most of the field qualifies.

The Enphase does have a 7.5-metre cable, a five-year warranty, MID-certified metering and IP55/IK10 build. Those are solid credentials. They just don't distinguish it from chargers that cost hundreds less unless the Enphase ecosystem is already on the wall.

What the Quasar 2 promises — and what it can't deliver yet

Bidirectional DC is the headline. The Quasar 2 can pull up to 12.8 kW from a compatible car's battery and feed it into your home (V2H) or export it to the grid (V2G). In theory, your 77 kWh EV battery becomes a giant Powerwall, arbitraging cheap overnight electricity against peak rates — or keeping the lights on during a power cut.

The caveats are load-bearing. The compatible car list today is essentially the Kia EV9. Most UK Teslas use a CCS2 port but do not support bidirectional DC at the vehicle level. The Quasar 2 requires a DNO G99 application for export — 30 to 60 working days, with a possible G100 generation cap. Fewer installers are qualified for DC wallbox work. And the unit is not available to order: UK buyers can pre-register, nothing more.

At £6,100 for hardware alone and an installed total likely above £7,600, the payback arithmetic is steep. A GivEnergy EV Charger at £478 plus a GivEnergy home battery gets you time-of-use arbitrage and backup without needing your car parked on the drive. A Zaptec Go 2 at £500 is V2G-ready at the protocol level and OZEV-approved, holding the position until bidirectional hardware matures — for a tenth of the Quasar 2's price.

The warranty mismatch

The Enphase carries a five-year warranty. The Quasar 2 offers three years — UK terms unconfirmed — on a unit that costs nearly eight times as much. For a product category this young and an install this complex, three years feels thin. Early adopters should factor in the possibility that firmware updates, car-side compatibility patches and DNO rule changes may all shift under them within that window.

Which to buy

Buy the Enphase IQ EV Charger 2 if:

• You run Enphase IQ microinverters and an IQ Battery and want one app for the whole system
• You value the 7.5 m cable and five-year warranty over chasing the lowest unit price
• You accept that tariff-smart scheduling will be manual, not supplier-integrated

Buy the Wallbox Quasar 2 if:

• You own (or have ordered) a Kia EV9 or another confirmed bidirectional car
• You have a V2G export tariff lined up and have done the payback maths over at least five years
• You understand you are buying pre-registration hardware with a short warranty and a long DNO approval queue

For the vast majority of UK homes with solar panels and a Tesla on the drive, neither of these is the obvious pick. The Enphase is a fine charger trapped inside an ecosystem requirement; the Quasar 2 is a future product at a present-day price. If you want solar diversion today, the Zappi GLO at £750 does it with fewer strings. If you want tariff optimisation, the Ohme Home Pro at £535 does it better. And if you want to hold a V2G-ready position without spending £6,100, the Zaptec Go 2 at £500 is the patient choice — and patience, in bidirectional charging, is still the smartest bet.