Knowledge base · Technical note
Electronic padlocks for self storage units
An electronic padlock is not automatically a better padlock. Four properties decide whether it belongs on a storage unit — and two of them rule it out for whole regions.
The short answer
An electronic padlock fits a self-storage unit when the site wants to stop issuing and chasing keys, and when the climate and the radio approval allow it. It is a poor fit when either of those fails — and unlike a mechanical padlock, both of those failures are decided before the order rather than discovered in service.
| Fits | Does not fit |
|---|---|
| Move-in and move-out handled from an app instead of a key drawer | Sites that need a US radio approval the lock does not hold |
| Sites that need a record of who opened a unit, when and how | Exposed units in regions that hold below the lock's rated temperature |
| Managers who want to open a unit without holding every tenant key | Facilities whose software must control the lock directly |
| A trial on one site before standardising the estate | Sites where a flat battery must never be able to strand a tenant |
What an electronic padlock actually changes
A mechanical padlock and an electronic one secure the door to the same standard. What changes is the administration around them. Three things move.
- Key issue and recovery. A tenant's access can be granted and withdrawn from an app, so a move-out does not depend on a key coming back.
- The record. The lock logs who opened it, when and by which method. A mechanical padlock leaves no trace at all.
- Manager access. A manager can be given access to units without carrying a key for every one of them.
Nothing in that list is about physical security. Buyers often assume an electronic padlock is a stronger padlock; it is a differently administered one.
The four properties that decide it
These are the four that turn a general question into a specific yes or no. Two of them are pass or fail.
1. Operating temperature — the one that rules out regions
The Bluetooth padlock we supply is rated −5 to +60 °C. That is a real limit, not a formality, because the battery and the reader are what stop working first.
| Region | Typical winter low | Inside the rated range? |
|---|---|---|
| Florida, Texas, coastal California | Rarely reaches −5 °C | Yes |
| New York, Chicago, Denver | Commonly −10 to −15 °C | No, for part of the year |
| Minnesota, the Dakotas, most of Canada | −20 to −30 °C | No, for sustained periods |
This is why an electronic padlock should be specified per region rather than per estate. A chain with sites in both Georgia and Manitoba does not want one answer for both.
2. Radio approval — CE-RED is not FCC
A Bluetooth lock is radio equipment, so it needs a radio approval. The certificate our padlock holds is CE-RED, the EU radio equipment directive 2014/53/EU, with test reports for safety, EMC and the 2.4 GHz spectrum. A US installation is assessed against FCC Part 15, which is a separate approval and is not covered by CE-RED.
Read that as a market statement, not a defect: the lock is the right product for a European, Middle Eastern or Asian project and the wrong one for a US project that names FCC. Tell us the standard and we will say which is true for your case.
3. The app, and what it can talk to
Our Bluetooth padlock is supplied with a third-party app. Locally it works over Bluetooth with no network at all, which is what makes it usable on a site with no connectivity. Two consequences follow:
- Remote unlocking needs a gateway. Opening a unit when nobody is standing at it is not a feature of the lock on its own.
- Integration with your software is not assumed. We make no compatibility claim for any facility-management platform. If your operation has to control locks from its own system, say so before the specification is written.
4. The fallback when the battery is flat
An electronic lock on an unmanned site has one failure mode that matters more than the others: the tenant cannot get in. Ours carries a mechanical key as well as the app and the fingerprint reader, so a flat battery is an inconvenience rather than a lockout. If a supplier cannot tell you how their lock opens when the power is gone, that is the question to ask next.
Clearance and form: why a padlock-shaped lock matters
Most electronic locks are door locks. They expect a mortise, a bore or a wiring run, and they cannot be fitted to a storage unit door at all. A padlock-shaped electronic lock fits the same hasp or padlock eye a mechanical padlock uses.
- Shackle clearance
- 107 mm inner height · 65 mm inner width
Generous against a standard padlock, which is what lets it sit over a thick hasp. - Body
- A3 steel and zinc alloy, powder-coated
A padlock body, not a door-lock body. - Sealing
- IP67 with the shackle closed · IPX5 while open
Rain and a 1 m immersion are covered by the test report. A jet into an open lock is not. - Power
- Rechargeable, charged over USB-C
Over a year on standby, or about six months at five to ten unlocks a day.
Send a photo of the hasp with the door closed. Clearance is the one dimension that decides the order, and it is confirmed on a physical sample rather than from a drawing.
Where it fits, and where it does not
| Site | Fit | Why |
|---|---|---|
| Independent operator, warm climate, wants to stop managing keys | Good | Key administration and access records are the whole gain, and the temperature range is not challenged. |
| New site trialling electronic access on part of the estate | Good | A small first order is enough to test it against real tenants. |
| European or Middle Eastern facility | Good | The radio approval the lock holds is the one those markets ask for. |
| Exposed units in a cold region | Poor | The rated operating range is exceeded for part of the year. |
| Chain that must drive locks from its own management software | Poor | No integration claim is made for third-party platforms. |
| US project whose specification names FCC Part 15 | Not met | The lock carries CE-RED; FCC is a separate approval it does not hold. |
How to trial it without committing a site
An electronic padlock is a change to how a site is run, so it is worth testing on a handful of units before it reaches the specification. Three ways to keep the first step small:
- Sample first. Fit one to an actual door and hand it to a real tenant for a month.
- Start below the full order. The Bluetooth padlock has a lower minimum than the mechanical families, so part of a site can be converted without converting all of it.
- Keep the mechanical option alongside it. Mixed estates are normal — electronic on the units where key handling hurts most, mechanical everywhere else.
Tell us the site, the unit count and the winter temperature it sees and we will say which answer applies, rather than let you find out in January.
Check it against your own climate and your own doors
Send the site location, the winter temperature it sees and a photo of the hasp with the door closed. We will say whether an electronic padlock belongs on that site — including when the answer is no.
What readers ask next
Four properties decide this question, and two of them are pass or fail.
Does an electronic padlock need WiFi or a gateway?
Not for local unlocking. It opens over Bluetooth with no network at all, which is what makes it usable on a site with no connectivity. Unlocking a unit when nobody is standing at it is different — that needs a separate gateway.
Is a CE-RED padlock legal to install in the United States?
CE-RED is the European radio equipment directive and is what our certificate covers. A US installation is assessed against FCC Part 15, which is a separate approval — tell us if your project names it and we will confirm what documentation exists rather than imply one we do not hold.
Can we buy a small quantity to trial before standardising a site?
Yes. The Bluetooth padlock starts from 50 pcs rather than the 500 pcs the mechanical families run at, and samples are ready from 5 days. Trialling it on one block of units before it reaches the site specification is the usual route.