Executive Summary: EV Charging Socket Panel for Global Buyers

What the first 90 days proved The WL-WM10 puts 10 breaker-protected sockets on an IP54 steel panel, each metered and fused, with a feeder-matched group cap and per-socket auto cut-off. 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. The numbers that mattered giving the buyer a 35% cushion over the previous factory price after freight 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: Khon Kaen OEM ODM Sourcing Manager Sourcing Success

A single demo station ran at the buyer's depot for a month before the first PO was cut. The margin squeeze in the category pushes buyers toward factory-direct programs with type-test evidence.

After the operator's own four-week load-balance logging test, Viriya Chanthavong selected Wanlin as their EV charging manufacturing partner. The order followed, but only after the buyer verified three things on the bench.

• QC holds a 99.2% first-pass target, and units that fail are logged with photos for root-cause review
• CE, RoHS and IEC 61851-1 documentation ships with every commercial order
• 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 EV Charging Socket Panel

The problem showed up in the field, not in the spec sheet. An apartment corridor board with no per-socket timers let batteries cook all night and swelled two packs in a month.

Field case: A dormitory in Khon Kaen swapped dial timers for the WL-WM10 after residents kept resetting free windows. Firmware timers behind lock covers ended the tampering, and the operator energy bill reconciled with the socket log for the first time.

Why it matters for global buyers:

• unattended overnight charging swells packs without per-socket cut-off
• the fix was firmware timers behind lock covers
• load groups stop one appliance evening from killing every socket

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 EV Charging Socket Panel

The shipping version keeps the same sealed gland plate and the same RCD wiring the field units earned.

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
Sockets	10 metered sockets with individual breakers
Load Management	group load cap set in firmware
Billing	per-socket kWh metering with QR payment
Timers	per-socket charge timer with auto cut-off
Protection	per-socket overload, leakage and surge
Housing	IP54 steel panel with IK10 rating
Display	LCD with per-socket status and cumulative kWh
Installation	surface mount on shed wall or column with anchor kit

Application Scenarios for Global Market

Application	Model	How It Helps the User
Apartment corridor bike parking	WL-WM10	Per-socket cut-off stops batteries cooking all night
Parking garage wall	WL-WM10	Metered sockets end the garage flat-fee argument
Shop house back wall	WL-WM10	Tenants pay for exact kWh with QR payment
Dormitory bike area	WL-WM10	Firmware timers behind lock covers stop tampering
Warehouse staff wall	WL-WM10	Group load cap keeps the warehouse feeder safe

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
• CE, RoHS and IEC 61851-1 documentation ships with every commercial order

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 rows below come from the buyer's own comparison notes, not from our brochure.

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

Moving from first contact to a sealed container took a sequence the buyer could follow in writing. 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

The quotes below come from follow-up calls after the first season of uptime data arrived.

• Somchai Prasert (EV Charging Station Distributor, Bangkok, Thailand): "The tuk-tuk model went into our fleet depot and paid for itself in metered revenue the first quarter."
• Nguyen Hoang Minh (Charge Point Operator, Ho Chi Minh City, Vietnam): "We changed the tariff logic for our market and they turned the firmware around in a week."
• Viriya Chanthavong (OEM ODM Sourcing Manager, Khon Kaen, Thailand): "We stopped counting burned sockets because there are none left to count."

Frequently Asked Questions

Q: How does the WL-WM10 stop overnight overcharging?

A: Each socket runs a timer with auto cut-off, so packs stop drawing at the set time or full-charge signal.

Q: Can the load cap match our building wiring?

A: Yes, the group ceiling is set in firmware to the feeder rating the building actually has.

Q: What prevents residents from resetting timers?

A: Timer settings sit behind a lockable cover; riders only see socket status and QR.

Q: Is billing per socket or per board?

A: Per socket, with QR payment and kWh logs exported for building management.

Q: Can it mount on an outdoor shed wall?

A: Yes, the IP54 panel handles shed and column mounting with the included anchor kit.

Project Summary

The numbers that mattered By working directly with manufacturer Wanlin, the OEM ODM Sourcing Manager team in Khon Kaen reached 35% 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