Is your Ring Video Doorbell Pro 2 acting up? Maybe it’s dropping offline, displaying a “low voltage” warning, or just not performing as crisply as you’d like? Chances are, your existing doorbell transformer might be the culprit. The Ring Doorbell Pro 2 is a powerhouse, packed with advanced features like 3D Motion Detection and Bird’s Eye View, and it needs a consistent, robust power supply to shine. That’s where a dedicated, high-quality transformer comes in.
Choosing the best transformer for Ring Doorbell Pro 2 is crucial for ensuring stable operation, preventing frustrating interruptions, and maximizing the lifespan of your smart doorbell. Don’t settle for an underpowered setup that leaves your expensive doorbell limping along. We’ve done the legwork to help you pick the perfect power upgrade.
In this guide, we’ll walk you through some of the top options available, covering both hardwired solutions and convenient plug-in adapters. We’ll break down what makes each product stand out, highlighting their features, pros, and cons, and sharing what real users have to say. Let’s find the best transformer for Ring Doorbell Pro 2 to keep your home surveillance running smoothly!
Our Top Picks for Ring Doorbell Pro 2 Transformers
1. Hardwired Transformer for Ring Wired Video Doorbells
This official Ring hardwired transformer is designed to provide optimal power specifically for Ring’s wired video doorbells, including the hungry Video Doorbell Pro 2. It’s a fantastic choice if you’re looking for a direct replacement for an underperforming or outdated existing transformer in your chime box. With this upgrade, you’ll ensure your Ring Pro 2 gets the consistent juice it needs for peak performance, from crystal-clear video to reliable motion detection.
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Key Features:
- Replaces underpowered doorbell transformers.
- Optimized performance for Ring Video Doorbell Wired, Wired Doorbell Plus (Pro), and Wired Doorbell Pro 2.
- Easily replaces most North American doorbell transformers.
- Comes with necessary tools for installation.
- 120V AC 60 Hz power input with 16V 30VA power output.
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Pros:
- Official Ring product, ensuring maximum compatibility.
- Provides a robust 16V 30VA output, ideal for the Pro 2.
- Designed for easy replacement of existing transformers.
- Includes tools for a smoother DIY installation.
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Cons:
- Requires hardwired installation, which might not be for everyone.
- May not be suitable for homes without existing doorbell wiring.
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User Impressions: Users frequently praise this transformer for solving “low voltage” errors and improving overall doorbell stability. Many appreciate that it’s an official Ring product, which instills confidence in its compatibility and performance. Installation is generally straightforward for those comfortable with basic electrical work.
- See it on Amazon here
2. Doorbell Transformer, 18V / 800mA Power Adapter for Ring… (Voyaux)
Say goodbye to constantly recharging your Ring doorbell’s battery with this versatile 18V / 800mA power adapter. The Voyaux transformer is a convenient plug-in solution, perfect for those who don’t have existing doorbell wiring or simply want an easier installation process. It’s designed to provide a continuous power supply, ensuring your Ring Doorbell Pro 2 (and other compatible smart doorbells) stays online and fully charged 24/7 without interruption.
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Key Features:
- Universal design for various Ring doorbells, Nest Hello, and Zmodo.
- Plug-in installation, no existing wiring or doorbell required.
- Optimized 18V / 800mA output for consistent charging.
- Heavy-duty, certified materials for safety and durability.
- Rapid and convenient solution for “low battery” issues.
- 2-Year Warranty for peace of mind.
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Pros:
- Extremely easy plug-and-play installation.
- Eliminates the need for battery recharging.
- Long cable allows for flexible placement from an outlet to the doorbell.
- Wide compatibility with multiple smart doorbell brands.
- Strong warranty offering replacements.
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Cons:
- Requires running a visible cable from an indoor outlet to the doorbell.
- Not a hardwired solution if that’s what you prefer.
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User Impressions: Customers love the convenience and effectiveness of this plug-in adapter. It’s a go-to for solving battery drain issues, especially for those who initially bought battery-operated Ring models but want continuous power. The long cable is a standout feature, offering great flexibility for installation.
- See it on Amazon here
3. Auspow Doorbell Transformer 24V 40VA for Ring Video…
The Auspow 24V 40VA transformer is a robust, high-output option designed to power not just your Ring Doorbell Pro 2, but potentially multiple smart devices simultaneously. If you have a demanding smart home setup with smart thermostats (like Nest or Ecobee) in addition to your doorbell, this unit can handle the load. Its higher voltage and VA rating ensure ample, stable power, making it an excellent upgrade for aging or underpowered existing doorbell transformers.
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Key Features:
- Input: 120V 50/60HZ; Output: 24V 40VA.
- Universal compatibility with Ring Video Doorbells (including Pro 2), Nest, Ecobee, Honeywell, Sensi smart thermostats.
- Can power multiple thermostats/doorbells.
- Easy to replace and install with screws or threaded clips.
- Reliable performance and safe to use.
- Customer service with refund/replacement policy.
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Pros:
- Higher 24V 40VA output for demanding setups and multiple devices.
- Broad compatibility with various smart home brands.
- Perfect for upgrading an old transformer to prevent voltage drops.
- Straightforward installation for those replacing existing units.
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Cons:
- Might be overkill if you only have a single Ring Doorbell Pro 2.
- Hardwired installation required.
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User Impressions: Reviewers often highlight this transformer’s ability to consistently deliver power, effectively resolving “low voltage” issues on Ring and Nest doorbells. Its robust build and easy installation for direct replacements are frequently praised. Many appreciate its versatility in powering other smart devices.
- See it on Amazon here
4. Ring Plug-In Adapter (2nd generation) for Doorbells
For the ultimate in convenience and peace of mind, the official Ring Plug-In Adapter (2nd generation) is a game-changer. This adapter allows you to power your Ring Video Doorbell Pro 2 (and most other Ring doorbells) directly from any standard indoor outlet, completely bypassing the need for existing doorbell wiring or constant battery recharging. It’s perfect for renters, those with no wiring, or anyone who wants a super simple, non-invasive installation for continuous power.
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Key Features:
- Plugs into a standard indoor outlet for 24/7 power.
- Eliminates the need for hardwired installation or battery recharging.
- Includes a 10-foot cable with clips and built-in short circuit protection.
- Connects to standard indoor power outlets only.
- Wide compatibility with most Ring Battery and Wired Doorbells (excluding Peephole Cam/Elite).
- Power output: 24V DC, 0.5A, 12.0W.
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Pros:
- Easiest installation method – true plug-and-play.
- Official Ring product ensures perfect compatibility.
- Provides continuous power, charging the doorbell’s battery pack.
- 10-foot cable offers good flexibility for placement.
- Built-in safety features like short circuit protection.
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Cons:
- Requires an available indoor power outlet near your doorbell.
- The cable runs from indoors to the doorbell, which might be visible.
- Not suitable for outdoor outlets.
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User Impressions: This adapter is a hit for its incredible ease of use. Users love that it keeps their Ring doorbells fully charged without ever needing to remove them. It’s particularly popular with renters or those who don’t want to mess with electrical wiring. The long cable is also frequently mentioned as a huge plus.
- See it on Amazon here
5. 26FT Charging Cable 18V 500mA Doorbell Power Adapter for…
This generic 18V 500mA doorbell power adapter offers a practical and affordable solution for keeping your Ring Doorbell Pro 2 continuously powered. With an impressive 26-foot cable, it provides ample length to run from an indoor power outlet to your doorbell, making it a flexible choice for various home layouts. It’s a great option if you’re looking for an alternative to hardwiring and want to ditch the battery charging routine.
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Key Features:
- Convenient fix for “Low battery” issues, no battery removal needed.
- Designed for continuous 18V power operation.
- Easy and convenient plug-in installation.
- 26-foot cable length for flexible routing.
- Wide compatibility with Ring, Nest, Eufy, Arlo, Wyze and more.
- After-sales service for support.
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Pros:
- Very long cable (26 feet) offers great installation flexibility.
- Cost-effective solution for continuous power.
- Simple plug-and-play setup.
- Universal compatibility with many smart doorbell brands.
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Cons:
- Cable needs to be routed and might be visible.
- Not an official Ring product, though generally compatible.
- Output might be slightly lower than some premium options (18V 500mA vs. 18V 800mA or 24V).
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User Impressions: Users appreciate the extra-long cable, which provides more options for placement compared to shorter adapters. It’s often chosen for its simplicity in setting up a constant power source without complex wiring. Many find it effectively keeps their doorbell charged and operational.
- See it on Amazon here
6. 18V 500mA C Wire Power Adapter Compatible with Video…
Similar to the previous option, this 18V 500mA C Wire Power Adapter provides a reliable and easy-to-install solution for powering your smart doorbell without relying on battery changes. Its 8-meter (approximately 26-foot) cable offers excellent reach, allowing you to connect your Ring Doorbell Pro 2 to an indoor or outdoor electrical outlet with ease. Built with safety in mind, it’s designed to prevent common electrical issues and ensure a stable power flow.
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Key Features:
- Input AC 120V, 60Hz 0.2A; output 18V / 500mA.
- Cable length is 315 inches / 8 meters (approx. 26 feet).
- Compatible with Ring Video Doorbell, Ring Video Doorbell 2, Ring Video Threshold Pro, Nest Skybell, Eufy, Arlo, Wyze, etc.
- Easy two-pin non-polarity wire installation.
- Designed with safety features: prevents short circuit, overvoltage, overcurrent, overheat.
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Pros:
- Long 26-foot cable for flexible installation.
- Simple two-pin non-polarity wires for quick setup.
- Universal compatibility with many smart doorbells.
- Integrated safety features for device protection.
- Can be plugged into indoor or outdoor outlets (ensure outlet is weather-rated if outside).
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Cons:
- Requires managing and possibly hiding a long cable.
- Output is 18V 500mA, which is sufficient but not as high as 30VA hardwired options.
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User Impressions: Customers typically find this adapter to be a straightforward and effective solution for achieving continuous power. The long cable length is a recurring positive, and many appreciate the ease of connecting it without worrying about polarity. It’s seen as a solid, no-fuss option for reliable power.
- See it on Amazon here
Why a Good Transformer Matters for Your Ring Doorbell Pro 2
The Ring Video Doorbell Pro 2 is a high-tech device that consumes more power than basic doorbells. It features advanced sensors and processing capabilities that demand a consistent and sufficient power supply. If your existing doorbell transformer isn’t up to the task (often older transformers are 10VA or 20VA), you might experience:
- Frequent “low voltage” warnings: Even if wired, your doorbell might complain.
- Intermittent connectivity: Wi-Fi drops or delays in notifications.
- Reduced performance: Features like Live View or 3D Motion Detection might be sluggish or unreliable.
- Battery drain (for hybrid models): The transformer might not be effectively charging the internal battery.
- Damage to the doorbell: In rare cases, insufficient power can stress the device.
Upgrading to the correct doorbell transformer for Ring Doorbell Pro 2 ensures your device runs optimally, giving you the best possible smart home security experience.
Frequently Asked Questions (FAQ)
Q1: Why do I need a specific transformer for my Ring Doorbell Pro 2?
A: The Ring Doorbell Pro 2 is a power-hungry device due to its advanced features. It requires a stable power supply of 16-24V AC with a minimum of 30VA. Many older doorbell transformers are only 10VA or 20VA, which isn’t enough to power the Pro 2 reliably, leading to performance issues or “low voltage” warnings. A dedicated transformer ensures it gets the consistent power it needs.
Q2: What voltage and VA output does the Ring Doorbell Pro 2 typically require?
A: Ring recommends a transformer with an output of 16-24 Volts AC (VAC) and a minimum of 30 Volt-Amperes (VA). Some plug-in adapters might provide 18V DC or 24V DC at a certain amperage (e.g., 500mA or 800mA), which are also suitable as they are designed to continuously charge the doorbell’s internal battery or provide direct power.
Q3: Can I use a plug-in adapter instead of hardwiring a transformer?
A: Absolutely! Plug-in adapters are a fantastic alternative, especially if you don’t have existing doorbell wiring or prefer not to deal with electrical work. They offer a simple, non-invasive way to provide continuous power to your Ring Doorbell Pro 2, eliminating the need for battery recharging.
Q4: How do I know if my existing doorbell transformer is strong enough?
A: You’ll need to locate your existing transformer, which is often found near your home’s main electrical panel, in the attic, or inside your doorbell chime box. It will have its voltage (V) and VA (Volt-Amperes) ratings printed on it. If it’s less than 16V AC and 30VA, it’s likely underpowered for the Ring Doorbell Pro 2. Your doorbell itself might also show a “low voltage” warning in the Ring app.
Q5: Is it difficult to install a new doorbell transformer?
A: Hardwired transformer installation requires basic electrical knowledge and comfort with turning off circuit breakers. It typically involves disconnecting old wires and connecting new ones. If you’re not comfortable, it’s always best to consult a qualified electrician. Plug-in adapters, however, are extremely easy to install – simply plug them into an outlet and connect the wires to your doorbell.
Q6: What’s the difference between VA (Volt-Amperes) and Volts?
A: Volts (V) measure electrical potential or “pressure.” VA (Volt-Amperes) is a unit of apparent power in an electrical circuit, representing the total power that a transformer can deliver. For doorbell transformers, a higher VA rating indicates a more powerful transformer capable of supporting devices that draw more current, like the Ring Doorbell Pro 2.
Q7: Will a new transformer improve my Ring Doorbell Pro 2’s performance beyond just charging?
A: Yes! A stable and sufficient power supply from a suitable transformer is crucial for the Ring Doorbell Pro 2 to operate at its full potential. This includes consistent Wi-Fi connectivity, reliable motion detection, clear two-way audio, bright night vision, and smooth live video streaming. Underpowered doorbells often suffer from degraded performance in these areas, which a proper transformer can resolve.
Final Thoughts
Investing in the best transformer for Ring Doorbell Pro 2 is a small step that can make a huge difference in your smart doorbell experience. Whether you opt for a robust hardwired unit like the official Ring transformer or the convenient Ring Plug-In Adapter, ensuring your Doorbell Pro 2 has a consistent, ample power supply means more reliable security, fewer headaches, and optimal performance from all its advanced features. Pick the one that fits your home’s wiring situation and your comfort level with installation, and enjoy a fully powered Ring Doorbell Pro 2!