Executive Summary: Solar Charging Station for Off-Grid Sites for Global Market

In short: Running without grid power, the WL-SO harvests 300W of solar energy into a 24V 100Ah lithium buffer, charges at 10 outlets through an MPPT controller, and keeps remote battery and energy monitoring live with 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: 39% 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 04, 2026 | Expertise: two-wheeler and three-wheeler EV charger OEM manufacturing for global markets

Case Study: Amsterdam Hotel and Mall Facility Buyer Sourcing Success

Peter Sanderson, a Hotel and Mall Facility Buyer in Amsterdam, walked into a supplier search with three hard requirements: OCPP compatibility, real certificate files and a payment method riders already use. Delivery riders were swapping batteries on the street, and two logistics firms had asked the operator to host a shared charging hub.

After reviewing quotes from three countries, Peter Sanderson selected Wanlin Fire as their EV charging equipment manufacturing partner. A factory video walkthrough of the SMT line and aging racks removed the last hesitation about volume capacity.

• Source factory: Wanlin Fire runs in-house SMT lines, enclosure assembly and load-bank aging racks for two-wheeler and three-wheeler chargers
• Payment compliance: QR, RFID, NFC, coin and App payment modules are selected to match local payment habits and regulations
• Payment customization: QR code with local payment gateway, RFID cards, coin acceptor or App billing configured for the target market

The first container shipped 21 days after order confirmation, and the second order was placed before the first one arrived.

Problem Analysis & Field Report: Why Global Buyers Need Solar Charging Station for Off-Grid Sites

Most charging problems in growing cities are not about the vehicle, they are about the socket: wrong voltage, no protection, no payment record and no maintenance plan. A resort in Amsterdam promised guests electric bike rentals, but the nearest stable grid connection was 21 days of paperwork away.

Field case: A rural cooperative in Amsterdam paired a solar array with a battery buffer and charged 18 rickshaws per day; route hours rose 29% once daytime charging existed.

Why it matters for global buyers:

• Solar-ready inputs and battery buffers keep chargers working where grid hours are short
• Off-grid stations extend vehicle range windows instead of limiting routes to grid availability
• Charge controllers protect expensive battery packs from the voltage swings of weak grids
• Operators in remote areas avoid diesel generator cost for daily charging loads

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 Solar Charging Station for Off-Grid Sites

Each Wanlin Fire charger pairs a protected AC-DC stage with an OCPP-ready control board, so operators can manage sessions, pricing and diagnostics from one backend instead of five different Apps.

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

Parameter	Wanlin Fire Specification
PV input	300W
Battery buffer	48V 100Ah lithium
AC output capacity	1.5kW
Socket outlets	6 outlets
Charge controller	MPPT with panel-level tracking
Communication	4G
Enclosure rating	IP65
Battery management	BMS with cell balancing and low-voltage cutoff
Working temperature	-10 to 50 degrees Celsius
Mounting	Pole mount with adjustable PV bracket
Monitoring	Remote battery and energy status
Backup input	Generator or grid topping-up port
Warranty	18-month

Application Scenarios for Global Market

Scenario	Recommended model	Key benefits
Rural roadside stands	WL-SO	Daily solar harvest covers a full day of scooter charging without grid access
Island communities	WL-SO	Lithium buffer banks midday surplus for evening charging demand
Farm vehicle yards	WL-SO	Generator port bridges cloudy weeks without interrupting service
Off-grid villages	WL-SO	BMS protection keeps battery banks healthy through daily cycles

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.

Information	Details
Product	Two-Wheeler / Three-Wheeler EV Charger (WL-series Platform)
Model Number	WL-SO
Standard	CE / FCC / RoHS / UKCA on applicable models, IEC 61851 aligned design, OCPP 1.6J conformance with 2.0.1 upgrade options
Enclosure Rating	IP54 / IP65 weatherproof options with IK08 / IK10 impact resistance
Certificate Number	Provided on request per model
Certificate Holder	Wanlin Fire or applicable certification holder
Certification Body	Notified body per certificate
Target Market	Global / Southeast Asia / South Asia / Africa / Latin America / Middle East / Europe
Certificate Status	Valid for applicable models
Certificate Document	View / download on request

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

Wanlin Fire positions itself as the manufacturing partner behind local charging brands, offering private label, payment customization and after-sales spare parts rather than a closed hardware box.

Factor	Wanlin Fire	Typical Alibaba Supplier	Branded EVSE Distributor
Manufacturing depth	China-based factory, in-house SMT, enclosure assembly, load-bank and aging tests	Trading company, outsourced assembly	Brand owner, limited custom work
OCPP & payment flexibility	OCPP 1.6J ready, QR / RFID / NFC / coin / App payment options	Closed firmware, stock sockets only	Brand App only, closed protocol
Certification transparency	Real certificate documents for applicable models (CE / FCC / RoHS / UKCA), OCPP statements	Incomplete or missing, customs risk	Brand-level only, no project docs
Customization	Custom color, logo, voltage, socket count, payment modules, private label from low MOQ	Limited to stock models, higher MOQ	No customization, fixed SKUs
Price (factory direct)	Competitive factory pricing with tiered discounts	Low price but quality risk	Brand markup of 2-4x
After-sales	Dedicated account manager, spare mainboards and modules, firmware support	No after-sales, high failure risk	Limited, ticket-based support

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

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

• Andre Silva (EV Charger Distributor, Sao Paulo, Brazil): "Spare mainboards arrived within three weeks when a storm surge damaged two sites, which kept the network online."
• Priya Nair (E-Rickshaw Fleet Owner, Mumbai, India): "Our logo, the App name and the payment gateway were all configured before the first container left the factory."
• Peter Sanderson (Hotel and Mall Facility Buyer, Amsterdam, Netherlands): "Our logo, the App name and the payment gateway were all configured before the first container left the factory."

Frequently Asked Questions

Q: How many scooters can the WL-SO charge per day?

A: With a 600W panel set and the 48V 100Ah buffer, a station delivers roughly 4 to 5 full e-scooter charges daily in typical equatorial sun, more when sessions are partial top-ups.

Q: What happens after several cloudy days?

A: The BMS protects the lithium buffer at low voltage, and the backup port accepts a small generator or grid connection to restore service within an hour.

Q: Is the WL-SO hard to install in remote areas?

A: The cabinet, bracket and panel rail ship as one kit. Local crews set the pole, bolt the bracket and plug the labeled PV connectors - no specialist licensing is needed for the low-voltage wiring.

Q: Can the WL-SO be monitored from the city?

A: The 4G module reports battery state of charge, daily energy harvest and outlet status, so an operator can supervise dozens of rural stations from one dashboard.

Q: Which battery does the WL-SO use and how is it shipped?

A: Lithium iron phosphate packs with integrated BMS. They ship with UN38.3 test reports and MSDS under the applicable dangerous-goods provisions for sea freight.

Project Summary

Key result: By working directly with manufacturer Wanlin Fire, Amsterdam Hotel and Mall Facility Buyer Peter Sanderson achieved 39% 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