Changing the Battery in the Core and Solo

Nexkey Core

A screwdriver, a cylindrical metallic device with a security screw, and a purple battery on a light surface.

Battery can be changed with the Core installed

You’ll need: Torx T6 screwdriver and a ER14250 battery

Step 1. Remove security screw from the Core handle

Step 2. Slide off handle (may be harder if o-rings are installed)

Step 3. Gently pull back retaining ring

Step 4. Slide old battery out and install new battery with the (+) face-down into the Core

Step 5. Reinstall retaining ring, ensure the screw holes align, slide on handle then reinstall security screw

Step 6. LED will turn on when handle is reinstalled. Once it turns off tap, the front to connect to your phone

Update Last Battery Change Setting in the Nexkey App or Portal

By performing this step, Nexkey will send a email when it's time to replace the battery again.

Step 1. Select Keys tab

Step 2. Select the lock you just changed the battery in

Step 3. Select Settings and scroll down to the bottom

Step 4. Select Last Battery Change

Step 5. Select date of battery change

Smartphone displaying a settings menu with a calendar for selecting the last battery change date, focused on November 20, 2023.
Nexkey Core settings page showing description, timezone (America/New_York), and last battery change date (10/02/2023). Includes a note about battery replacement reminders and a link for changing the battery.

Nexkey Solo

Security door latch with a security screw indicated, a screwdriver, and two lithium batteries.

Battery can be changed with the Solo installed.

But we have found it is easier when removed from the door frame.

You’ll need: Torx T6 screwdriver and (2) ER14250 batteries

Step 1. Remove security screw

Step 2. Remove black battery cover

Step 3. Remove batteries by hand

Step 4. Install new batteries with the (+) terminals pointing towards each other

Step 5. Reinstall the battery cover

Update Last Battery Change Setting in the Nexkey App or Portal

By performing this step, Nexkey will send a email when it's time to replace the battery again.

Step 1. Select Keys tab

Step 2. Select the lock you just changed the battery in

Step 3. Select Settings and scroll down to the bottom

Step 4. Select Last Battery Change

Step 5. Select date of battery change

Smartphone display showing a settings menu with a calendar open to November 2023, highlighting the date November 20th. The screen shows options like Blackouts, Firmware Update, and Time Zone settings.
Nexkey battery change details with fields for description and time zone. Includes last battery change date as February 1, 2023, with a reminder feature and link for changing the battery in a Nexkey Solo.