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

TL;DR: The WL-SO Solar-Ready Off-Grid Charging Station pairs a 600W panel array with a 48V 50Ah lithium buffer, serves 6 outlets, and reports through remote battery and energy monitoring under a 12-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. The outcome: margins up 39% 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: Bandar Seri Begawan Electric Rickshaw Fleet Owner Sourcing Success

Dewi Lestari, an Electric Rickshaw Fleet Owner in Bandar Seri Begawan, started with a single pilot site and needed a supplier that could scale from 10 sockets to 300 without changing platform. A monsoon-season inspection in Bandar Seri Begawan found rusted pins on three outdoor sockets that had never been rated for rain.

Following a three-week sample window, Dewi Lestari 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.

• Capacity control: production slots are confirmed before the order, and pre-shipment inspection photos are shared batch by batch
• Regional paperwork: CE / FCC / RoHS certificates plus OCPP 1.6J conformance statements were prepared for the Brunei importer and attached to the commercial invoice.
• Firmware adaptation: OCPP parameters, power limits and time-based profiles configured before shipment

Field engineers in Bandar Seri Begawan 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 Solar Charging Station for Off-Grid Sites

A charging point looks simple until it has to survive humidity, voltage dips, careless riders and an inspector with a checklist. An island resort in Brunei ran guest e-bike charging on a diesel generator, and the fuel bill grew every month the fleet expanded.

Field case: An island resort in Bandar Seri Begawan installed a solar-ready station and charged rented e-bikes entirely off-grid for 2 months before the grid permit arrived.

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
• Solar-ready inputs let operators add panels and storage later instead of replacing the whole station
• Off-grid stations keep e-bike fleets moving in islands and rural provinces where the grid is thin

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

Wanlin Fire builds the Solar Charging Station for Off-Grid Sites for the conditions buyers in Brunei actually deal with: covered parking, humid air, 220V mains and heavy daily turnover.

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	600W
Battery buffer	48V 100Ah lithium
AC output capacity	800W
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

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

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

The OEM process for a Brunei importer starts with a voltage 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 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 Brunei usually mention the same shift.

• Andre Silva (EV Charger Distributor, Sao Paulo, Brazil): "The OCPP conformance statement arrived with the samples, which is what our customs broker asked for on the last shipment."
• Priya Nair (E-Rickshaw Fleet Owner, Mumbai, India): "The load test report matched what we measured on site, and that has not happened with the previous two suppliers."
• Dewi Lestari (Electric Rickshaw Fleet Owner, Bandar Seri Begawan, Brunei): "Riders scan the QR code and pay with the wallet they already use; we stopped explaining how to charge."

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

The outcome: By working directly with manufacturer Wanlin Fire, Bandar Seri Begawan Electric Rickshaw Fleet Owner Dewi Lestari 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