A maintenance contract for commercial chargers should cover five things in writing: scheduled preventive visits, a fault-response time you set, what parts and labour are included, remote monitoring of the units, and regular condition reporting. Without one, a broken charger is an argument about who pays; with one, downtime is a process with an owner, a clock and a price already agreed.
Key Takeaways
- A maintenance contract names five things: preventive visits, fault-response time, parts and labour terms, remote monitoring and reporting.
- It is a commercial document, distinct from both the task checklist and the product warranty — read all three for overlaps and gaps.
- Uptime is what the contract protects; NEVI corridor sites must average above 97 percent.
- No standard response time exists — set one that fits your site’s traffic, in writing.
Why a Site Needs the Contract, Not Just the Checklist
The tasks themselves are routine — inspections, cleaning, cable and connector checks, firmware and safety testing. A contract is the commercial agreement behind the tasks: who performs them, how fast they come when a unit fails, and what it costs. A project that plans operations early — the thinking behind our guide to opening an EV charging station step by step — treats the contract as part of the build, not an afterthought.
The Five Items to Pin Down
| Contract item | What to specify | Why it matters |
|---|---|---|
| Preventive visits | How many per year, and what each visit includes | Most faults — worn connectors, damaged cables — surface on a visit, not in a driver complaint |
| Fault response | The hours within which a reported fault is attended, and what “attended” means | No standard response time exists, so the number only protects you if written down |
| Parts and labour | Which parts are included, which are charged, and who approves repair quotes | Prevents a routine callout turning into an open-ended bill |
| Remote monitoring | Who watches the units’ alarms and error reports, and how faults reach the maintainer | A networked charger reports many faults before a driver does |
| Reporting | A periodic record of uptime, faults and work done, per port | Your evidence if uptime is ever questioned by a funder or landlord |
Uptime Is the Number the Contract Protects
For corridor sites built under the US NEVI programme, federal rules require average annual uptime above 97 percent, alongside 24/7 opening and contactless payment — see the NEVI standards in 23 CFR Part 680. Most commercial sites are not NEVI sites, but the logic is the same at every scale: a charger that is down earns nothing and sends drivers to a competitor. When you negotiate, ask what uptime the maintainer reports against, and how they count a port that is powered but fails to start a session.
Contract Cover Is Not the Product Warranty
The two documents overlap less than buyers assume. A manufacturer’s warranty covers defects in the product itself — EVDANCE’s standard warranty is 3 years. A maintenance contract covers the operation of an installed site: scheduled care, callouts, labour, and wear items such as cables and connectors. Read both side by side before signing either. If the warranty already includes a part, the contract should not charge you for it again; if neither document names a wear item, assume it is uncovered and price that risk in.
Who Holds the Pen on Your Site
EVDANCE supplies commercial hardware built to be maintained as a fleet: the EV-AC03201T dual-connector AC station and the EV-RHDC30K-L compact DC fast charger both run OCPP 1.6J with RFID, so faults surface remotely instead of through driver complaints. Whoever maintains your site — the installer, a network operator or a specialist firm — the five items above belong in the written agreement; our commercial EV charging page sets out the hardware those agreements cover.
Frequently Asked Questions
How often should commercial chargers be serviced?
Follow the manufacturer’s schedule for each model, and fix the visit count in the contract rather than leaving it to habit. Busy public sites wear cables and connectors faster than quiet ones, so the interval depends on use — which is why it should be a written term.
Is a maintenance contract legally required?
Not in general. It becomes close to unavoidable where uptime is a funding condition — NEVI corridor sites must average above 97 percent uptime — and a landlord or host agreement may require one too. Even where nothing compels it, one long outage can cost more than the contract.
What response time should I ask for?
There is no standard figure to copy. Match it to the site: a corridor or high-turnover site can justify hours; a workplace charger that can wait a day should not pay for hours. What matters is that the time — and what counts as a response — is defined.
Related Reading
- Commercial EV Charger Maintenance Checklist
- How to Open an EV Charging Station: Step by Step
- How Much Does It Cost to Install a Commercial EV Charging Station?
- What Is EV Charging Infrastructure and Why Does It Matter?
