Compare
Tech OVN vs Typical Indian AC EV Charger Manufacturers
How Tech OVN AC EV chargers compare to typical Indian AC chargers across the criteria that matter for CPOs, fleet operators, and white-label brands evaluating a multi-year deployment.
The summary, if you skip the rest
Most Indian AC EV charger manufacturers buy a generic third-party metering module and bolt it inside the charger. That module is accurate on day one and drifts 2-3% by year five in field conditions. For a CPO fleet of 200 chargers each dispensing 30 kWh/day, a 2% drift is real revenue lost — and it's invisible until a tenant audit or DISCOM dispute catches it.
Tech OVN's primary business is designing and manufacturing energy meters — including revenue-grade Class 0.5S smart meters for the Indian utility market. The same engineers design every Tech OVN charger's metering board. Sustained accuracy across the 7-10 year deployment lifetime is what that buys you, and it's the single biggest reason CPOs and fleet operators specify Tech OVN.
Beyond the meter, Tech OVN publishes its commercial terms in plain English (no MOQ on catalogue chargers, MOQ 200 on white-label, 4 weeks from PO), refuses to offer services we won't deliver (no custom CPO integration, no subsidy filing), and designs chargers that don't need on-site servicing.
| Criterion | Tech OVN AC Charger | Typical Indian AC Charger A | Typical Indian AC Charger B |
|---|---|---|---|
| Built-in energy meter — designed by whom? | In-house metering team (same team builds Class 0.5S utility smart meters) | Third-party metering module (generic supplier) | Third-party metering module (generic supplier) |
| Year-5 metering accuracy | Holds inside Class 1.0 band across deployment lifetime | Typically drifts 2-3% in field conditions | Typically drifts 2-3% in field conditions |
| Built-in metering accuracy class | Class 1.0 (Class 0.5S available) | Class 1.0 | Class 1.0 |
| OCPP versions supported | 1.6J + 2.0.1 (standards-compliant, both shipped today) | 1.6J + 2.0.1 (varies) | 1.6J only (legacy hardware) |
| MOQ — catalogue / unlabelled chargers | No MOQ (single units ship from stock) | 10-50 units | 50-100 units |
| MOQ — white-label / OEM / ODM | 200 units (single rate, no tiering games) | 50-100 units (often opaque) | 100-500 units (often opaque) |
| Lead time | 4 weeks from PO (clock starts when PO is placed) | 4-8 weeks (clock-start often vague) | 8-12 weeks |
| Connectors supported | Type 2 (IEC 62196) + Bharat AC001 + 3-pin 15A + IEC 60309 | Type 2 only | Type 2 + Bharat AC001 |
| On-site servicing required? | No — sealed enclosure, no field-replaceable parts, swap-and-RMA | Yes — periodic maintenance contract typical | Yes — service team or AMC required |
| State EV subsidy / BOQ filing support | Not offered (we ship hardware; subsidy filing is the buyer's job) | Often promised, rarely delivered | Often promised, rarely delivered |
| Custom CPO-backend integration | Not offered (OCPP standards are the integration) | Sometimes offered (project scope creep risk) | Sometimes offered (project scope creep risk) |
| Manufacturing location | Binola, Haryana (Delhi NCR) — same site as utility meter line | Varies — often assembled in India from imported sub-assemblies | Varies |
| Heritage | Subsidiary of OVN Engineers (est. 1949); primary business is energy metering | EV-charger-only OEM (no metering heritage) | EV-charger-only OEM (no metering heritage) |
| Certifications | IEC 61851-1, IP55, IEC 62196, IEC 62053 (built-in meter), BIS licence on meter, GeM registration | IEC 61851-1, IP55 (typically) | IEC 61851-1 (varies by SKU) |
Where Tech OVN wins
Six places the difference shows up in real deployments.
Metering accuracy that lasts
The meter inside every charger is built by the team that builds Tech OVN's utility smart meters. Accuracy holds across the 7-10 year deployment lifetime, not just day one.
Commercial transparency
Published commercial terms — no MOQ on catalogue, MOQ 200 on white-label, 4 weeks from PO. No tiered games, no surprise change orders.
No on-site servicing burden
Sealed-enclosure design means no scheduled maintenance and no service contracts. If a unit fails, we ship a replacement; the failed unit returns to our facility.
Honest scope
We don't promise CPO-backend integration we won't deliver and we don't promise subsidy filing we don't do. Clear boundaries protect the delivery timeline.
Vertical integration
Metering board, controller board, enclosure, and firmware are all designed and built at the same Haryana facility. No three-vendor finger-pointing when an integration issue surfaces.
Behind a 1949 manufacturing heritage
Tech OVN is a subsidiary of OVN Engineers, a precision-engineering company supplying Indian industrial infrastructure since 1949.
When another manufacturer is the right choice
We don't fit every buyer. A few scenarios where another manufacturer is the better match:
- •You need a DC fast charger (50 kW+). Tech OVN currently manufactures only AC chargers (3.3-22 kW); a DC-only buyer should look elsewhere.
- •You need bespoke CPO-backend integration as part of the hardware purchase. Tech OVN ships OCPP-standards-compliant hardware; integration to a custom backend is the buyer's responsibility.
- •You need a manufacturer to file your state EV subsidy BOQ. Tech OVN doesn't offer subsidy or BOQ support; the buyer or their installer handles all paperwork.
- •You need MOQs below 200 for branded white-label chargers. Catalogue chargers ship with no MOQ; branded programmes start at MOQ 200, period.
Frequently Asked Questions
Evaluating Tech OVN for your charger deployment?
Talk to our team about MOQ, lead time, custom enclosure, and OCPP requirements — or read the full white-label / OEM / ODM programme details.