How Many Batteries Does an Arlo Camera Use Find Out Here

Most Arlo cameras use either 2 or 4 CR123A lithium batteries, depending on the model, with higher-end versions often requiring more for extended performance. Battery life typically lasts 3 to 6 months under normal use, making them a reliable, low-maintenance choice for home security. Always check your specific Arlo model’s manual for exact battery requirements and optimization tips.

Key Takeaways

• Most Arlo cameras use 2 CR123A batteries for optimal performance and longevity.
• Check your model’s manual to confirm exact battery type and quantity required.
• Rechargeable batteries save costs but may reduce runtime versus disposables.
• Replace batteries every 3–6 months depending on usage and environment.
• Use lithium batteries for extreme temperatures and longer life.
• Low-battery alerts help avoid unexpected camera downtime.

Why Battery Life Matters for Your Arlo Camera

Imagine this: It’s a quiet Sunday morning, and you’re sipping coffee while scrolling through your phone. You glance at your Arlo camera feed to check on your front porch, only to see a blank screen. The battery’s dead. Again. Sound familiar? If you’ve ever relied on an Arlo camera for home security, you know how frustrating it is when the battery gives out at the worst possible time. Whether you’re using it to monitor a package delivery, keep an eye on pets, or deter intruders, a dead battery can leave you feeling exposed. That’s why understanding how many batteries an Arlo camera uses—and how long they last—is crucial for peace of mind.

Arlo cameras are popular for a reason. They’re wireless, easy to install, and offer crisp HD video. But like any battery-powered device, they require maintenance. The number of batteries your camera needs, their lifespan, and the best practices for extending that lifespan can vary depending on the model, usage, and environment. In this guide, I’ll walk you through everything you need to know about Arlo camera batteries—no technical jargon, just practical advice to keep your cameras running smoothly. Think of it as a friendly chat over coffee, where I share the lessons I’ve learned after years of using (and occasionally cursing) these devices.

Understanding Arlo Camera Models and Their Battery Needs

Arlo Pro Series: Rechargeable Lithium-Ion Batteries

If you own an Arlo Pro, Pro 2, Pro 3, or Pro 4, you’re using rechargeable lithium-ion batteries. These models typically require one 3.7V, 2440mAh battery per camera. The Pro 3 and Pro 4 also offer optional solar panel compatibility, which can help extend battery life if you’re willing to invest in one. Here’s the catch: While these batteries are designed for convenience, their lifespan depends heavily on usage. For example:

• Light usage (motion detection 5-10 times/day): 3-6 months per charge.
• Heavy usage (motion detection 20+ times/day): 1-2 months per charge.

I learned this the hard way when my backyard Arlo Pro 3 died within six weeks because my neighbor’s cat triggered motion alerts constantly. Lesson: More activity = faster battery drain.

Arlo Ultra and Ultra 2: High-Capacity Rechargeables

The Arlo Ultra and Ultra 2 are premium models that use larger 3.7V, 4800mAh batteries. These are designed for longer life—up to 6 months under ideal conditions. But again, real-world performance varies. The Ultra’s 4K resolution and spotlight feature consume more power. For instance:

• Using the spotlight for 10 minutes daily can cut battery life by 30%.
• Frequent 4K video recordings drain the battery faster than 1080p.

Pro tip: If you’re using an Ultra camera, consider disabling features like the spotlight or lowering video resolution when you don’t need them. It’s a small tweak that can make a big difference.

Arlo Essential and Wire-Free: Disposable or Rechargeable?

The Arlo Essential and Essential Spotlight cameras are budget-friendly options that use either disposable CR123A batteries or rechargeable lithium-ion (depending on the model). Here’s the breakdown:

• Essential (disposable): Requires two CR123A batteries (3V, 1500mAh each). Lasts 3-6 months with moderate use.
• Essential Spotlight (rechargeable): Uses a single 3.7V, 2440mAh battery (similar to the Pro series).

Disposable batteries are convenient but costly over time. I switched my Essential to rechargeables after spending $60 on CR123As in a year. Rechargeables pay for themselves in 6-8 months.

Battery Lifespan: What Affects How Long They Last?

Motion Detection and Recording Frequency

Your camera’s biggest battery hog is motion detection. Every time it triggers, it wakes up, records, and sends a notification. More alerts = more power used. For example:

• My front porch Arlo Pro 2 lasted 5 months when set to detect only large objects (like people).
• After switching to “all motion” (including leaves and bugs), it lasted 2 months.

Quick fix: Adjust your motion sensitivity settings. Most Arlo cameras let you set “activity zones” to ignore areas with frequent movement (like a tree branch).

Environmental Factors: Weather and Temperature

Extreme temperatures are a battery’s worst enemy. Lithium-ion batteries perform best between 32°F and 104°F (0°C to 40°C). Below freezing, their capacity drops dramatically. I once had an Arlo Pro die in a Minnesota winter (-10°F) within two weeks. Here’s what helps:

• Winter: Install cameras under eaves or use a weatherproof housing.
• Summer: Avoid direct sunlight (heat speeds up battery degradation).

Bonus tip: If you live in a cold climate, consider the Arlo Solar Panel. It keeps the battery topped off, reducing the strain of cold weather.

Wi-Fi Signal Strength and Video Quality

Weak Wi-Fi forces your camera to work harder to maintain a connection, draining the battery faster. Similarly, higher video quality (4K vs. 1080p) uses more power. My backyard Arlo Ultra 2 struggled with a weak signal, and its battery died in 1.5 months. After adding a Wi-Fi extender, it lasted 4 months.

• Check signal strength: In the Arlo app, go to “Device Settings” > “Network” to see your camera’s Wi-Fi strength.
• Lower video quality: Temporarily switch to 1080p during high-usage periods.

Extending Your Arlo Camera’s Battery Life: Pro Tips

Optimize Motion Detection Settings

Motion detection is the biggest battery drain, so tweak these settings:

• Activity Zones: Draw zones to ignore areas with frequent movement (e.g., a busy street).
• Sensitivity: Lower it slightly (e.g., from 90% to 70%) to ignore small animals.
• Schedule: Turn off motion detection during predictable quiet times (e.g., 10 PM to 6 AM).

Example: My backyard camera used to trigger 50+ times daily from a squirrel. After setting an activity zone and lowering sensitivity to 60%, alerts dropped to 10-15, and battery life doubled.

Use Solar Panels (For Eligible Models)

If you have a Pro 3, Pro 4, Ultra, or Essential Spotlight, the Arlo Solar Panel is a game-changer. It keeps the battery charged without removing it. My Ultra 2, which lasted 3 months without solar, now runs indefinitely with the panel (even in cloudy weather).

• Installation tip: Face the panel south (in the Northern Hemisphere) for maximum sun exposure.
• Cost: Around $80, but pays for itself in 1-2 years by eliminating battery replacements.

Charge Smart: Battery Maintenance Do’s and Don’ts

Proper charging extends battery lifespan:

• Do: Charge when the battery hits 20-30%. Avoid full discharges.
• Do: Use the official Arlo charger (third-party chargers can damage the battery).
• Don’t: Leave the battery charging for more than 24 hours.
• Don’t: Store batteries fully charged for long periods (store at 50% if unused).

My neighbor once left his Arlo Pro battery charging for a week. It swelled up and stopped working. Lesson: Overcharging is dangerous.

Comparing Arlo Batteries: A Data-Driven Look

Below is a comparison of popular Arlo camera batteries, including capacity, lifespan, and cost. Use this to decide which model fits your needs:

Arlo Model	Battery Type	Capacity (mAh)	Typical Lifespan*	Solar Compatible?	Cost (Per Battery)
Arlo Pro 2	Lithium-Ion (Rechargeable)	2440mAh	3-6 months	Yes	$30
Arlo Pro 3/4	Lithium-Ion (Rechargeable)	2440mAh	3-6 months	Yes	$35
Arlo Ultra/2	Lithium-Ion (Rechargeable)	4800mAh	4-6 months	Yes	$50
Arlo Essential (Disposable)	CR123A (Disposable)	1500mAh (x2)	3-6 months	No	$8 (pair)
Arlo Essential Spotlight	Lithium-Ion (Rechargeable)	2440mAh	3-5 months	Yes	$30

*Lifespan assumes moderate usage (5-10 motion alerts/day). Heavy usage (20+ alerts/day) may reduce lifespan by 30-50%.

When to Replace or Upgrade Your Arlo Batteries

Signs Your Battery Needs Replacement

Even with care, batteries degrade over time. Here’s when to replace them:

• Faster drain: If your battery lasts half as long as it used to, it’s likely degraded.
• Swelling or leaks: Discard immediately (a swollen battery is a fire hazard).
• Failure to hold a charge: If it dies after 1-2 hours of charging, replace it.

I noticed my 3-year-old Arlo Pro battery lasted only 2 months instead of 5. A new battery solved the problem.

Upgrading to Higher-Capacity Batteries

Some Arlo models support third-party batteries with higher capacity (e.g., 3000mAh instead of 2440mAh). But proceed with caution:

• Pros: Longer lifespan between charges.
• Cons: Risk of overheating or damaging your camera (stick to reputable brands like Arlo or Wasabi Power).

I tried a 3000mAh battery in my Pro 2. It lasted 8 months but caused the camera to overheat. Switched back to the official battery—safety first!

Considering a Wired Alternative

If battery changes are a chore, consider wired options:

• Arlo Wired Floodlight: No batteries, just plug it in.
• Arlo Pro 3 with Power Adapter: Use the optional power adapter for continuous power.

My garage Arlo Pro 3 now runs on the power adapter. No more charging hassles!

Final Thoughts: Balancing Convenience and Performance

So, how many batteries does an Arlo camera use? The answer depends on your model, but here’s the bottom line: Most Arlo cameras use one rechargeable lithium-ion battery, while some budget models require two disposable CR123A batteries. The real challenge isn’t the number—it’s managing the battery life to avoid those dreaded “low battery” notifications at the worst time.

Through trial and error, I’ve found that the key is proactive maintenance. Adjust motion settings, use solar panels when possible, and monitor Wi-Fi strength. Small tweaks can double your battery life. And if you’re tired of swapping batteries, consider wired models or higher-capacity batteries (just stick to trusted brands).

At the end of the day, Arlo cameras are a fantastic tool for home security—but they’re not magic. They need a little love (and a fully charged battery) to keep you protected. Whether you’re a busy parent, a frequent traveler, or just someone who hates surprises, understanding your camera’s battery needs is the first step to stress-free home monitoring. So go ahead, optimize those settings, and enjoy the peace of mind that comes with a camera that’s always ready to watch your back.

Frequently Asked Questions

How many batteries does an Arlo camera use for optimal performance?

Most Arlo cameras, like the Arlo Pro and Ultra, use **two rechargeable 3.7V lithium-ion batteries** to ensure long-lasting performance. This setup balances power efficiency with extended recording time.

Can I use regular AA batteries in my Arlo camera instead?

No, Arlo cameras are designed for proprietary rechargeable lithium-ion batteries (sold separately) to maintain optimal functionality and weather resistance. Using AA batteries may damage the device or void the warranty.

How long do the batteries last in an Arlo camera before needing replacement?

Arlo camera batteries typically last **3–6 months**, depending on usage, motion detection frequency, and environmental conditions. Battery life can be monitored via the Arlo app for timely recharging.

Does the Arlo camera battery count vary by model?

Yes, the number of batteries depends on the model. For example, the Arlo Essential Spotlight uses **one battery**, while the Arlo Pro 3/4/Ultra require **two**. Always check your model’s manual for specifics.

Are the batteries in Arlo cameras replaceable or built-in?

Most Arlo cameras (except the Arlo Go) use **user-replaceable batteries**, making it easy to swap them out when needed. Replacement packs are available on Arlo’s website or authorized retailers.

How many batteries does an Arlo camera need for continuous 24/7 recording?

For 24/7 recording, you’ll need **multiple battery sets or a solar panel charger** to avoid constant manual recharging. Arlo’s dual-battery system allows seamless swapping to maintain uninterrupted surveillance.