Essential Smart Lock Accessories for Airbnb Hosts and Property Managers

Author : BTR Tec | Published On : 12 Aug 2026

Running a short-term rental means small hardware issues can become big operational headaches. A smart lock may handle guest entry, but the lock itself is only one part of the setup. Batteries, access cards and other compatible accessories can affect how smoothly your property operates between bookings.

For hosts and property managers, Btrtec smart lock accessories can be considered part of the property’s day-to-day access system rather than optional extras. The right accessories can help you keep a lock ready for the next guest, support different access preferences and reduce the amount of manual work involved in managing several properties.

Airbnb also supports smart lock integration in eligible listings, with guest codes that can activate during a stay and expire after checkout. Hosts can also add a backup entry method for situations where the smart lock cannot be used.

What Most Airbnb Hosts Get Wrong About Smart Lock Accessories

The common mistake is treating accessories as an afterthought.

A smart lock can be well designed, but a flat battery can still leave you dealing with an avoidable guest access problem. The same applies when you want to provide an access card but have not planned how cards will be issued, stored or replaced.

Another mistake is buying accessories based only on price. For a property manager handling several listings, compatibility, availability and ease of replacement matter more than saving a small amount on one item.

Your accessory setup should support the way your property actually operates.

Think about:

How many properties you manage
How often guests change
How cleaners or co-hosts access each property
How you monitor battery condition
Whether guests need card-based access
How quickly you can replace an accessory
What backup entry method you have available

A simple system is easier to maintain than a collection of unrelated devices.

1. Replacement Lithium Batteries

Battery management should be near the top of your list.

Many smart locks depend on batteries for everyday operation. That makes a spare battery useful for property managers who cannot afford to wait for a replacement when a lock needs attention.

The current accessory collection includes a lithium battery listed at $50 CAD.

For an Airbnb property, keeping a compatible replacement battery available can make routine maintenance easier. Instead of discovering a low-power issue during a guest arrival, you can keep replacement stock ready for scheduled property visits.

This is particularly useful when you manage properties across different locations. A property manager may only visit a particular unit once every few weeks. Having the correct replacement battery on hand means a maintenance visit can deal with the issue without another trip.

A simple battery process can help:

Check the lock during regular property inspections.
Monitor battery status where the lock system provides that information.
Keep compatible replacement batteries available.
Replace batteries according to the manufacturer's instructions.
Record the replacement date for each property.

Airbnb also provides smart-lock status information for eligible connected locks, helping hosts monitor issues through the platform.

You can review the available smart lock accessories when planning your replacement stock.

2. NFC Cards for Alternative Guest Access

Not every guest prefers the same access method.

Some guests are comfortable using a code. Others may find a physical access card simpler, particularly when the property uses NFC-based entry.

The current accessory range includes an NFC card listed at $30 CAD.

For property managers, NFC cards can also be useful when access needs to be organised around recurring users. Depending on the lock and its supported functions, cards may provide another way to manage entry without relying entirely on a phone.

Before purchasing additional cards, check the exact compatibility and management process for your lock model. You should also decide how cards will be assigned and tracked.

A practical property management process could include:

Assigning cards to approved users
Recording which card belongs to which property
Keeping spare cards available
Removing access when a card is no longer required
Keeping guest instructions simple

The goal is not to give every guest a complicated access process. The goal is to make the available option easy to understand.

3. Spare Accessories for Multi-Property Management

Managing one Airbnb is different from managing ten.

With one property, replacing a battery or card may be a simple task. With several properties, small supply issues can become recurring administrative work.

This is where a basic accessory inventory can help.

Create a list for each property showing:

Item	Property	Quantity Available	Replacement Needed
Lithium battery	Property A	2	No
NFC card	Property A	3	No
Lithium battery	Property B	0	Yes
NFC card	Property B	1	Yes

This does not need to be complicated. A spreadsheet is enough.

The key is knowing what you have before you need it.

For property managers, central stock can also make sense. If several properties use compatible accessories, keeping a small supply in one location can simplify routine maintenance. However, do not assume that every smart lock uses the same battery or access card. Check the specific lock model first.

4. Accessories for Planned Maintenance

Short-term rentals have tight turnover schedules.

A cleaner may finish a property in the morning. A new guest may arrive that afternoon. If a smart lock needs attention during that window, there may be little time to organise parts.

That is why planned maintenance matters.

Rather than waiting for an accessory to fail, add smart-lock checks to your regular property inspection routine.

For example:

Between stays

Check the lock's visible condition.
Confirm that the keypad or access method responds as expected.
Check battery status where available.
Confirm that guest instructions match the current setup.

Monthly

Review spare battery stock.
Review NFC card stock.
Check which properties may need replacement accessories.
Update your maintenance records.

Before busy periods

Check every managed property.
Confirm replacement stock.
Review access instructions.
Confirm that your backup entry method remains current.

This approach is especially useful for hosts who manage properties remotely.

5. Accessories That Support a Backup Plan

A smart lock should not be treated as the only part of your guest-entry plan.

Airbnb states that backup codes may help when a connected smart lock is offline but still usable. However, a backup code does not solve every problem. If the lock has no power or the keypad cannot be used, Airbnb recommends having a separate backup entry method, such as a lockbox with a key.

That distinction matters.

Your backup plan should account for different situations rather than assuming one solution covers everything.

Consider:

Smart lock offline but still powered
Low battery warning
Flat battery
Access card unavailable
Guest misunderstanding the entry instructions
Connectivity problems
Property manager or cleaner needing access

Your exact backup arrangement will depend on the property, lock and local requirements. The main point is to plan before a guest needs help.

6. Accessories That Keep Guest Instructions Simple

Technology only helps when guests understand how to use it.

A complicated access process can lead to unnecessary messages and support requests. The accessory itself may work perfectly, but unclear instructions can still create confusion.

Keep your guest instructions short.

For code-based entry, explain:

Where the smart lock is located.
When the code becomes active.
How to enter the code.
What to do if the code does not work.
Where to find the backup instructions, if applicable.

For NFC cards, explain where the card should be presented and what guests should expect.

Airbnb provides guests with smart-lock information through the reservation and trip experience for eligible connected locks, including details about their access code and check-in information.

Your property-specific instructions should add only what guests need to know.

7. Accessories for Cleaner and Co-Host Access

Guests are not the only people who need property access.

Cleaners, maintenance staff and co-hosts may need access between reservations. A well-planned smart lock setup can make these handovers easier, provided the lock and access system support the required functions.

The important point is to keep guest access separate from operational access where the system allows it.

Do not hand out a permanent guest code and expect it to work for every booking. Guest access should follow your booking process and the capabilities of your smart lock system.

Airbnb notes that connected smart locks can use guest-specific codes that activate during the stay and expire after checkout.

For a property manager, this type of time-based access can make the process easier to organise.

8. Accessories That Match Your Actual Lock

Buying a smart-lock accessory because it looks similar to the one you need is a poor approach.

Compatibility comes first.

Before ordering a battery, NFC card or another accessory, check:

Smart lock model
Access technology
Battery specification
Manufacturer compatibility
Installation requirements
Intended use
Property location
Current stock requirements

The current accessory page lists two products, so you should check the available options against your specific lock rather than assuming a broad range of accessories is available.

You can check the current smart lock accessory options before building your property maintenance list.

9. A Simple Accessory Stock System for Property Managers

If you manage several Airbnb properties, treat accessories like maintenance supplies.

Set a minimum stock level for each commonly used item.

For example:

One property

One spare compatible battery
One or two spare NFC cards, if required

Several properties

A small central battery reserve
Several spare NFC cards
A property-by-property inventory
A simple replacement log

The exact quantity depends on your property count, turnover rate and maintenance schedule.

You do not need to keep large quantities. You need enough stock to avoid turning a routine replacement into a separate purchasing task.

This is where a basic spreadsheet can save time. Record the item, property, quantity, date checked and replacement status.

When Smart Lock Accessories Are Not Worth Buying

There is a point where buying accessories without a clear purpose becomes wasteful.

If your property uses one access method and you rarely need replacements, large amounts of spare stock may sit unused.

Likewise, do not buy NFC cards simply because they are available if your guests never use card-based access.

Start with the actual operating needs of your property.

Ask:

Will guests use this?
Will cleaners or co-hosts use it?
Does it solve a recurring maintenance issue?
Is it compatible with the installed lock?
Can the accessory be stored and managed easily?

If the answer is no, you probably do not need it.

What Affects the Cost of Smart Lock Accessories?

Accessory costs depend on several factors.

Product type: A replacement battery and an NFC card serve different purposes and can have different prices.

Quantity: Managing several properties means you may need multiple replacement items.

Compatibility: You should buy the correct accessory for the installed lock rather than choosing solely on price.

Shipping: Remote properties and multi-location operations may increase delivery requirements.

Replacement frequency: An accessory that needs regular replacement will have a different long-term cost from one that lasts for a long period.

Stock policy: Keeping a small reserve can cost more upfront but may reduce the need for urgent individual orders.

The best approach is to consider the total maintenance process rather than looking at the unit price alone.

What Should Airbnb Hosts Check Before Buying Accessories?

Use this quick checklist:

Check the lock model

Write down the exact model installed at each property.

Check compatibility

Do not assume that a battery or NFC card works across different systems.

Review your guest process

Decide whether guests use codes, cards or another supported method.

Plan for replacement

Keep a record of batteries and access cards so you know when stock is running low.

Plan for backup access

Do not rely on one access method for every possible situation. Airbnb recommends a backup entry method for eligible listings when a smart lock cannot be used.

Keep instructions simple

Guests should be able to understand the process without needing a long explanation.

Final Thoughts

Smart lock accessories are small components, but they can have a practical role in short-term rental management. A spare compatible battery can support routine maintenance. NFC cards can provide another access option where supported. A simple stock system can help property managers keep several listings organised.

The key is to buy according to your actual property setup. Check compatibility, maintain a small reserve of useful items and keep your guest access process straightforward.

For hosts and property managers reviewing compatible options, the current Btrtec smart lock accessories collection provides a starting point with a lithium battery and NFC card currently listed.

A well-planned accessory setup does not need to be complicated. It simply needs to match the lock, the property and the way you manage guest access.