Core Feature

Session & Transaction Tracking

Every charging session captured with Wh precision. From StartTransaction to StopTransaction — complete visibility for billing, audits, and customer support.

The Problem

Operators need accurate energy accounting for billing, session history for customer disputes, and visibility across all connectors. Many platforms treat sessions as black boxes — you get totals but no transparency into the underlying OCPP events.

What You Get

StartTransaction Tracking

Captures session initiation with ID tag, connector, and timestamp

StopTransaction Accuracy

Precise energy (Wh) and duration at session end

Live Session Monitoring

Real-time view of active sessions with SoC updates

MeterValue Streaming

Periodic energy readings during charging

Session History Archive

30-day searchable history for audits and disputes

Connection Loss Recovery

Sessions persist and resume after network issues

Session Detail View

Transaction #12847Completed

Energy

24.7 kWh

Duration

1h 23m

Cost

₹432

Real-World Use Cases

Billing Accuracy

Before

Customer disputes energy billed vs. actually delivered

With Chargify

Pull session details with MeterValue history → Show exact Wh delivered → Resolve dispute with protocol-level evidence

Live Session Dashboard

Before

No visibility into ongoing sessions across 20 chargers

With Chargify

Active sessions view shows all in-progress charges → Energy delivered so far → Estimated completion time

Session Recovery

Before

Charger loses connection mid-session, data lost

With Chargify

Chargify maintains session state → Reconnection resumes tracking → StopTransaction captured when available

Data Captured Per Session

Transaction ID

Unique identifier

Energy (Wh)

Total delivered

Duration

Start to stop

Connector

Port used

ID Tag

RFID/auth token

Cost

Calculated amount

Technical Specifications

Data Source

OCPP Events

Energy Accuracy

Wh precision

Update Frequency

Per MeterValue

History Retention

30 days

Export Formats

JSON, CSV

Recovery

Auto-resume

Why This Matters

Sessions tied directly to OCPP events — no black boxes. Every StartTransaction and StopTransaction creates an auditable record with protocol-level evidence.

Accurate billing data
Complete session history
Resolve disputes fast
Audit-ready records

Related Features

OCPP Log Inspector
Real-Time Monitoring
Analytics
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