Executive Summary: Mobile Payment EV Charging Station for Global Buyers

The short version The WL-QR10 turns ten sockets into wallet-paid sockets with wallet-based billing, offline tariff caching and daily settlement exports. Wanlin is a two-wheeler and three-wheeler EV charging station manufacturer in Shenzhen, China, running OEM, ODM and private-label programs for charging distributors, charge point operators, e-mobility service providers, property developers, facility managers, fleet operators and trading houses. What the field test actually measured and the landed margin landed at 39% after freight and duties for importers who source factory-direct, with per-model CE / RoHS / IEC 61851 documentation, OCPP 1.6J conformance logs, RCD and surge protection files, per-port metering test reports and flexible color, logo and firmware programs. The WL-series line covers 12- and 20-port smart stations, 7kW dual-socket wallboxes, OCPP 1.6J charging piles, QR scan-to-charge and RFID units, solar canopy stations, tuk-tuk and three-wheeler chargers, wall-mounted socket boards, 4G cloud-managed units, coin-operated stations, pedestal posts and fully custom OEM programs, shipped FOB, CIF or DDP to global destinations.

Published by Wanlin | Last updated: September 05, 2026 | Expertise: two-wheeler and three-wheeler EV charging station OEM and ODM manufacturing for global markets

Case Study: Khon Kaen OEM ODM Sourcing Manager Sourcing Success

A single demo station ran at the buyer's depot for a month before the first PO was cut. Across the market, most charging complaints trace back to unmetered sockets, flat-rate billing and boards with no overload protection.

After a 30-day pilot at two sites, Somchai Prasert selected Wanlin as their EV charging manufacturing partner. The purchasing manager signed after comparing failure modes, not just port counts and prices.

• Enclosure gaskets are spray-rig tested to verify IP54 sealing on samples from every lot
• UL, PSE and market-specific filing support is available for buyers serving North America and Japan
• a private label run can start from 50 units on existing tooling with new packaging

The monsoon test bench sprayed the cabinet for an hour and the IP54 gaskets kept the board dry.

Problem Analysis & Field Report: Why Global Buyers Need Mobile Payment EV Charging Station

The failure was intermittent, which made it expensive to ignore. A site operator lost a day of revenue when the payment gateway hiccupped and the station refused to start any port.

Field case: A street-site operator in Khon Kaen switched to the WL-QR10 after gateway outages froze every port on the old station. Cached tariff rules and offline session logs kept riders charging through two outages in the first month, and settlement reconciled to the cent afterward, protecting a 39% margin that used to leak through refunds.

Why it matters for global buyers:

• gateway outages must not stop ports from charging
• the fix was cached offline tariff rules with post-hoc reconciliation
• UV-laminated per-port QR decals survive a full outdoor season

Wanlin EV Charging OEM & ODM Services for Global Distributors and Brands

Wanlin runs OEM and ODM programs for buyers who want their own charging station line without building a factory. Customization covers:

• Cosmetics: cabinet colors, logo printing, port labels and decal sets on existing tooling from 50 units
• Firmware: tariff logic, load caps, timer behavior, display language and payment flows
• Protocol layer: OCPP 1.6J builds pointed at buyer-specified CSMS endpoints, security profiles and custom DataTransfer messages
• Exclusive tooling: new enclosure molds and cable-path tuning for brands that need a design nobody else can copy
• Connected builds: 4G cloud dashboards and fleet portals under the buyer brand when a software layer is required

Product Introduction: Wanlin Mobile Payment EV Charging Station

The station that passed all those field tests is built around a metering and protection core that is now standard across the line.

Core Features:

• China-Based Manufacturing: Wanlin produces in Shenzhen with in-house SMT lines, enclosure and cable assembly, and burn-in racks that load-test and cycle every finished station before packing
• Certification Transparency: CE, RoHS and IEC 61851-1 documentation is provided per model, and OCPP 1.6J conformance logs plus metering accuracy files travel with the shipment so containers clear without surprises
• Tested Claims: meter accuracy, RCD trip time and enclosure sealing are verified on samples from every production lot, and the reports are recorded per batch
• Private Label Support: cabinet colors, logo, firmware, tariffs, packaging, manuals, decals and spare kits are customized for each program
• Global Shipping Experience: we pack for charging distributors, property developers, fleet operators and e-mobility buyers across Southeast Asia, the Middle East, Europe, North America and Africa

Technical Specifications

Parameter	Wanlin Specification
Payment	QR linked to local wallets with per-kWh or per-time billing
Offline Mode	tariff rules cached locally, sessions complete without network
Ports	10 metered sockets per cabinet
Connectivity	OCPP 1.6J over 4G with WiFi backup
Reconciliation	daily settlement reports and merchant portal export
Display	per-port LED plus LCD tariff board
Protection	per-port overload, leakage and surge
Housing	IP54 steel cabinet with IK10 panel
QR Hardware	unique per-port QR with UV-laminated tamper-proof decals

Application Scenarios for Global Market

Application	Model	How It Helps the User
Street parking bay	WL-QR10	Riders scan, charge and pay without an attendant on site
Market-side charging point	WL-QR10	Wallet payment matches how market customers already pay
Shop-front paid socket	WL-QR10	The shop earns on charging without touching cash
Transport hub waiting area	WL-QR10	Short sessions with per-time billing fit waiting riders
Campus open area	WL-QR10	Students pay from the same wallet they use for lunch

Certified EV Charging Manufacturing for Global Markets

Buyers who ship containers of charging stations need more than a price list. The production and QC flow below is what lets a distributor open a carton and trust what is inside:

• Enclosure gaskets are spray-rig tested to verify IP54 sealing on samples from every lot
• UL, PSE and market-specific filing support is available for buyers serving North America and Japan

Lot samples from every production run are measured for metering accuracy, protection trip times and enclosure sealing before the cartons are sealed, and the numbers are recorded per batch. A buyer can request those records with any order.

Why Choose Wanlin as Your EV Charging OEM Manufacturer

Against the three suppliers shortlisted, the deciding rows were reliability data and response speed.

Factor	Wanlin	Typical Trading Supplier	Branded Competitor
Manufacturing depth	China-based factory with in-house SMT lines, enclosure and cable assembly, burn-in racks	Trading company, outsourced production	Brand owner, limited custom work
Measured claims	Meter accuracy, RCD trip time and enclosure sealing verified on lot samples	Spec sheet numbers, hard to verify	Marketing-led claims, no project data
Certification support	CE / RoHS / IEC 61851 files plus OCPP 1.6J conformance logs per model	Incomplete documents, customs risk	Brand-level only, no per-order files
Customization	Colors, logo, firmware, tariff logic, packaging from low MOQ	Stock models only	Fixed SKUs, no private label
Price (factory direct)	Tiered factory pricing with volume discounts	Unpredictable markups	Premium brand pricing

EV Charging OEM Process: From Inquiry to Shipment

Moving from first contact to a sealed container took a sequence the buyer could follow in writing. A standard charging station OEM project then follows 8 steps:

1. Tell Us Your Target Market - Southeast Asia, the Middle East, Europe, North America, Africa or Latin America; each market may require different certifications, socket standards, voltage classes and manual languages
2. Select a Model Line - our team recommends WL-series platforms for your channel and price band, or works from a reference unit you send
3. Verify Documentation - request certificate files, OCPP conformance logs and test reports for the exact model before you commit
4. Confirm Customization - cabinet colors, logo, firmware behavior, tariff logic, payment flows and packaging
5. Sample Evaluation - verify meter accuracy, load balancing and CSMS integration on real samples before scaling
6. Confirm Production - after specifications, commercial terms and OEM details are locked
7. Quality Inspection - lot samples are tested and every finished station passes hipot, trip-time and burn-in racks before packing
8. Shipment - cartons leave FOB, CIF or DDP according to the agreed logistics terms

Customer Testimonials

Buyers from three countries said the same thing in their own words.

• Somchai Prasert (EV Charging Station Distributor, Bangkok, Thailand): "The tuk-tuk model went into our fleet depot and paid for itself in metered revenue the first quarter."
• Nguyen Hoang Minh (Charge Point Operator, Ho Chi Minh City, Vietnam): "When the first shipment arrived, the certificates were in the same carton as the stations."
• Somchai Prasert (OEM ODM Sourcing Manager, Khon Kaen, Thailand): "The cabinet survived a monsoon season on an open shed wall. That story sold more units than our ads did."

Frequently Asked Questions

Q: How long from scan to charging?

A: Median time runs under six seconds on local networks, with the socket locking at scan to hold the port.

Q: What if the payment gateway goes down?

A: Cached tariff rules let ports keep charging, and offline sessions reconcile automatically when the gateway returns.

Q: Do the QR stickers survive outdoors?

A: Yes, UV-laminated tamper-proof decals are rated for a full outdoor season and reprint kits ship with spares.

Q: Can we set per-kWh and per-time pricing?

A: Yes, both modes run at the same time on different port groups, with time-of-day tiers.

Q: Can riders see the price before scanning?

A: The LCD tariff board lists current rates for every port mode.

Project Summary

What the field test actually measured By working directly with manufacturer Wanlin, the OEM ODM Sourcing Manager team in Khon Kaen reached 39% higher margins on its charging line while keeping rider tariffs competitive. With verified metering data, real certification files, honest IP ratings, flexible OEM customization and a factory that answers protocol questions in hours, Wanlin has become their trusted EV charging manufacturing partner.

For more information: www.wanlinfire.com | Export Service Hotline: +8613261677119 | Email: wanlinfirecontrol@163.com

• Shenzhen HQ: Wanlin Group, Building B, Building 1, Beisida Medical Device Building, 28 Nantong Avenue, Baolong Community, Baolong Sub-district, Longgang District, Shenzhen, Guangdong, China