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EVDANCE Blogs

As an expert in the charging pile industry, EVDANCE has rich experience in the development and manufacturing of intelligent EV charging solutions. This is where we turn our engineering insights into knowledge and share them with the global EV community.

RFID Authentication on an EV Charger: What Gets Checked Before Charging Starts

2026年10月21日

An RFID tap only presents an ID — authentication is the check behind it. Where that check runs, what it looks at, and why a read card can still be refused.

RFID or App Control on an EV Charger: What Is the Difference?

2026年10月21日

RFID puts the credential on a card; app control puts it in a phone account. The differences that matter for guests, admin and offline use — and why sites run both.

What Is a Charger With a Lock for Public Use?

2026年10月21日

“With a lock” means two things on a public charger: the post locking the driver’s cable in session, and locking out unauthorised users. How to tell them apart.

How Accurate Is the kWh Reading on an EV Charger?

2026年10月21日

The charger counts what passes through it; the car counts what its battery kept. Why the two kWh figures differ, and when a reading may be billed from.

Single-Phase vs Three-Phase Wallbox: What Changes Inside?

2026年10月21日

From outside the difference is power. Inside, a three-phase wallbox switches and senses three live paths where a single-phase unit handles one.

Can I Use My Phone as an RFID Card for EV Charging?

2026年10月21日

Not directly — a charger’s reader expects a card-type credential. When a phone credential can exist, and the three phone routes that do work instead.

Two electric vehicles charging from a wall-mounted home EV charger in a driveway

Power Board vs Control Board: What the Split Means When an EV Charger Fails

2026年10月21日

Charger failures tend to announce which side of the control/power split failed. How to read the symptoms, report them, and route the repair.

How Does an EV Charger Measure Current?

2026年10月21日

A sensor in the power path reports the draw to the control side. That live reading enforces the charger’s limit, protects the session and makes the display.

What Is a Pre-Charge Test in DC Charging?

2026年10月21日

Before a DC charger delivers power, it checks the circuit’s insulation and matches voltage with the car’s battery. Why the pause happens — and what a failed check means.

How to Tell If an EV Charger Really Has a Solar-Only Mode

2026年10月21日

Solar-only mode means charging only from surplus rooftop power, tracked live. Many chargers use solar language without offering it. Four checks that separate a real mode from a timer.