--- title: "How to Replace Deadbolt or Deadlatch lock batteries" slug: "replace-deadbolt-or-deadlatch-lock-batteries" description: "Learn how to quickly and safely replace deadbolt or deadlatch motorized lock batteries—no need to remove the lock. Step-by-step guide with safety tips." updated: 2026-03-02T16:15:50Z published: 2026-03-02T16:15:50Z canonical: "support.digilock.com/replace-deadbolt-or-deadlatch-lock-batteries" --- > ## Documentation Index > Fetch the complete documentation index at: https://support.digilock.com/llms.txt > Use this file to discover all available pages before exploring further. # Replace Deadbolt or Deadlatch lock batteries It is not necessary to remove the lock from the door. In case of battery failure, insert and leave a valid Manager Key into the key slot until the lock operates. > [!NOTE] > **NOTE:** The Manager Key will need to be left inserted for 5 seconds to power jump the lock. > [!CAUTION] > **CAUTION:** Risk of explosion or leakage if battery is replaced by an incorrect type, mixed with a different battery type, or inserted backwards. Replace all batteries of a set at the same time. Be sure to insert batteries with correct polarities. Remove exhausted batteries from the product promptly and dispose of used batteries according to the battery manufacturer’s instructions. ## Replace the batteries on Deadbolt or Deadlatch motorized rear units 1. Remove the screw from the Cover Plate with a Phillips head screwdriver. Remove the Cover Plate by lifting the tab at the edge of the cover, below the arrows. ![](https://cdn.us.document360.io/43e2fe2d-295f-490f-80b5-6c5ccfc382bb/Images/Documentation/motorized-replace-batteries-step1.png?sv=2026-02-06&spr=https&st=2026-11-10T07%3A01%3A35Z&se=2026-11-10T08%3A01%3A35Z&sr=c&sp=r&sig=7gMmqw2leIQS%2FXg6kdjK1tHFbjxRK3zY3ugn91VueHc%3D) 2. Remove the batteries from the housing. Replace with four premium alkaline AA batteries. Dispose of or recycle used batteries according to local regulations. ![](https://cdn.us.document360.io/43e2fe2d-295f-490f-80b5-6c5ccfc382bb/Images/Documentation/motorized-replace-batteries-step2.png?sv=2026-02-06&spr=https&st=2026-11-10T07%3A01%3A35Z&se=2026-11-10T08%3A01%3A35Z&sr=c&sp=r&sig=7gMmqw2leIQS%2FXg6kdjK1tHFbjxRK3zY3ugn91VueHc%3D) 1. Replace the Cover Plate and secure with the screw. ![](https://cdn.us.document360.io/43e2fe2d-295f-490f-80b5-6c5ccfc382bb/Images/Documentation/motorized-replace-batteries-step3.png?sv=2026-02-06&spr=https&st=2026-11-10T07%3A01%3A35Z&se=2026-11-10T08%3A01%3A35Z&sr=c&sp=r&sig=7gMmqw2leIQS%2FXg6kdjK1tHFbjxRK3zY3ugn91VueHc%3D) --- ## Replace Orbit lock batteries 1. Remove the screw from the Cover Plate with a Phillips head screwdriver. Remove the Cover Plate by lifting the tab at the edge of the cover. ![](https://cdn.us.document360.io/43e2fe2d-295f-490f-80b5-6c5ccfc382bb/Images/Documentation/orbit-replace-batteries-step1.png?sv=2026-02-06&spr=https&st=2026-11-10T07%3A01%3A35Z&se=2026-11-10T08%3A01%3A35Z&sr=c&sp=r&sig=7gMmqw2leIQS%2FXg6kdjK1tHFbjxRK3zY3ugn91VueHc%3D) 2. Remove the batteries from the housing. Replace with four premium lithium 123A batteries. Dispose or recycle used batteries according to local regulations. ![](https://cdn.us.document360.io/43e2fe2d-295f-490f-80b5-6c5ccfc382bb/Images/Documentation/orbit-replace-batteries-step2.png?sv=2026-02-06&spr=https&st=2026-11-10T07%3A01%3A35Z&se=2026-11-10T08%3A01%3A35Z&sr=c&sp=r&sig=7gMmqw2leIQS%2FXg6kdjK1tHFbjxRK3zY3ugn91VueHc%3D) 3. Replace the Cover Plate and secure with the screw. ![](https://cdn.us.document360.io/43e2fe2d-295f-490f-80b5-6c5ccfc382bb/Images/Documentation/orbit-replace-batteries-step3.png?sv=2026-02-06&spr=https&st=2026-11-10T07%3A01%3A35Z&se=2026-11-10T08%3A01%3A35Z&sr=c&sp=r&sig=7gMmqw2leIQS%2FXg6kdjK1tHFbjxRK3zY3ugn91VueHc%3D) ![Manager Key](https://cdn.us.document360.io/43e2fe2d-295f-490f-80b5-6c5ccfc382bb/Images/Documentation/key_manager-01.png?sv=2026-02-06&spr=https&st=2026-11-10T07%3A01%3A35Z&se=2026-11-10T08%3A01%3A35Z&sr=c&sp=r&sig=7gMmqw2leIQS%2FXg6kdjK1tHFbjxRK3zY3ugn91VueHc%3D) - Overrides user access - Allows management inspection - Provides external power - Sets lock functionality if applicable (lock must be a keypad with a Deadbolt) ![5G-rearunit-deadbolt-highlight-02](https://cdn.us.document360.io/43e2fe2d-295f-490f-80b5-6c5ccfc382bb/Images/Documentation/5G-rearunit-deadbolt-highlight-02.png?sv=2026-02-06&spr=https&st=2026-11-10T07%3A01%3A35Z&se=2026-11-10T08%3A01%3A35Z&sr=c&sp=r&sig=7gMmqw2leIQS%2FXg6kdjK1tHFbjxRK3zY3ugn91VueHc%3D) A solid, motor-driven bolt that extends into the locker frame. ![5G-rearunit-deadlatch-highlight-02](https://cdn.us.document360.io/43e2fe2d-295f-490f-80b5-6c5ccfc382bb/Images/Documentation/5G-rearunit-deadlatch-highlight-02.png?sv=2026-02-06&spr=https&st=2026-11-10T07%3A01%3A35Z&se=2026-11-10T08%3A01%3A35Z&sr=c&sp=r&sig=7gMmqw2leIQS%2FXg6kdjK1tHFbjxRK3zY3ugn91VueHc%3D) A spring-loaded bolt that automatically secures when the door closes. It requires a valid credential to open but doesn’t need manual locking. ![d6_orbit_black_white_bypass-FF-01](https://cdn.us.document360.io/43e2fe2d-295f-490f-80b5-6c5ccfc382bb/Images/Documentation/d6_orbit_black_white_bypass-FF-01.png?sv=2026-02-06&spr=https&st=2026-11-10T07%3A01%3A35Z&se=2026-11-10T08%3A01%3A35Z&sr=c&sp=r&sig=7gMmqw2leIQS%2FXg6kdjK1tHFbjxRK3zY3ugn91VueHc%3D)