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Before you buy an EV without a garage

Five checks, in order. Run them before the test drive, not after the delivery, because two of them change which car you should buy.

By Scooter M.Published Last reviewed
An electric car charging beside a parked vehicle

How this page is funded: the buy links below are affiliate links, and Renter Volt earns a commission on qualifying purchases at no cost to you. Nothing here was supplied by a manufacturer, and commission plays no part in the ranking — read the full disclosure. Picks are chosen from published specifications rather than hands-on testing; the method is written down so you can check it.

Two of the five checks below can change which car you should buy, so run them before you are standing in a showroom. Charging access is not a post-purchase logistics problem to be solved later — it interacts with battery size, with onboard charger rating and with connector type, and it is much cheaper to know first.

Check 1: walk to where the car will park and find the power

This is the check everybody skips. Go and look. Photograph what you find. Then identify it — a three-prong 240V receptacle and a four-prong one look similar in a phone photo and lead to different purchases.

If you find nothing at all, that is a real answer and it changes the calculation rather than ending it. Skip to check 5.

Check 2: your actual daily mileage, not your worst week

People plan charging around their annual road trip and then live with a daily commute. Look at the last month of driving instead. The number that matters is the median day, because that is what has to be replaced overnight.

What overnight charging replaces, by outlet
OutletCharging rate12 hours parked replaces roughly
120V household socketAbout 1.4-1.8 kW36-60 miles
30 amp dryer circuit at 24AAbout 5.7 kW150-200 miles
50 amp circuit at 40AAbout 9.6 kW250-350 miles

Read that table honestly against your median day. For a large share of drivers the first row is already sufficient, and if it is, the entire charging problem shrinks to owning one cable.

Check 3: which connector, and what your building already has

If your building has charging installed, look at the end of the cable. A NACS-connector building and a J1772 car are compatible for a few dollars, but you need to know that before you are surprised by it. And if you are choosing between two cars, the one whose port matches your building's existing infrastructure is worth a genuine preference — see the direction guide.

Check 4: how far the cable has to go

Measure the real route from the outlet to where the car's charge port will be. Around obstacles, not through them. Then note which side of the car the port is on, because a port on the far side costs you the width of the car in cable, and portable chargers commonly ship with 16 ft. The gauge and length chart has the arithmetic.

Quick picks

Ranked, with the reasoning underneath. Tap any row to jump to that write-up; tap the price to check it on Amazon. Prices come from the live layer, never from this page.

#ProductBest forTypePrice
1
Lectron Portable Level 1 J1772 Charger (15A, NEMA 5-15)Lectron Portable Level 1 J1772 Charger (15A, NEMA 5-15)The unglamorous answer that covers most commutes: an ordinary 120V socket, overnight, and no conversation with anybody about electrical work.
An ordinary wall socketLevel 1 EVSE
2
Grizzl-E Mini Connect Portable ChargerGrizzl-E Mini Connect Portable ChargerAdjustable from 7 to 40 amps and shipped with four plug adapters, which is the closest thing to a unit that fits whatever outlet you turn out to have.
Not knowing your outlet yetAdjustable Level 1 and 2 EVSE
Lectron Portable Level 1 J1772 Charger (15A, NEMA 5-15)

#1 · An ordinary wall socket

Lectron Portable Level 1 J1772 Charger (15A, NEMA 5-15)

The unglamorous answer that covers most commutes: an ordinary 120V socket, overnight, and no conversation with anybody about electrical work.

Published specifications for the Lectron Portable Level 1 J1772 Charger (15A, NEMA 5-15), each linked to its source
Input120V, 15A maximumsource
Output power1.8 kWsource
Cable length16 ftsource
Plug / connectorNEMA 5-15 plug, J1772 connectorsource
CertificationUL 2594 / UL 2231 certifiedsource
Manufacturer charge-rate claim45+ miles of range overnightsource

What those numbers mean

1.8 kW sounds trivial next to 9.6 kW, and for a road trip it is. For a commute it usually is not: the average US driver covers well under 45 miles a day, and this replaces that overnight while the car sits anyway.

The honest ceiling is the socket, not the cable. A 15 amp household circuit shared with a refrigerator and a space heater will trip, and the fix is a different socket rather than a different charger.

This is the only category of EV charging that is genuinely invisible to a landlord. It draws less than a hair dryer and plugs into a receptacle that already exists.

What it does well

  • Works with a socket that already exists, everywhere, with no permission needed
  • UL 2594 and UL 2231 certified rather than a generic cordset
  • Cheapest possible entry into home charging, by a wide margin

What it does not

  • 1.8 kW will not recover a long driving day overnight
  • 16 ft cable, and the nearest 120V socket is often not the nearest thing to the car

Skip this one if: You regularly drive more than about 45 miles a day. Level 1 will fall a little further behind every night and you will spend the difference at public chargers.

Grizzl-E Mini Connect Portable Charger

#2 · Not knowing your outlet yet

Grizzl-E Mini Connect Portable Charger

Adjustable from 7 to 40 amps and shipped with four plug adapters, which is the closest thing to a unit that fits whatever outlet you turn out to have.

Published specifications for the Grizzl-E Mini Connect Portable Charger, each linked to its source
Adjustable current7A to 40A (9.6 kW maximum)source
VoltageAutomatically detects 120V (Level 1) or 240V (Level 2)source
Cable length25 ft (7.6 m)source
Plug and adaptersNEMA 14-50 plug plus four included electrical adapterssource
ConnectorJ1772 or Tesla (NACS) versionssource
EnclosureUL Type 4 / IP67 ratedsource
CertificationUL tested and certified, Energy Star certifiedsource

What those numbers mean

The adjustable current is the feature that matters to a renter, and it is not a convenience. A 30 amp dryer circuit legally supports 24 amps of continuous EV load; a unit that can be set to 24 amps can use that circuit, and a fixed 40 amp unit cannot.

25 ft of cable is nine feet more than the common 16 ft, and nine feet is frequently the difference between reaching the car and not.

IP67 and a UL Type 4 enclosure describe the unit's own weather tolerance. They say nothing about the outlet it plugs into, which is usually the part that is not weather-rated.

What it does well

  • 7-40A adjustment means one unit fits a 15, 20, 30 or 50 amp circuit
  • 25 ft cable is among the longest on a portable unit
  • Four plug adapters included, so an outlet change does not mean a new charger
  • Available with either a J1772 or a NACS connector

What it does not

  • Costs meaningfully more than a fixed-amperage unit that does one job
  • The bundled adapters make it easy to plug into a circuit you have not actually checked

Skip this one if: You know exactly which outlet you have, it is not changing, and you would rather put the money into a longer cable than into adjustability you will set once and never touch.

Check 5: price the gap honestly

If home charging is not available, the running cost changes and it is worth knowing by how much before you commit. Public DC fast charging is frequently several times the price of residential electricity per kWh, and in some markets it lands close to the per-mile cost of gasoline. That does not make the car a bad decision — there are other reasons to want one — but it should be a decision made with the number in front of you rather than after the first bill.

Cost to charge shows the formula so you can run it with your own utility rate and your own local fast-charging price, and home versus public puts the two side by side.

What the checks change about the car itself

  • No 240V access? A bigger battery is worth more than a faster onboard charger, because your recovery rate is fixed and your buffer is what saves you.
  • Only a 30 amp shared circuit? A car with a high onboard charger rating buys you nothing — the circuit caps you at about 5.7 kW regardless.
  • A 50 amp outlet you can reach? Now the car's onboard charger rating matters, because it is the thing that decides whether you get 9.6 kW or half of it.
  • Building already has NACS charging? A NACS-port car removes an adapter from your daily routine, which is a small but genuine convenience.

Questions people actually ask

Should I buy an electric car if I have no garage?

For most people with any reachable outlet, yes. Run the five checks first: find the power, measure your median daily mileage against what overnight charging replaces, confirm the connector, measure the cable route, and price the gap if no home charging exists.

What if there is no outlet where I park at all?

Then price the routine that replaces home charging — workplace, destination and a weekly fast-charging stop — before you buy, because the running cost is materially different from home charging and worth knowing in advance.

Does a bigger battery help if I can only charge at 120V?

Yes. With a fixed low recovery rate, capacity is buffer. A larger battery means a heavy driving day costs you a smaller proportion of your reserve and you catch up over the following nights.

Does my car's onboard charger rating matter?

Only up to what your circuit can supply. On a 30 amp shared circuit capped at 24 amps you will see about 5.7 kW whatever the car can accept. On a 50 amp circuit the car's rating becomes the limiting factor.

Sources

Every figure on this page traces to one of these. If a number here disagrees with the manufacturer, the manufacturer is right and we want to know — tell us.

A calculator resting on an electricity bill

Guide

What it actually costs to charge

The cost arithmetic in full: cost per charge, cost per mile, and an honest comparison against gasoline using your own numbers.

Top pick: Lectron Portable Level 1 J1772 Charger (15A, NEMA 5-15)

A public electric vehicle charging station in a parking bay

Guide

Home vs public charging

The home-versus-public cost comparison for renters, plus a workable routine for anyone with no home charging at all.

Top pick: Lectron Portable Level 1 J1772 Charger (15A, NEMA 5-15)

Strands of copper electrical wire

Guide

Gauge and length: the arithmetic

Wire gauge, current and distance, with the voltage-drop formula written out and a reference table built from it.

Top pick: A2Z EV J1772 to J1772 Extension Cord, 16 ft