Frequently Asked Questions

Executive Summary: Portable Low-Voltage EV Charger for Global Market

Quick answer: The WL-PT Portable Low-Voltage EV Charger outputs 72V at 5A with overcharge and overheat protection, in a flame-retardant ABS shell weighing about 2kg and covered by a 18-month warranty. 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. Key result: 35% better landed margin 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 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 03, 2026 | Expertise: two-wheeler and three-wheeler EV charger OEM manufacturing for global markets

Case Study: Johor Bahru Electric Tricycle Fleet Owner Sourcing Success

Kittisak Chaiyasan, an Electric Tricycle Fleet Owner based in Johor Bahru, was sourcing two-wheeler charging equipment for a network that had grown faster than its charging points. Property managers across Johor Bahru were banning battery packs in lifts after a hallway fire in a nearby condo, which pushed residents toward supervised charging bays.

Once the pilot site data came back, Kittisak Chaiyasan selected Wanlin Fire as their EV charging equipment manufacturing partner. The buyer picked Wanlin Fire because the quote included IP65 enclosures and surge protection as standard, not as a paid add-on.

• Site replication: the same wallbox model had been running under a tropical downpour test for 30 days before the Malaysia order was confirmed.
• Document pack: certificate files, user manuals, installation guides and wiring diagrams are packed with each export order
• Custom QR flows: the OEM team in Shenzhen can point the QR code to a local e-wallet landing page configured for the Malaysia operator.

Field engineers in Johor Bahru mounted the units, tested RFID cards and QR payments, and left the property team with a one-page operating checklist.

Problem Analysis & Field Report: Why Global Buyers Need Portable Low-Voltage EV Charger

The fastest way to filter suppliers in Malaysia is to ask for an OCPP session log and a routine test report, not a brochure. A tuk-tuk driver in Johor Bahru ran out of charge two blocks from a shop that had no wall socket at street level, and pushing the cab home took an hour.

Field case: A roadside assistant in Johor Bahru kept a portable low-voltage charger in the service van and recovered 10 stranded e-bikes in the first month.

Why it matters for global buyers:

• Portable units bring a controlled charge profile to sites that lack fixed infrastructure
• Low-voltage 48V-72V output matches two-wheeler packs without step-down adapters
• Protection circuits prevent overcharging when riders plug into unknown sockets
• Field teams carry one tested unit instead of a bag of generic chargers
• Portable units give drivers and workshops a backup path when fixed stations are full or far away
• Low-voltage output protects small packs from the over-current damage seen with car-oriented chargers

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: QR code with local gateway, RFID cards, NFC, coin acceptor or App billing
• 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 Portable Low-Voltage EV Charger

The Wanlin Fire charger line covers 48V to 72V battery systems for e-bikes, e-scooters, electric motorcycles, e-rickshaws and cargo trikes, with single-socket to multi-socket cabinets built for continuous outdoor duty.

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
• 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, 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

Importers in Malaysia compare Wanlin Fire against trading companies on three points: factory test data, OCPP conformance documents and spare part availability.

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, 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

A typical Wanlin Fire OEM project begins with the target market, because voltage, certification and payment habits decide the hardware configuration. 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 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, 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

Importers who moved from white-label resellers to factory-direct supply in Malaysia usually mention the same shift.

• Andre Silva (EV Charger Distributor, Sao Paulo, Brazil): "The load test report matched what we measured on site, and that has not happened with the previous two suppliers."
• Priya Nair (E-Rickshaw Fleet Owner, Mumbai, India): "The first batch for Johor Bahru arrived with routine test reports inside every carton, which made our customs broker's job much easier."
• Kittisak Chaiyasan (Electric Tricycle Fleet Owner, Johor Bahru, Malaysia): "The load test report matched what we measured on site, and that has not happened with the previous two suppliers."

Frequently Asked Questions

Q: Can the WL-PT replace the original scooter charger?

A: For 36V to 72V lead-acid and lithium packs, yes - the output voltage must match the pack, and the connector is matched to the vehicle. It is not for automotive EVs.

Q: Is the WL-PT safe to leave plugged in overnight?

A: The charge curve ends in a float stage and the overheat sensor cuts current if the housing exceeds its limit. We still recommend unplugging once the indicator turns green.

Q: Which plugs does the WL-PT ship with?

A: Common two-wheeler charge plugs are stocked. Buyers send their market plug drawing or sample, and we match or mold it - custom molds start at 500 units.

Q: How is the WL-PT packed for retail?

A: One unit per color box with manual and cable, 20 boxes per export carton. Retail-ready packaging with barcodes is available for volume orders.

Q: What is the MOQ for the WL-PT?

A: Standard units start at 100 pieces. Custom-branded retail packaging starts at 500 pieces with a 20 to 25 day lead time.

Project Summary

Key result: By working directly with manufacturer Wanlin Fire, Johor Bahru Electric Tricycle Fleet Owner Kittisak Chaiyasan achieved 35% higher margins while offering competitive pricing. With verified documentation support, honest specifications, OCPP-compliant firmware, custom 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