Executive Summary: Coin Operated Charging Station for Global Buyers

The short version The WL-CN6 runs six sockets on multi-coin coin acceptors with anti-string mechanics, field-adjustable kWh mapping and a dual-lock cash box. 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. Hard numbers from the trial which translated into a 30% gross margin on the first container 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: Can Tho EV Charging Station Distributor Sourcing Success

The first message asked for a catalog. The real question surfaced two weeks later. Two-wheeler registrations climb across the region every quarter, but the charging hardware under bike sheds has barely changed in a decade.

Once the field units logged 5,000 charging sessions, Pham Duc Long selected Wanlin as their EV charging manufacturing partner. The contract went to the factory that could show RCD trip-time data and sealed enclosures, not the lowest quote.

• QC holds a 99.2% first-pass target, and units that fail are logged with photos for root-cause review
• RCD, surge and overload protection are function-tested on samples from every lot, not by design alone
• custom tariff tables and display languages are flashed at the factory, not left for the buyer to manage

The buyer opened a cabinet, checked the RCD rating against the invoice, and asked for the OCPP conformance log before powering up.

Problem Analysis & Field Report: Why Global Buyers Need Coin Operated Charging Station

It started with one return and grew into a spreadsheet of them. A roadside stand owner documented jammed coin slots after the rainy season, with no way to refund stranded riders.

Field case: A market operator in Can Tho replaced a mechanical slot board with the WL-CN6 after string tricks ran months of free charging. The anti-string acceptor and per-kWh mapping ended the losses, and the operator held a 30% margin on the first season of honest coin revenue.

Why it matters for global buyers:

• mechanical slots lose revenue to strings, jams and prying
• the fix was anti-string acceptors with dual-lock cash boxes
• coin-to-kWh mapping must be adjustable in the field

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 Coin Operated Charging Station

What the pilot units had in common was a single mainboard with per-port metering and a contactor rated for real monsoon humidity.

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	single-coin and multi-coin acceptors with anti-string mechanism
Tariff Mapping	coin-count to kWh or time mapping, field adjustable
Ports	6 metered sockets per cabinet
Refund Logic	auto refund on fault before charging starts
Cash Box	reinforced steel box with dual locks
Display	coin count, remaining time and kWh display
Protection	per-port overload, leakage and surge
Housing	IP54 anti-pry steel cabinet
Records	coin and kWh counters with tamper log

Application Scenarios for Global Market

Application	Model	How It Helps the User
Open market stand	WL-CN6	Cash riders pay exact kWh without wallets or cards
Street-side socket	WL-CN6	Anti-string acceptor stops the classic coin trick
Laundry-adjacent wall	WL-CN6	Jam-proof slots survive humid corners that kill rivals
Dormitory basement	WL-CN6	Field-adjustable mapping tracks utility rate changes
Rural roadside point	WL-CN6	No network, no wallet, no attendant needed

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:

• QC holds a 99.2% first-pass target, and units that fail are logged with photos for root-cause review
• RCD, surge and overload protection are function-tested on samples from every lot, not by design alone

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

The comparison table below is based on the buyer's own bench notes, not our marketing claims.

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

Sourcing teams like the process because each gate has a deliverable and a date. 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

Three buyers who ran the same evaluation shared what they told their purchasing committees.

• Somchai Prasert (EV Charging Station Distributor, Bangkok, Thailand): "The cabinet survived a monsoon season on an open shed wall. That story sold more units than our ads did."
• Nguyen Hoang Minh (Charge Point Operator, Ho Chi Minh City, Vietnam): "Load-balancing firmware is where they earned the account; the cabinet colors kept it."
• Pham Duc Long (EV Charging Station Distributor, Can Tho, Vietnam): "The sample arrived with the OCPP conformance log in the box. That sounds small until you have integrated a pile without one."

Frequently Asked Questions

Q: How does the WL-CN6 stop coin tricks?

A: The acceptor uses anti-string mechanics plus a tamper log, and the cash box sits behind dual locks in an anti-pry cabinet.

Q: Can we change the coin-to-kWh rate ourselves?

A: Yes, the mapping adjusts in the field without a technician visit, so utility rate changes do not eat the margin.

Q: What happens if a socket faults after coins are inserted?

A: The station refunds automatically before charging starts when a port reports a fault.

Q: Which coins does it accept?

A: Single-coin and multi-coin acceptors are configured to the local currency at order time.

Q: Does it need a network connection?

A: No, coin operation runs fully standalone with local counters and a tamper log.

Project Summary

Hard numbers from the trial By working directly with manufacturer Wanlin, the EV Charging Station Distributor team in Can Tho reached 30% 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