Executive Summary: Off-Grid Two-Wheeler EV Charger for Global Market

TL;DR: For islands and rural sites, the WL-NOS combines a 1000W charger with a no internal buffer battery buffer, accepts NFC card, and reports over 4G without a reliable mains connection. Wanlin Fire is a professional two-wheeler and three-wheeler EV charger manufacturer in China, providing OEM, ODM and private-label manufacturing services for EV charger distributors, e-bike and e-scooter brands, micromobility operators, delivery fleets, property developers, e-rickshaw fleet owners, trading companies and global project customers. What changed: margins up 31% for importers and trading partners through factory-direct sourcing, per-model CE / FCC / RoHS / UKCA certificate files, OCPP 1.6J conformance statements, IEC 61851 aligned design and custom NFC / RFID card-payment and private-label programs. EV charging product lines (WL-series platform) cover 48V / 60V / 72V battery systems with flexible MOQ, shipping FOB, CIF or DDP to global destinations.

Published by Wanlin Fire | Last updated: September 09, 2026 | Expertise: two-wheeler and three-wheeler EV charger OEM manufacturing for global markets

Case Study: Singapore Ride-Hailing E-Bike Fleet Buyer Sourcing Success

Anucha Srisuwan, a Ride-Hailing E-Bike Fleet Buyer in Singapore, started with a single pilot site and needed a supplier that could scale from 10 card sockets to 300 without changing platform. The pilot fleet was switching from lead-acid to lithium packs, which changed both the voltage profile and the safety documents the site needed.

After checking three factories against the Singapore import rules, Anucha Srisuwan selected Wanlin Fire as their EV charging equipment manufacturing partner. What closed the deal was a load-bank test report showing every outlet holding rated current, plus the NFC reader enrolling the buyer test card during the factory visit.

• Site replication: the same card-reader model had been running under a tropical downpour test for 30 days before the Singapore order was confirmed.
• Regional paperwork: CE / FCC / RoHS certificates plus OCPP 1.6J conformance statements were prepared for the Singapore importer and attached to the commercial invoice.
• Custom card flows: the OEM team in Shenzhen configures the NFC reader, card whitelist size and QR fallback page for the Singapore operator.

A 60-socket pilot was installed in two condominium basements, and occupancy of the charging bay crossed 30% within three weeks once residents could pay by card.

Problem Analysis & Field Report: Why Global Buyers Need Off-Grid Two-Wheeler EV Charger

Field reports from fleets show the same pattern: equipment fails where the installation plan ignored protection, grounding and payment management. A rural market in Singapore had no stable supply for vendor e-rickshaws; batteries were carried home over rough roads to charge, which damaged packs and morale.

Field case: A rural cooperative in Singapore ran a solar-charged NFC station for vendor trikes and used the card data to show the utility that daytime charging demand justified a grid connection.

Why it matters for global buyers:

• A solar-ready station keeps charging available when the grid drops, which matters in touristic and rural areas
• MPPT input lets operators add panels without replacing the charging hardware later
• Card billing on an off-grid site still produces the records needed to justify grid investment
• Buffer storage smooths solar output so charging does not stop every time a cloud passes

EV Charger OEM & ODM Services for Global Distributors and Retailers

Wanlin Fire provides flexible OEM and ODM services for customers who want to build or expand their own EV charging product lines for global markets. Our customization capabilities include:

• Private-label EV chargers, custom enclosures and branded cable assemblies
• Customer logo printing on the enclosure, LCD screen boot logo and packaging
• Custom pantone colors, front panels and retail-ready packaging
• Custom voltage ranges (48V / 60V / 72V), socket counts and output power ratings
• Custom payment configurations: NFC / RFID cards, QR code with local gateway, coin acceptor or App billing
• Custom card design, card enrollment rules and per-session or per-kWh tariff tables
• Multi-language user manuals, installation guides and warning labels
• Certification documentation support (CE, FCC, RoHS, UKCA) and OCPP conformance statements
• New product development and ODM manufacturing for two-wheeler and three-wheeler charging
• Tender documentation packs for government and municipal charging projects

Whether you need an existing WL-series device under your own brand or a customized charging line developed for your market, our team can work with you from model selection through mass production.

Product Introduction: Wanlin Fire Off-Grid Two-Wheeler EV Charger

Wanlin Fire builds charging stations around three things riders and operators actually measure: reliable output under load, payment methods people already use and certificate files that clear customs.

Core Features:

• China-Based Manufacturing: Wanlin Fire is based in Shenzhen, China and focuses on two-wheeler and three-wheeler EV charging equipment, with in-house SMT production, enclosure assembly and per-unit load-bank and aging tests
• Certification Transparency: Real documentation for applicable certified models - instead of simply stating a product is "certified", buyers can verify the certificate and OCPP conformance documents for the exact model they intend to purchase
• NFC / RFID Card Payment: ISO 14443A compatible readers accept MIFARE-family and common ISO cards, with card enrollment, blocking and tariff control managed from the operator backend
• OCPP-Ready Control: chargers run OCPP 1.6J compliant firmware with 2.0.1 upgrade paths, so operators connect to their own CSMS instead of a closed vendor cloud
• Private Label Support: color, logo, card design, payment module, voltage, packaging, manuals and firmware parameters customized according to project requirements
• Global Market Experience: we work with distributors, operators and fleet owners worldwide and understand export steps, certification questions, local payment habits, labeling preferences and tender submission needs

Technical Specifications

Application Scenarios for Global Market

Certified EV Charger Manufacturing for Global Markets

Certification is one of the most important considerations when sourcing EV charging equipment for export. Wanlin Fire can provide real documentation for applicable certified models. Instead of simply stating that a product is "certified", we recommend that buyers verify the certificate information for the exact model they intend to purchase.

For customers exporting EV chargers, Wanlin Fire supports CE, FCC, RoHS and UKCA documentation with per-model files, and for projects where additional testing applies, the relevant documentation and testing path can be arranged for any represented model before ordering. Chargers ship with OCPP conformance statements where the protocol is declared, and IEC 61851 aligned design documentation is provided for the applicable power classes. Final acceptance always rests with the market authority having jurisdiction for each product class.

Why Choose Wanlin Fire as Your EV Charger OEM Manufacturer

For a Ride-Hailing E-Bike Fleet Buyer in Singapore, the deciding factor is usually a factory that answers technical questions about card enrollment and OCPP in writing within one working day.

Wanlin Fire's EV charger OEM services are suitable for: EV charger distributors, two-wheeler EV importers, e-bike brand procurement teams, e-scooter fleet operators, micromobility charging network buyers, e-rickshaw fleet owners, RFID charging network buyers, charging infrastructure wholesalers, property developers, delivery fleet managers, retail charger buyers, trading company sourcing managers, community charging project managers, utility partnership buyers and government mobility project officers.

EV Charger OEM Process: From Inquiry to Shipment

The OEM process for a Singapore importer starts with a voltage, card format and payment survey, then moves to samples, container QC and OCPP backend onboarding. A standard OEM project then follows 8 steps:

1. Tell Us Your Target Market - Southeast Asia, South Asia, Africa, Latin America, Middle East or Europe; different markets may require different voltage, certification, card format and payment configurations
2. Select a Model Line - our team recommends suitable WL-series models according to your vehicle types (48V / 60V / 72V), site conditions and target customers
3. Verify Documentation - for certified models, request and verify the relevant certificate, OCPP conformance and enclosure rating documentation files
4. Confirm OEM Requirements - color, logo, card design, payment modules, voltage, socket count, packaging and accessories
5. Sample Evaluation - samples can be evaluated before mass production according to the agreed commercial terms
6. Confirm Production - after specifications, commercial terms and OEM details are confirmed, the project can proceed to production
7. Quality Inspection - chargers are inspected and tested with load-bank and aging procedures according to applicable production and quality-control standards
8. Shipment - products are prepared for shipment FOB, CIF or DDP according to the agreed logistics requirements

Customer Testimonials

Buyers who moved from trading-company sourcing to factory-direct card-activated charging equipment describe the difference in delivery dates and documentation:

• Tran Minh Duc (Electric Rickshaw Fleet Owner, Chiang Mai, Thailand): "The first batch for Chiang Mai arrived with routine test reports inside every carton, which made our customs broker job much easier."
• Agus Wibowo (Delivery Fleet Electrification Manager, Can Tho, Vietnam): "Riders tap the NFC card or scan the QR code and pay with the wallet they already use; we stopped explaining how to charge."
• Anucha Srisuwan (Ride-Hailing E-Bike Fleet Buyer, Singapore, Singapore): "Spare reader modules arrived within three weeks when a storm surge damaged two sites, which kept the network online."

Frequently Asked Questions

Q: Can the WL-NOS run without any grid connection?

A: Yes, when paired with panels and the optional battery buffer. The station manages the solar input, stores surplus and releases power for charging sessions; grid connection is optional where available.

Q: How does billing work on an off-grid station?

A: The NFC reader still meters each session and credits the operator account, so a resort or community hall can recover the cost of the solar system over time.

Q: What size solar array is recommended?

A: For a typical 1000W charging station with a 5kWh buffer, a 1.5kW to 2kW panel array covers daily e-bike demand in tropical sun. Wanlin Fire shares a sizing sheet per site.

Q: Can the station switch between solar and grid automatically?

A: Yes. When both sources exist, the controller prefers solar and draws from the grid only when the buffer is low, which maximizes the renewable share.

Q: Is the station weatherproof for coastal sites?

A: The enclosure is IP54 to IP65 and the connector area is sealed for salt-air locations. Coastal projects should confirm the site distance from shore at ordering.

Project Summary

What changed: By working directly with manufacturer Wanlin Fire, Singapore Ride-Hailing E-Bike Fleet Buyer Anucha Srisuwan achieved 31% higher margins while offering competitive pricing. With verified documentation support, honest specifications, OCPP-compliant firmware, custom NFC / RFID card payment configurations and private-label programs, Wanlin Fire has become their trusted EV charger OEM and ODM 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