Contactless payments are tap-to-pay transactions made with a contactless bank card or mobile wallet using NFC (near-field communication). In EV charging, contactless payments typically enable ad-hoc charging—letting drivers pay quickly at the charger without needing a subscription, app account, or roaming contract.
What Are Contactless Payments?
Contactless payments use short-range NFC communication between:
– A payment credential (card, phone, wearable)
– A contactless reader or payment terminal
Most implementations rely on EMV contactless standards and approved payment terminals. In EV charging, the payment event is linked to starting and settling a charging session.
Why Contactless Payments Matter for EV Charging
Contactless payments matter because they remove friction for occasional users and improve accessibility. They help:
– Reduce onboarding friction and “app fatigue”
– Support tourists and cross-border drivers who lack local charging accounts
– Increase trust via familiar retail payment behavior
– Improve conversion rates and charger utilization rate
– Support consumer transparency and accessibility expectations
For operators and site hosts, simpler payments can increase charging station monetization.
How Contactless Payments Work at a Charger
A typical flow includes:
– Driver plugs in or selects a connector (depending on site UX)
– Driver taps card/phone at the terminal
– A payment authorization is performed (often pre-authorization)
– The CPMS starts the charging session and applies a tariff
– When charging ends, the final amount is calculated and captured
Pre-authorization is common because the final price depends on energy and time delivered during the session.
Common Pricing Models
Contactless payments can support different tariff structures, such as:
– Pay-per-kWh
– Flat session fee
– Time-based fees
– Hybrid tariffs (kWh + time + idle fee)
Clear pricing display before session start is essential to reduce disputes and chargebacks.
Key Requirements for Reliable Contactless Charging
Successful contactless charging payments usually require:
– Certified payment terminal with appropriate contactless kernel support
– Reliable connectivity for online authorization and settlement
– Correct integration between payment events and charger control (OCPP + CPMS logic)
– Secure device management and controlled firmware updates
– Clear on-device instructions and visible support contacts
Security and Compliance Considerations
Because chargers are unattended public assets, contactless payment deployments typically need:
– Strong payment security controls (PCI-aligned payment processing through providers)
– Tamper-resistant hardware and monitoring
– Secure update pipeline and audit logs
– Fraud prevention and chargeback handling procedures
These controls protect both users and operators.
Common Pitfalls
– Assuming “contactless capable” means full card scheme coverage in every market
– Weak cellular signal causing authorization failures and abandoned sessions
– Confusing flow (tap-first vs plug-first) leading to “paid but not started” incidents
– Pre-authorization holds not explained, triggering complaints
– Inconsistent pricing across contactless, app, and charging roaming channels
– Not monitoring failed payments and user drop-offs via charging session analytics
Related Glossary Terms
Contactless Payment
Contactless Charging Payments
Contactless Kernel
Payment Processing
Charging Wallets
Charging Subscription Plans
Charging Roaming
Clearing House Billing
Charging Station Monetization
Charging Session Analytics