How EV drivers can avoid broken chargers

The worst part of EV driving isn't range: it's pulling into a charging stop and finding the only unit broken, occupied or blocked by a parked petrol car. A little planning turns that gamble into a routine stop. Here's how to stack the odds in your favour.

By the Refuelia Editorial Team · Reviewed 10 July 2026

Why chargers fail in the first place

A public charger is a small computer, a payment terminal and a high-power electrical device all in one outdoor box, and any of those layers can let you down. Understanding the common failure modes helps you spot a risky stop before you rely on it.

• Payment and activation faults. A dead card reader, an app that won't authorise, or a network outage can leave a physically healthy charger unusable. This is one of the most common reasons a session simply won't start.
• Connector and cable damage. Cables get dropped, tugged and vandalised. A cracked connector, bent pins or a locking latch that won't release can take a single plug out of service while the rest of the unit works.
• Software and communication errors. The car and charger negotiate over a digital handshake. When that fails, you may see the session start and then drop, or the screen freeze mid-boot.
• Overheating or derating. On hot days or after heavy use, a charger may slow to a fraction of its rated power to protect itself, technically working, but far slower than the number on the label.
• ICE-ing. Not a hardware fault at all: a non-electric (internal-combustion-engine) vehicle parked in the charging bay. Common at retail car parks where bays aren't enforced.

Match the connector and power before you commit

A working charger you can't plug into is no better than a broken one. Filter the map by your connector: CCS, CHAdeMO, Type 2 or Tesla/NACS, so every result is one your car can actually use.

Then check the power rating against your need. A 150 kW DC unit is a coffee stop; a 7 kW AC unit is an overnight. If you're mid-trip and want a quick top-up, screen out the slow AC chargers so you don't commit to an hour you don't have. Remember that your own car caps the speed too: plugging into a 350 kW site won't help if your vehicle accepts 50.

Check recent status and driver reports before you arrive

Hardware fails, and it often fails silently: the network map still shows it as available. The most useful signal is a recent, human confirmation: a note that someone charged fine a few minutes ago tells you more than any status icon. Where a network exposes live port data, Refuelia can show whether a port is free, in use or down; pair that live "available" with a fresh driver report and you rarely arrive to a surprise.

Treat silence with caution. A charger with no recent reports isn't confirmed good: it just means nobody has checked in lately. And read the timestamps: a "working" note from three weeks ago carries far less weight than one from this morning.

Prefer sites with multiple stalls

The single most effective habit is choosing where you stop, not just what you plug into. A site with one charger has one point of failure; if it's broken or occupied, you're stranded. A site with six stalls almost always has one free, and if a unit faults you simply move along the row.

Multi-stall locations also tend to be maintained more actively and sit near amenities: food, restrooms, shelter, which makes an unexpected wait far more bearable.

Build backups into the route, not the moment

Range anxiety usually comes from having exactly one plan. The fix is to identify a fallback for each planned stop before you leave, while you still have signal and calm. Aim to reach each charger with a comfortable buffer: arriving with 15 to 20 percent in the battery gives you the range to divert to the backup if the first site disappoints.

On a longer trip, favour stops that keep you inside a cluster of other chargers rather than a lone unit at the edge of your range, so a single failure costs you minutes, not your whole journey.

A real-world scenario

Imagine a family driving to the coast for a weekend. Their planning app routes them to a single fast charger at a small retail park. Before setting off, the driver opens the Refuelia map, filters for CCS at 100 kW or more, and notices two things: the planned charger is a lone unit with no reports in days, while a service area a few minutes further on has several stalls confirmed working that morning. They pick the multi-stall site. When they arrive, one stall is indeed ICE-blocked and another is mid-session, but two are free. They charge, grab lunch, and leave a quick report confirming it worked. Ten minutes of planning saved an hour of stress.

What to do at a broken charger, and how to report it

If a session won't start, don't give up on the whole site in the first ten seconds. A few quick checks resolve a surprising number of "faults":

• Re-seat the connector. Unplug fully and plug in again, firmly. A poor connection is a common cause of a failed handshake.
• Try another stall. The fault is often in one unit, not the location. Move along the row before writing the site off.
• Restart the session your way. Switch from the card reader to the app, or vice versa, and make sure your app and payment are set up before you need them.
• Call the operator. The support number is on the unit; they can sometimes reset a charger remotely.

Whatever happens, leave a report. EV charging data goes stale fast, and thirty seconds to confirm a charger worked, or to flag that it didn't, and why saves the next driver a wasted detour. Note the specifics: which stall, what error, whether a bay was ICE-blocked. That reciprocity is the whole point of a driver-updated map, and it's what keeps the status you rely on honest.