# How to Replace the Batteries in Your August Smart Lock > This article provides instructions for replacing the batteries in all models of August Smart Lock.Select your Smart Lock model from the menu below for instru... Source: https://yale-smart-residential.kustomer.support/en_us/how-to-change-your-august-smart-lock-batteries-H1ygAiC53 Last updated: 2023-07-26T14:30:04.926Z This article provides instructions for replacing the batteries in all models of August Smart Lock. Select your Smart Lock model from the menu below for instructions specific to that model. If you are unsure of which model you have, consult the [serial number](https://support.august.com/how-do-i-find-my-lock's-serial-number-SkpeDU10OG) located on the back of the device. [Wi-Fi Smart Lock](#)[Smart Lock, 3rd Gen](#) [Smart Lock Pro / Smart Lock, 2nd Gen](#) [Smart Lock, 1st Gen](#) ## How to Replace the Batteries in the August Wi-Fi Smart Lock PLEASE NOTE: Your August Wi-Fi Smart Lock has 2 3V CR123 or CR123A Lithium batteries. It is important to **replace both batteries at the same time**. We do not recommend using rechargeable batteries because of their limited capacity. If you have replaced the batteries already, yet you are still receiving low-battery alerts, [this article](https://support.august.com/false-battery-alerts-H1FtTAF2N) provides troubleshooting. Press down on the August logo located at the bottom of the face plate. The top of the face plate will tilt outward. Grab the faceplate to remove it from the lock. ![](https://cdn.kustomerhostedcontent.com/media/5a79d3e2c8b66e0001ba953e/85908dc654c90c9b43e3a4b9093c3274.png) Remove both batteries and replace with 2 standard non-rechargeable CR123 lithium batteries, ensuring the positive (+) ends are pointing up. After you replace both batteries you will see the Smart Lock blink green twice, followed by a third, longer blink. ![](https://cdn.kustomerhostedcontent.com/media/5a79d3e2c8b66e0001ba953e/34bf19e534f3beece645c1b90ed4baf7.png) Place the faceplate back onto the August Smart Lock with the August logo oriented at the bottom of the face plate. ![](https://cdn.kustomerhostedcontent.com/media/5a79d3e2c8b66e0001ba953e/856500a953a778e555a25593e9eafd27.png) ## How to Replace the Batteries in Smart Lock, 3rd Generation PLEASE NOTE: Your August Smart Lock has 4 AA batteries. It is important to **replace all 4 batteries at the same time**. Please use only **standard alkaline non-rechargeable** batteries. Lithium and extended life alkaline batteries will not provide you with the optimal experience and could result in not being alerted that your batteries are dying or alerting you when they are not. If you have replaced the batteries already, yet you are still receiving low-battery alerts, [this article](https://support.august.com/false-battery-alerts-H1FtTAF2N) provides troubleshooting. Remove the faceplate by sliding the top of the front face upwards to remove the battery compartment cover. ![](https://cdn.kustomerhostedcontent.com/media/5a79d3e2c8b66e0001ba953e/f9c6151b5da86e8919bfce97d019a6e9.jpg) Remove all 4 batteries from the battery compartment by pulling the gray tab on the on the top right corner. Replace all 4 batteries with **standard non-rechargeable** **alkaline batteries,** ensuring the that the battery pull tab is behind the batteries. Place the bottom 2 batteries with the positive (+) ends to the left, and the top 2 batteries with the positive (+) ends to the right. After the batteries are inserted, the unit will make a slight beeping noise upon its initial power up. ![](https://cdn.kustomerhostedcontent.com/media/5a79d3e2c8b66e0001ba953e/f373bca6fb3415daf6d8a5402ff347d1.jpg) Place the faceplate back onto the August Smart Lock by sliding it back over the batteries until it clicks into place. ![](https://cdn.kustomerhostedcontent.com/media/5a79d3e2c8b66e0001ba953e/c71fbc6293153974cc0339cd567c69d5.jpg) ## How to Replace the Batteries in the Smart Lock Pro and Smart Lock, 2nd Generation PLEASE NOTE: Your August Smart Lock has 4 AA batteries. It is important to **replace all 4 batteries at the same time**. Please use only **standard alkaline non-rechargeable** batteries. Lithium and extended life alkaline batteries will not provide you with the optimal experience and could result in not being alerted that your batteries are dying or alerting you when they are not. If you have replaced the batteries already, yet you are still receiving low-battery alerts, [this article](https://support.august.com/false-battery-alerts-H1FtTAF2N) provides troubleshooting. Press down on the August logo located at the bottom of the face plate. The top of the face plate will tilt outward. Grab the faceplate to remove it from the lock. ![](https://cdn.kustomerhostedcontent.com/media/5a79d3e2c8b66e0001ba953e/e7574f79318005cae40bc90bf83024dd.png) Remove all 4 batteries and replace with 4 **standard non-rechargeable** **alkaline batteries**, ensuring the positive (+) end is pointing up. Make sure the batteries snap into place, and the light on your Smart Lock flashes **green**. ![](https://cdn.kustomerhostedcontent.com/media/5a79d3e2c8b66e0001ba953e/71a09a17a8c514038594e10704b90394.png) Place the faceplate back onto the August Smart Lock with the August logo oriented at the bottom of the face plate. ![](https://cdn.kustomerhostedcontent.com/media/5a79d3e2c8b66e0001ba953e/b12ff974817dd88b834e62cce3922855.png) ## How to Replace the Batteries the Smart Lock, 1st Generation PLEASE NOTE: Your August Smart Lock has 4 AA batteries. It is important to **replace all 4 batteries at the same time**. Please use only **standard alkaline non-rechargeable** batteries. Lithium and extended life alkaline batteries will not provide you with the optimal experience and could result in not being alerted that your batteries are dying or alerting you when they are not. If you have replaced the batteries already, yet you are still receiving low-battery alerts, [this article](https://support.august.com/false-battery-alerts-H1FtTAF2N) provides troubleshooting. Press on the faceplate and turn counterclockwise to loosen and remove the battery cover. ![](https://cdn.kustomerhostedcontent.com/media/5a79d3e2c8b66e0001ba953e/eb90a6a00cc13382bb74c83b4b6cca67.png) Pull the ribbon to remove all 4 AA batteries. ![](https://cdn.kustomerhostedcontent.com/media/5a79d3e2c8b66e0001ba953e/76a2e0d1c6b966847dc8a1dec7d13422.png) Replace with 4 new **standard non-rechargeable** **alkaline batteries**, positive (+) end up. Make sure the batteries snap into place, and the light on your Smart Lock flashes **green**. Align the faceplate hooks with the August Smart Lock. Replace the faceplate and turn clockwise to tighten. The faceplate will lock into place with the August logo oriented at the bottom. ![](https://cdn.kustomerhostedcontent.com/media/5a79d3e2c8b66e0001ba953e/b34bbbaf24f00a78200642db3d26ac56.png) You may continue to receive low-battery alerts after replacing the batteries. These alerts should stop after you have operated the lock 3 times using the App. This should stop the low-battery alerts until the next time the batteries reach 25% capacity. ##### Related Products: * [Wi-Fi Smart Lock](https://august.com/products/august-wifi-smart-lock) * [Smart Lock Pro](https://august.com/products/august-smart-lock-pro-connect) * [August Smart Lock](https://august.com/products/august-smart-lock-connect) ## Related Articles ##### False Battery Alerts We strongly recommend that you use brand new standard alkaline batteries when you replace your device’s batteries. Lithium and extended life alkaline batteri...  [View more](https://support.august.com/false-battery-alerts-H1FtTAF2N)   ##### How to Replace the Batteries in Your Connected by August Lock This article will help with the replacement of the batteries in your Connected by August Module lock. PLEASE NOTE: Remove and replace all 4 batterie...  [View more](https://support.august.com/changing-batteries-in-your-connected-by-august-lock-Hycn1awKX)   ##### Why is My Lock Flashing Red? A flashing red light on your Smart Lock indicates that your batteries need to be replaced. To resolve this issue, replace your existing batteries with a fresh s...  [View more](https://support.august.com/why-is-my-lock-flashing-red-BJagwU1Adf)