Tesla Wall Connector vs EO Mini Pro 3: size or cable length?

The size question, and what £72 buys

Two tethered 7kW chargers, £72 apart, aimed at quite different walls. The Tesla Wall Connector (Gen 3) is £478, 353mm tall, with a 7.3-metre cable — the longest in this round-up. The EO Mini Pro 3 is £550, 215mm tall, with a 5-metre cable — and it is, genuinely, the smallest mainstream charger sold in the UK.

That's the axis the decision turns on. Not smart features, not warranty, not app polish. Physical space and reach.

• Tesla Wall Connector — the default for a Tesla owner with room to mount it. Longer cable, lower price, native app.
• EO Mini Pro 3 — the charger for the wall that can't take anything else. A5-sized, solar-ready out of the box, OZEV-approved.

When the EO's size actually matters

Most buyers overestimate how much wall they have and underestimate how much cable they need. A 7.3-metre tether on the Tesla reaches around a parked car, across a driveway, or through an awkward door gap in a way that a 5-metre cable cannot. If your parking spot and your meter cupboard are on opposite sides of a garage, the Tesla wins before you've opened the app.

The EO earns its place when the wall dictates the unit. Narrow returns beside a doorway, recessed alcoves, porch walls where anything chunkier looks ridiculous — the Mini Pro 3 fits where the Tesla, the Hypervolt Home 3 Pro, and most others do not. It is also IP54 rated against the Tesla's IP44, which matters on a fully exposed wall with no overhang.

One more thing the EO has that the Tesla doesn't: a CT clamp in the box for solar diversion. It's basic next to what a Zappi GLO does, but it's there, included, no extras to buy. If you have a small PV array and just want surplus going into the car rather than back to the grid at export rates, the EO handles it. Serious solar owners should read the Zappi GLO comparison instead.

The grant, and the British Gas wrinkle

The EO is OZEV-approved. The Tesla isn't. For eligible renters and flat owners, the £500 grant wipes out almost the entire £550 unit cost of the EO and contributes to the install. For the same buyer looking at the Tesla, there is no grant at all. That single fact can flip the economics entirely — a grant-eligible buyer pays roughly £50 for the EO unit versus £478 for the Tesla. If you qualify, the comparison is over.

If you don't qualify — and most homeowners don't — the Tesla is £72 cheaper at the till and that's that.

The other wrinkle is British Gas. The Hive Power+ version of the Mini Pro 3 credits back 25% of charging costs on the EV Power+ tariff. That's a structural discount no other charger in this catalogue offers, and over a few years of driving it compounds into real money. It only works if you're a British Gas customer and stay one. If you're on Octopus, it's irrelevant — and Octopus Intelligent Go at 7p/kWh is probably the better tariff anyway.

Smart features, honestly

Both do scheduled charging. Both have apps. Neither is a tariff-chasing charger in the sense that the Ohme Home Pro is — if you're on Octopus Agile and want the charger to hunt half-hourly rates, look at the Tesla vs Ohme comparison instead.

The EO has one connectivity trick worth naming: Ethernet alongside Wi-Fi, and an optional 4G module. For a charger mounted deep in a stone garage where Wi-Fi dies, that's a practical answer. The Tesla is Wi-Fi only.

Otherwise, the Tesla's app is tighter, the OTA updates are more frequent, and power sharing across up to six units means nothing to a single-car household but matters in a two-EV drive. The EO's app is functional, not loved.

Which to buy

Buy the Tesla Wall Connector (Gen 3) if:

• You drive a Tesla and have room for a 353mm unit with a 7.3-metre cable
• You're not eligible for the OZEV grant
• You want the cheaper option at £478

Buy the EO Mini Pro 3 if:

• Your mounting spot physically cannot take a larger charger
• You qualify for the £500 OZEV grant
• You're a British Gas customer using Hive Power+ with EV Power+ cashback

If the wall can take either, the Tesla is the unit I'd mount. Longer cable, lower price, better app, four-year warranty against the EO's three. The EO is a specialist's answer — and when it's the right answer, nothing else on the market will do.