Replace the battery by opening the camera's back panel, sliding out the old batteries, and inserting fresh ones in the correct direction

Most Blink cameras use two AA batteries that slide into a compartment on the back of the unit. The process takes less than a minute: power off the camera, locate the battery door on the rear panel, slide or unclip it open, remove the old batteries, and insert new ones with the positive end facing the spring contact. Close the door, power the camera back on, and check the app to confirm the battery level has updated.

The exact mechanism varies slightly by model. Blink Indoor cameras and Blink Outdoor cameras both use AA batteries, but the door design differs — some models have a sliding panel while others have a hinged door with a small latch. Check your specific model's manual or the label inside the battery compartment to confirm the correct battery type and orientation before inserting new ones.

Key Takeaways

  • Blink cameras use two AA batteries that sit in a compartment on the back panel, accessible without tools.
  • Always power off the camera before opening the battery door to avoid connection errors.
  • Insert batteries with the positive (+) end facing the spring contact, which is usually marked inside the compartment.
  • The battery level in your Blink app updates within a few minutes of inserting fresh batteries.
  • If the camera does not power on after battery replacement, remove the batteries for 10 seconds, reinsert them, and try again.

Where to find the battery compartment

The battery door is located on the back of the camera body. On Blink Indoor models, it is a small rectangular panel near the bottom center of the back. On Blink Outdoor cameras, the panel is slightly larger and positioned similarly. Look for a small arrow or line indicating which direction to slide the door, or a small notch where you can insert a fingernail to pry it open.

If you cannot locate the compartment, refer to the quick-start guide that came with your camera or visit the Blink support site and search for your model number. The model number appears on the bottom of the camera or on the original packaging.

Steps to remove and replace the batteries

Power off the camera using the Blink app or by pressing the reset button on the back (if your model has one). Open the battery door by sliding it in the direction of the arrow or by gently prying it with your fingernail. Do not force it — the panel should move smoothly.

Once the door is open, you will see two AA batteries sitting side by side. Gently push each battery toward the spring contact to release it, then slide it out. Note the orientation: the positive end (marked with a +) should be facing the metal spring. Insert the new batteries in the same direction, pushing each one in until it clicks or seats firmly against the spring.

Close the battery door by sliding it back into place or pressing the hinged panel shut until you hear or feel a click. The door should sit flush with the camera body. Power the camera back on using the app or the reset button.

What battery type to use

Blink cameras require two AA batteries. The app does not specify alkaline versus rechargeable, but alkaline batteries (such as Duracell or Energizer AA) are the most common choice and typically last 2 to 3 years depending on how often the camera records. Rechargeable AA batteries work as well, though they may not last as long per charge cycle.

Avoid mixing old and new batteries in the same camera, and do not use expired batteries. If you use rechargeable batteries, charge them fully before inserting them. The battery level shown in the Blink app reflects the current charge state, so a freshly charged rechargeable battery should show as full.

How to check battery level in the app

Open the Blink app and tap on the camera you just replaced batteries in. Tap the settings icon (usually a gear symbol) at the top right. Scroll down to find the battery or power section — it will display the current battery percentage. If you just inserted fresh alkaline batteries, the level should show as 100% or "full" within a few minutes.

If the battery level does not update after 10 minutes, remove the batteries, wait 10 seconds, reinsert them, and check again. Sometimes the camera needs a moment to recognize the new batteries. If the level still shows as low or does not appear, the batteries may be inserted backwards or the compartment contacts may need cleaning.

Troubleshooting a camera that will not power on after battery replacement

If the camera does not turn on after you insert new batteries, first confirm that the batteries are inserted with the positive end facing the spring contact. Remove the batteries, look inside the compartment, and check which end of the spring is raised — that is where the positive end should point. Reinsert the batteries and try again.

If the camera still does not power on, remove the batteries and wait 10 seconds before reinserting them. This resets the camera's connection. If it remains unresponsive, try a different pair of fresh batteries to rule out a defective battery. If a second pair also does not work, the battery compartment contacts may be corroded or the camera may have a hardware fault — contact Blink support with your model number and the date of purchase.

How often to replace batteries

Battery life depends on how often your camera records. A camera that records 10 to 20 clips per day may need new batteries every 2 to 3 years, while a camera in a low-traffic area might go 3 to 5 years. The Blink app will show the battery percentage declining over time — when it reaches 10% or lower, plan to replace the batteries within the next few weeks.

You do not have to wait until the battery is completely dead. Replacing batteries when they reach 10% to 20% prevents the camera from losing power unexpectedly and missing recordings. Keep a spare pair of AA batteries on hand so you can swap them in when ready if needed.

Frequently Asked Questions

Can I use rechargeable batteries in my Blink camera?

Yes, rechargeable AA batteries work in Blink cameras. Charge them fully before inserting them, and expect them to last fewer charge cycles than alkaline batteries — typically 1 to 2 years of regular use. The app will display the current charge level just as it does with alkaline batteries.

What happens if I insert the batteries backwards?

If both batteries are inserted with the negative end facing the spring, the camera will not power on. The app will show no connection to the device. Remove the batteries, flip them around so the positive (+) end faces the spring contact, and reinsert them. The camera should power on within a few seconds.

Do I need to reset the camera after changing batteries?

No reset is required in most cases. straightforward close the battery door and the camera will power on automatically. The app should recognize the camera within a minute and display the updated battery level. If the camera does not appear in the app after 5 minutes, try removing and reinserting the batteries once more.

Why does the battery level drop quickly after I replace the batteries?

If new batteries show a declining level within days, the camera may be recording very frequently due to motion detection sensitivity set too high, or the batteries may be defective. Check your motion detection settings in the app and lower the sensitivity if needed. If the level continues to drop rapidly with a second pair of batteries, the camera may have a hardware issue.

Can I replace just one battery instead of both?

It is best to replace both batteries at the same time. Mixing an old battery with a new one can cause uneven power delivery and may shorten the lifespan of the new battery. If one battery is clearly dead and the other still has charge, you can temporarily use one new battery to get the camera working, but replace the second one as soon as possible.