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The one-paragraph takeaway The WL-WB7 puts up to 7.4kW per port on two metered sockets with a built-in RCD, OCPP 1.6J connectivity and an IP65 shell rated for garage and outdoor walls. 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. What the field test actually measured giving the buyer a 37% 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
It looked like a routine RFQ until the buyer mentioned what the last batch cost them. Importers are consolidating charging SKUs with fewer factories that can document OCPP conformance and IP ratings.
The evaluation stretched over three weekends, Jose Santos selected Wanlin as their EV charging manufacturing partner. Two factors closed it: the test report matched the samples, and the answers arrived within a day.
The monsoon test bench sprayed the cabinet for an hour and the IP54 gaskets kept the board dry.
A single customer complaint exposed a pattern the team had not connected. A shop owner documented nuisance RCD trips on a wallbox that reset mid-session and restarted billing from zero.
Field case: A property group in Davao standardized on the WL-WB7 after watching a rival OTA update brick three units in a week. Wanlin firmware updates are signed, staged and rolled back automatically, and the group has run 14 updates across 80 wallboxes with zero failures.
Why it matters for global buyers:
Wanlin runs OEM and ODM programs for buyers who want their own charging station line without building a factory. Customization covers:
The production version carries the same OCPP stack the pilot units earned, so what the buyer validated is what ships.
Core Features:
| Parameter | Wanlin Specification |
|---|---|
| Output | 7kW per port, 220V single phase |
| Sockets | two Type-2 or local-standard sockets, configured to order |
| Connectivity | OCPP 1.6J over WiFi or 4G |
| Authorization | RFID card, app remote start and plug-in auto-start |
| Protection | built-in RCD Type-A, surge, overheat and overload |
| Housing | IP65 polycarbonate shell with IK10 impact rating |
| Display | status LED ring plus small LCD with session kWh |
| Mounting | wall bracket included, pedestal adapter optional |
| Cable | detachable cable with sealed gland entry |
| Application | Model | How It Helps the User |
|---|---|---|
| Home driveway for scooter and car | WL-WB7 | One wallbox charges the family car and scooter on separate metered ports |
| Small shop front | WL-WB7 | Paid charging for regular customers with per-kWh billing |
| Office parking wall | WL-WB7 | Staff RFID cards start sessions the facility can bill back |
| Condo shared wall | WL-WB7 | Two households share one wallbox with separate metering |
| Hotel guest wall | WL-WB7 | Guests charge overnight while the front desk sees live status |
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:
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.
Ranked on what caused the previous supplier to lose the account, the factory scored first on every row that mattered.
| 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 |
From the first sample request to the sailing date, the buyer could see each gate in writing. A standard charging station OEM project then follows 8 steps:
Here is what the people who actually ordered said afterward.
A: Yes, it delivers up to 7kW on 220V single phase and 7.4kW where the grid supplies 240V.
A: Yes, both ports run simultaneously with the firmware load cap split between them.
A: Choose the 4G option; the wallbox keeps logging sessions offline either way and uploads when reconnected.
A: Yes, a Type-A RCD is inside the unit with trip-time records available per lot.
A: Yes, logo printing and shell colors start from 50 units on existing tooling.
What the field test actually measured By working directly with manufacturer Wanlin, the Property Developer team in Davao reached 37% 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