To charge a Google Nest Cam (battery), pull the camera off its magnetic mount or stand, connect it to the charge cable and 7.5 W power adapter that came in the box, and plug the adapter into an indoor outlet. The status light pulses white while it charges and turns solid white when it’s full. A full charge from empty takes about 5 hours.
Below you’ll find the exact steps, what the lights and battery readings mean (including why it may stop at 80 percent), how cold weather affects charging, and how to keep the camera powered so you rarely need to take it down.
Quick Answer
- Grip the camera’s base and pull it off the magnetic mount or stand. Open the secure loop first if you installed one.
- Bring the camera indoors to a spot that’s above freezing.
- Connect the included charge cable to the camera and to the 7.5 W USB-A power adapter.
- Plug the adapter into a wall outlet and wait for the light to pulse white.
- Charge for about 5 hours, until the light is solid white, then remount the camera.
In This Guide
- What you need and which camera this covers
- How to charge a Nest Cam (battery)
- Status lights and battery level
- Charging in cold weather
- Keep it charged: continuous power options
- Make each charge last longer
- Troubleshooting
- Frequently Asked Questions
What You Need and Which Camera This Covers
This guide is for the Google Nest Cam (battery), the round, wire-free indoor/outdoor camera that attaches to a magnetic mount. It’s current as of September 2026. It does not cover the wired Nest Cam (indoor, wired), the Nest Cam with floodlight, or older Nest Cam IQ and Nest Cam Outdoor models, which run on constant power and have no battery to charge.
The Nest Doorbell (battery) charges in a similar way, with a few differences noted in the FAQ.
Here’s what you need, based on Google’s official specs:
- The included charge cable (3.3 feet, or 1 meter). Google rates this cable for indoor use only.
- The included 7.5 W USB-A power adapter. Google says to use only Google or Made for Google adapters. Other third-party adapters might send too little or too much power.
- An indoor outlet in a room above freezing.
- The Google Home app (optional) to check the battery percentage while charging.
The camera has a built-in, rechargeable 6 Ah lithium-ion battery. It isn’t designed to be removed or swapped, so you charge the whole camera.
How to Charge a Nest Cam (Battery)
Before you start: taking the camera down pauses its coverage of that area until you put it back. If you rely on it for security, charge it at a time when you’re home, or plan to keep it connected to power instead (see the continuous power section).
- Release the secure loop, if you used one. Some installations use the small secure loop (a strap that wraps around the camera and wall mount to deter theft). Pull down on its tab until it slips off the wall mount. Expected result: The camera is held only by the magnet.
- Remove the camera from the mount or stand. For the wall mount or magnetic plate, grip the base of the camera and pull it straight away from the plate. The magnet is strong, so use a firm, steady pull. For the tabletop stand, grip the base of the stand and pull the camera away from it. No tools or screws are needed.
- Bring it indoors. The camera is weather-resistant (IP54), but the included charge cable is indoor-rated. Charging also stops when the battery is below freezing. Charge on a table or counter inside.
- Connect the charge cable. Attach the charge cable’s camera end to the charging connector on the camera. It’s designed to fit only one way, so don’t force it. The exact connector design isn’t detailed in Google’s help pages, so match it to the cable that came in the box. Plug the other end (USB-A) into the 7.5 W power adapter.
- Plug the adapter into a wall outlet. Expected result: The camera’s status light starts pulsing white, which means it’s charging.
- Let it charge. Google says a full charge takes about 5 hours with the included adapter and cable. You can check progress in the Google Home app (see below).
- Wait for a solid white light. When the light is solid white while the cable is still connected, the battery is fully charged.
- Unplug and remount. Disconnect the cable and press the camera back onto its magnetic mount or stand. Refit the secure loop if you use one. Expected result: The light shows solid green (working normally) or turns off when idle, and the live view returns in the Google Home app.
Google explains charging, charge times and adapter rules in its Nest camera and doorbell battery help page. Its guide to removing a Nest camera from its mount shows the release steps for each mount type.
Status Lights and Battery Level
What the lights mean while charging
| Light | Meaning | What to do |
|---|---|---|
| Pulsing white (cable connected) | Charging | Leave it plugged in. |
| Solid white (cable connected) | Fully charged | Unplug and remount. |
| Solid yellow | Battery issue. The camera might not be able to operate. | See troubleshooting below. |
| Solid green | Working normally and connected to Wi-Fi | Nothing. |
| Off | Idle, turned off, offline, or battery depleted | If the camera won’t respond, charge it. |
Pulsing white also appears when the camera is starting up, so check whether the cable is connected before reading it as “charging”. Google’s full list is on its Nest camera lights and sounds page.
How to check the battery percentage in the Google Home app
- Open the Google Home app and go to the Home tab.
- Open Cameras, or find the camera under All devices, and select your Nest Cam.
- Tap Settings (the gear icon), then Battery.
Expected result: While charging, the battery display shows the current percentage. When the camera is on USB power for the long term, the battery information shows Continuous power. Menu names can shift slightly between app versions, but battery details are always in the camera’s settings.
The app also sends a notification when the battery is running low, so you don’t have to check it manually.
Why your camera stops at 80 percent
This confuses many owners. Google says the battery charges to 100 percent the first time you charge it. If the camera stays connected to a continuous power source during use, it charges only to 80 percent and stays at or below that level. This is deliberate. Keeping a lithium-ion battery below full while it’s always plugged in helps it last longer over the years. It’s not a fault.
Charging in Cold Weather
Temperature matters more than most people expect. Google’s specs list:
- Charging temperature: 32 to 104 degrees Fahrenheit (0 to 40 degrees Celsius).
- Operating temperature: -4 to 104 degrees Fahrenheit (-20 to 40 degrees Celsius).
The battery won’t charge below 32 degrees Fahrenheit (0 degrees Celsius), and it charges only slowly close to freezing. The camera can keep working in colder weather than it can charge in. So if you bring in a camera from a freezing porch, give it time to warm to room temperature before expecting normal charging speed. Cold weather also shortens how long each charge lasts, so expect to charge more often in winter.
Keep It Charged: Continuous Power Options
If taking the camera down every few months is a hassle, you can keep it powered all the time. Here’s how the options compare:
| Option | Where it works | Best for |
|---|---|---|
| Battery only, recharge as needed | Anywhere within Wi-Fi range | Spots with no outlet nearby |
| Included charge cable and adapter left plugged in | Indoors only (indoor-rated cable) | Indoor cameras near an outlet |
| Nest Cam stand (sold separately) | Indoors | Tabletop use with constant power |
| Weatherproof cable, 16 ft (5 m) or 33 ft (10 m), sold separately | Indoors or outdoors, plugged into an indoor or weatherproof outdoor outlet | Outdoor cameras you never want to take down |
Continuous power has another benefit. According to Google, 24/7 video history on the Nest Cam (battery) requires continuous power and a Google Home Premium Advanced subscription. Google renamed its Nest Aware subscription to Google Home Premium in October 2025. On battery alone, the camera records events rather than continuous video.
Which should you choose? If the camera is indoors and near an outlet, leaving the included cable connected is the cheapest option. For an outdoor camera you check often, the weatherproof cable saves you from climbing a ladder several times a year. If you only need event clips and the camera is hard to wire, stay on battery and use the saving tips below.
Make Each Charge Last Longer
Google estimates battery life by how busy the camera is. A typical camera recording about 9 to 12 events a day lasts about 3 months. A busy one lasts about 1.5 months, and a quiet one about 7 months. These settings, all in the camera’s Settings in the Google Home app, can stretch that time:
- Battery > Battery usage: choose More battery life to favor longevity over maximum recording.
- Battery > Automatic battery saver: turn it on so the camera saves power when the battery gets low.
- Wake-up sensitivity: set it to Low so passing cars or waving branches wake the camera less often.
- Maximum event length: shorter clips use less power.
- Events: turn off event types you don’t need.
- Video quality or bandwidth: a lower quality setting uses less energy.
- Activity zones: focus detection on the area you care about, such as a door rather than a busy sidewalk.
For more detail, see Google’s tips to save battery on Nest cameras and doorbells. If you’re pausing a camera for a while, you can also turn off your Google Nest camera instead of letting it drain.
Troubleshooting
The light doesn’t come on when you plug it in
- Test the outlet with another device, or try a different outlet.
- Make sure you’re using the included 7.5 W adapter and cable. Low-power USB ports on computers or third-party adapters may not deliver enough power.
- Reseat the cable on the camera so it’s fully connected.
- Check the charging contacts on the camera and cable for dirt or debris. Google recommends cleaning connector pads. Wipe them gently with a dry, lint-free cloth while unplugged.
It’s charging very slowly or not at all
The most common cause is temperature. If the camera has been outside in winter, it won’t charge until it warms above 32 degrees Fahrenheit (0 degrees Celsius), and it charges slowly near that point. Let it sit indoors for a while. Also confirm you’re using the included 7.5 W adapter, since a weaker adapter will take much longer.
The battery stops at 80 percent
That’s expected on continuous power, as explained above. The camera reaches 100 percent only on its first charge.
The light is solid yellow
Google says solid yellow indicates a battery issue, and the camera might not work. Charge it with the original adapter and cable for several hours at room temperature. If the light stays yellow, contact Google Nest support. The camera may need service or replacement under warranty.
The camera won’t reconnect after charging
Remount it and wait a minute for it to start up and rejoin Wi-Fi. If it still shows offline in the Google Home app, restart your router. If the camera stays offline, a reset may help. See how to reset a Google Nest camera, keeping in mind that a reset means setting it up again.
Frequently Asked Questions
How long does it take to charge a Nest Cam (battery)?
About 5 hours for a full charge from empty, using the included 7.5 W adapter and charge cable, according to Google.
Can I charge the Nest Cam without taking it off the mount?
Yes, if the camera is connected to continuous power, such as the stand or the weatherproof cable. With battery-only installs, you need to remove the camera from its mount to connect the indoor-rated charge cable.
Can I use a phone charger or a different USB cable?
Google recommends using only the included adapter, or Google and Made for Google adapters. Other adapters might supply too little or too much power. Stick with the original charge cable too, since it’s designed for the camera’s connector.
How do I know when it’s fully charged?
The status light turns solid white while the cable is still connected. You can also check the battery percentage under the camera’s Settings and Battery in the Google Home app.
Can I replace the battery?
No. The Nest Cam (battery) has a built-in rechargeable lithium-ion battery that isn’t designed to be user-replaceable. If it has a persistent battery fault (solid yellow light), contact Google support.
Does the Nest Doorbell (battery) charge the same way?
Mostly. It also takes about 5 hours and uses similar lights (pulsing white while charging, solid white when full). But Google doesn’t include the 7.5 W adapter with the doorbell, so you need a compatible one. A battery problem shows as a slowly blinking yellow light. If you’re setting up a doorbell next, see how to add a Nest Doorbell to Google Home.
Is it OK to leave the camera plugged in all the time?
Yes. Google designed it for that. On continuous power, it caps the charge at 80 percent to protect battery health, and the app shows Continuous power. Just remember the included cable is for indoor use only.
Summary
- Release the secure loop (if used) and pull the camera off its magnetic mount or stand.
- Take it indoors to a place above 32 degrees Fahrenheit (0 degrees Celsius).
- Connect the included charge cable and 7.5 W adapter, then plug into a wall outlet.
- Pulsing white means charging. Solid white means full, after about 5 hours.
- Check the battery under the camera’s Settings and Battery in the Google Home app. An 80 percent cap on continuous power is normal.
- Remount the camera, and consider continuous power or battery-saving settings.
Next step: open the camera’s Battery settings in the Google Home app and turn on Automatic battery saver so your next charge lasts longer.
Kermit Matthews is a freelance writer based in Philadelphia, Pennsylvania with more than a decade of experience writing technology guides. He has a Bachelor’s and Master’s degree in Computer Science and has spent much of his professional career in IT management.
He specializes in writing content about iPhones, Android devices, Microsoft Office, and many other popular applications and devices.