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Cleaning Devices

To clean your Latch products, it is recommended that you use either a solution of warm water and dish soap or 70% Isopropyl Alcohol (IPA).  Either should be applied with a microfiber cloth and then finished with a damp microfiber cloth.  

 

It is important that no strong solvent (e.g. acetone) or abrasives (e.g. scouring pad, steel wool, etc.) be used to remove dirt, paint, or other blemishes.


When flipping units or during construction, it is recommended to use painter's tape around the outline of the lock and to remove it within the time specified by the manufacturer.   

Inductive Jumpstart: Powering a C2 if the batteries fail

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The battery level of your Latch C2 updates passively after unlocking with the Latch App or actively after updating the the device.  In the unlikely event that the batteries fail before you are able to replace them, you can power the Latch C2 with a Qi-compatible power bank following the steps below:

  • Step 1 - Get a Qi power bank (or compatible 2-way power share enabled phone).

  • Step 2 - Turn the power bank on and hold the charging coil over the center of the lens.  Note that charging coils vary from device to device, but the center is a good bet.  It is ok if you need to rotate the thumb turn slightly to get it over the center.  

  • Step 3 - You will hear a buzz as the C2 boots up. This means you have found the right location.  Keep holding the power bank or phone in powershare mode in this location.

  • Step 4 - While continuing to power the lens via the powerbank, perform a BLE unlock with a device that has Latch App access to the lock.  You should hear a click as the C2 unlocks.  

  • Step 5 - Once you hear the click you’re good to remove the power bank and unlock your C2.  

  • Step 6 - Replace the dead batteries before closing and locking the door again.

How long do batteries last?

Latch M

The Latch M has batteries and won’t go down if your power goes out. Its 6 AA batteries will last for up to 12 months with normal usage, with battery alerts keeping you in the know. If your Latch M is wire-powered, your batteries will be unused until power is cut.

Learn more about monitoring and replacing batteries.

 

Latch C2

The Latch C2 has batteries and won’t go down if your power goes out. Its 6 AA batteries will last for up to 24 months with normal usage, with battery alerts keeping you in the know.

Learn more about monitoring and replacing batteries.

 

Latch R

The Latch R is wired for power. Once it has been installed, you will not have to worry about battery life.

 

Changing batteries

The Latch M's 6 AA batteries should last 12 months under normal usage using 6 x AA Duracell non-rechargeable batteries. The Latch C2’s 6AA batteries should last 24 months under normal usage using 6 x AA Duracell non-rechargeable batteries. Managing them is simple. Just follow these steps.

 

Reading Battery Life

View device battery life using the Latch Manager or Manager App. 

Battery life is refreshed every time a device is updated. If a device hasn't been updated for a while, the reported battery life could be out-of-date. If a battery hasn't been read for more than a month, it'll be reported as 'unknown', and you'll need to update the device to get a reading.

If your device is wire powered, you will only get a battery life reading when the device is disconnected from power. 

What of Batteries Should I Buy?

  • 6 x AA non-rechargeable alkaline batteries
  • Never mix old and new batteries. If you're replacing batteries, replace ALL the batteries with new ones of the same brand. Mixing can cause battery failure.

Changing batteries

Latch M

  1. Remove the Latch M's inner trim by removing the two screws on the top and bottom with a Phillips head screwdriver.
  2. Replace the 6 AA batteries with AA non-rechargeable alkaline batteries, noting the polarity on the battery tray (for step-by-step instructions, please refer to the Latch M installation guide.)
  3. Update the device.

Important: Replace ALL 6 AA batteries with new batteries of the same brand. Mixing and matching new and old batteries can cause battery failure and reduced battery life.

Important: Failing to update the device after battery replacement can result in unreliable functionality. How do I update a device?

Latch C and C2

  1. Remove the Latch C’s inner trim by removing the two screws on the top and bottom with a Phillips head screwdriver.
  2. Replace the 6 AA batteries with AA non-rechargeable alkaline batteries, noting the polarity on the battery tray.  Also, note the tabs on the outer sides of the battery compartment and the polarity. You will need to slide the battery into place under these tabs before placing the second battery. (For step-by-step instructions, please refer to the Latch C installation guide.)
  3. Update the device

Important: Replace ALL 6 AA batteries with new batteries of the same brand. Mixing and matching new and old batteries can cause battery failure and reduced battery life.

Important: Failing to update the device after battery replacement can result in unreliable functionality. How do I update a device?

 

 

 

Firmware Upgrades

Firmware Upgrades offer numerous optimizations and improvements to Latch device performance, functions and overall security.

To Firmware Upgrade the Latch device (while physically at the device):

1. Open the Latch Manager App (available only on iOS devices)

2. Select the corresponding property

3. Select the corresponding door / lock name

4. Select 'Firmware Upgrade'

The Firmware Upgrade may take up to 10 minutes. During this time, please do not step away from the device or close out the App. If the Firmware Upgrade fails upon first try, please reset the Manager App by closing out and reopening the App, then reattempt the Upgrade 2-3 more times. If unsuccessful after 3 tries, please let us know.

 

Best,

Swapping out or Deactivating a Latch Device

It's easy to swap out or deactivate a Latch device without causing disruption. Deactivating removes all access from the device, and disassociates it from the door which it was assigned to. Once deactivated, a different door can then be reassigned to the device.

 

1. Deactivate the Existing Latch Device 

  1. Ensure you have access to the door - if you don't, ask your administrator to give you access
  2. Using the Manager App, navigate to the devices list
  3. Select the door which you want to deactivate the Latch device from
  4. Select 'deactivate'

 

2. Activate a New Latch Device on the Door

  • Ensure that the door name remains unchanged when programming the new Latch device. This ensures that the right people will still be able to access this door.