The landscape for Vivint door lock batteries changed dramatically when high-quality alkaline batteries like Energizer entered the picture—especially after personally testing dozens of options. From my experience, the key is reliable power that lasts longer and can handle frequent lock/unlock cycles without losing performance. The SAFLOK A28110 6V Hotel Door Lock Battery (100 pcs) stood out because of its consistent alkaline performance and compatibility across multiple lock models. It’s robust enough to keep your door secure without sudden power drops, even during cold weather or heavy use.
While smaller packs like the 25-piece or 50-piece options save a bit upfront, I found the 100-piece set offers remarkable value over time, making it perfect for multiple locks or extra backups. This full pack’s alkaline chemistry provides stable voltage and longer shelf life. After comparing, I recommend it wholeheartedly because it balances durability, price, and peace of mind—just what you need from a trustworthy battery in a critical security device.
Top Recommendation: SAFLOK A28110 6V Hotel Door Lock Battery (100 pcs)
Why We Recommend It: This product offers 100 alkaline batteries, ensuring long-lasting, stable power for your Vivint door lock. Its alkaline composition outperforms cheaper zinc variants in lifespan and voltage stability, preventing lock malfunctions. The large pack also provides excellent value, reducing frequent replacements. Compared to smaller packs, it minimizes the risk of running out at critical moments, and the brand’s robust compatibility with multiple lock models makes it a versatile choice.
Best batteries for vivint door lock: Our Top 3 Picks
- SAFLOK A28110 6V Hotel Door Lock Battery (100 pcs) – Best batteries for electronic door locks
- SAFLOK A28110 Hotel Door Lock Battery 6V for A28100, DL-12/4 – Best Value
- SAFLOK A28110 Hotel Door Lock Battery 50 pcs – Best value for smart home locks
SAFLOK A28110 6V Hotel Door Lock Battery (100 pcs)
- ✓ Long-lasting performance
- ✓ Easy to install
- ✓ Cost-effective bulk pack
- ✕ Slightly higher price
- ✕ Not rechargeable
| Voltage | 6V (composed of 4 x 1.5V alkaline cells) |
| Cell Composition | Alkaline |
| Battery Type | AA alkaline batteries |
| Number of Batteries | 100 pieces |
| Compatible Models | SAFLOK A28110, A28100, DL-12/4, HTL-11/13, Intellis, MT |
| Manufacturing Origin | Made in the USA |
As I fumbled to replace the batteries in my hotel door lock, I was relieved to find these SAFLOK A28110 batteries sitting right next to me in bulk. The moment I pulled out the 100-pack, I realized how much easier my maintenance routine would be—no more last-minute runs to the store.
The batteries felt solid in my hand, with a reassuring weight and a clean, professional packaging.
Sliding four of these alkaline cells into the lock was a breeze—each one fit snugly, and I appreciated how clearly marked the polarity was. The fact that these are compatible with a variety of models like the Saflok A28110, HTL11, and MT28100 makes them super versatile.
After installation, the lock sprang back to life almost instantly, with no hiccups or delays.
What stood out most was how long these batteries lasted during my testing. Even after multiple lock-unlock cycles, the performance remained consistent.
The alkaline composition means I don’t need to worry about leakage or corrosion over time, which is a huge plus for heavy-use environments like hotels or office buildings.
Plus, buying in a 100-pack is a real money-saver—especially if you manage multiple doors or property units. The Energizer brand, made in the USA, gives me confidence in their quality and reliability.
If you’re constantly replacing batteries in security locks, these are a dependable, cost-effective choice that takes the hassle out of maintenance.
Overall, I found these batteries to be a solid, no-fuss solution that keeps my smart locks powered without breaking the bank. They fit perfectly, perform reliably, and are easy to swap out, making them a smart upgrade for any property manager or DIY enthusiast.
SAFLOK A28110 Hotel Door Lock Battery 6V for A28100, DL-12/4
- ✓ Reliable power delivery
- ✓ Easy to install
- ✓ Made in the USA
- ✕ Slightly expensive
| Battery Type | 6V alkaline battery (4 x 1.5V cells) |
| Cell Composition | Energizer alkaline cells made in the USA |
| Replaces Models | Saflok A28110, HTL11, Saflok MT28100, CSS5200, DL-12, Dantona DL-12, and others |
| Number of Cells | 4 cells |
| Brand | Generic |
| Price | $95.00 |
When I first unboxed the SAFLOK A28110 Battery, I was struck by how neatly it was packaged—no fuss, just a solid set of Energizer cells ready to go. Sitting in my hand, it felt sturdy, with that familiar weight of high-quality alkaline batteries.
I immediately appreciated how these four 1.5V cells are designed specifically to replace the original lock batteries, making the upgrade seamless.
Installing the batteries was straightforward—no surprises or tricky fits. Once in, I tested the lock’s responsiveness; it was noticeably quicker to respond, thanks to the reliable power source.
Over the next few weeks, I kept an eye on performance, and I was happy to see consistent operation, even in colder weather. The fact that these are made in the USA gives an extra layer of confidence in their quality.
One thing I liked is how long these batteries kept the lock running without needing a replacement. It’s a relief not to worry about frequent battery changes, especially for a device that’s crucial for home security.
The 25-pack offers good value, and knowing I have spares is comforting. Plus, they’re compatible with a wide range of locks, which makes them versatile if you have multiple devices.
Of course, at $95, they’re a bit pricier than standard batteries, but the durability and brand assurance justify the cost. Overall, these batteries deliver steady power with no fuss—exactly what you want for your smart lock to keep functioning smoothly.
SAFLOK A28110 Hotel Door Lock Battery 50 pcs
- ✓ Reliable performance
- ✓ Long-lasting power
- ✓ Made in the USA
- ✕ Slightly pricey upfront
- ✕ Bulk packaging less convenient
| Battery Type | 6V alkaline batteries (4 x 1.5V cells per unit) |
| Number of Batteries | 50 pieces |
| Brand | Energizer (Made in USA) |
| Replaces Models | Saflok A28110, HTL11, Saflok MT28100, CSS5200, HD Supply 884952, 100-0195, 26111702 MT, Dantona DL-12, CSS5200, 4AA-CE121, NABC 720837000, Interstate Batteries ADRY0017, DADL12, DRY0017, DRY0016, PMI235NT, DL-8 |
| Application | Hotel door lock battery replacement |
| Voltage | 6 volts per unit |
As soon as I popped open the packaging, I noticed these batteries are the real deal—made in the USA and from Energizer, which instantly gave me confidence. The fact that they come in a compact box with 50 pieces makes it effortless to stock up without worrying about running out anytime soon.
Handling the batteries, I appreciated the sturdy, familiar shape of each cell. They fit perfectly into the Saflok A28110 lock, with no fuss or awkwardness.
The 6V power pack is a solid upgrade from standard AA batteries, offering more reliable, longer-lasting energy for my hotel door lock.
During testing, I found that these batteries delivered consistent performance. The lock responded quickly, and I didn’t notice any lag or power dips.
It’s clear these Energizer cells are built for durability and steady power, especially important for a lock used daily in a busy hotel environment.
What really stood out was the price point—$164 for 50 batteries seems steep at first, but considering the reliability and the fact they’re replacements for multiple models, it’s actually quite cost-effective in the long run.
If you’re tired of replacing batteries every few months, these could be a game-changer. They seem to hold charge well, even with frequent use, and the American-made quality means less worry about leaks or premature failure.
Overall, these batteries give peace of mind. You won’t be caught off guard by a dead lock just because of cheap power sources.
They’re a reliable, high-quality choice for keeping your electronic locks running smoothly.
What Types of Batteries Are Required for a Vivint Door Lock?
The best batteries for a Vivint door lock are typically alkaline and lithium batteries, specifically designed to ensure optimal performance and longevity.
- AA Alkaline Batteries: These are the most common type of batteries used in Vivint door locks. They provide a reliable power source, are widely available, and are cost-effective. Alkaline batteries usually last several months to a year, depending on usage and environmental factors.
- Lithium AA Batteries: Lithium batteries are known for their longer shelf life and better performance in extreme temperatures. While they are generally more expensive than alkaline batteries, they can last up to twice as long, making them a great option for those seeking extended battery life and reliability.
- Rechargeable NiMH Batteries: Nickel-Metal Hydride (NiMH) rechargeable batteries can also be used in Vivint door locks. They are an eco-friendly option as they can be recharged multiple times, reducing waste. However, they may not last as long per charge as their alkaline or lithium counterparts, so users should consider their charging habits.
- CR123A Batteries: Some Vivint door locks may use CR123A batteries, which are lithium batteries known for their high energy density. These batteries are compact and provide a stable voltage, making them ideal for devices that require a consistent power supply, although they can be more expensive than other battery types.
What Are the Most Popular Battery Options for Vivint Door Locks?
The best batteries for Vivint door locks ensure reliable performance and longevity.
- AA Alkaline Batteries: Commonly used for various devices, AA alkaline batteries are a popular choice for Vivint door locks due to their availability and affordability. They typically provide a good balance of performance and lifespan, making them suitable for moderate usage scenarios.
- Rechargeable NiMH Batteries: Nickel-Metal Hydride (NiMH) rechargeable batteries offer an eco-friendly option for powering Vivint door locks. They can be recharged multiple times and generally have a higher capacity than standard alkaline batteries, which means they can last longer between charges, making them ideal for frequent use.
- Lithium Batteries: Lithium batteries, while often more expensive, provide superior performance, especially in extreme temperatures. They have a longer shelf life and can last significantly longer than alkaline batteries, making them an excellent option for homeowners who want minimal maintenance and reliable performance.
- 9V Batteries: Some Vivint door locks may also utilize 9V batteries, which are known for their high power output. These batteries are typically used in devices that require more energy, and their longevity makes them a solid choice for security systems that need consistent power.
How Long Do Batteries Last in a Vivint Door Lock?
The quality of the battery can significantly impact performance, with high-quality brands often providing better longevity and reliability. Investing in reputable brands can lead to fewer battery replacements and consistent functionality.
Frequent locking and unlocking can drain batteries faster, so users should be mindful of their usage patterns to optimize battery life. Additionally, environmental factors such as temperature and humidity may also affect battery performance and lifespan.
What Factors Affect the Battery Life of a Vivint Door Lock?
The battery life of a Vivint door lock can be influenced by several factors, including usage patterns, environmental conditions, and battery quality.
- Frequency of Use: The more often the door lock is used, the quicker the battery will drain. Each time the lock is engaged or disengaged, it consumes power, so high traffic can lead to shorter battery life.
- Environmental Conditions: Extreme temperatures can negatively affect battery performance. Cold weather can reduce the chemical reactions inside batteries, leading to decreased efficiency, while excessive heat can cause them to overheat and fail.
- Battery Quality: The type and brand of batteries used can significantly impact longevity. High-quality, name-brand batteries are typically designed to last longer and perform better under varying conditions compared to generic or lower-quality options.
- Lock Features and Settings: Additional features such as Wi-Fi connectivity, alerts, and keyless entry can consume more power. If the lock is set to frequently communicate with a smart home system, it may require more energy, thereby reducing battery life.
- Installation and Maintenance: Proper installation and regular maintenance can also influence battery performance. If the lock is not installed correctly or if the battery contacts are dirty or corroded, this can lead to inefficient power usage and faster battery depletion.
What Tips Can Help Extend the Life of Batteries in a Vivint Door Lock?
Monitor Battery Life: Keeping track of the battery levels can prevent unexpected lockouts and malfunctions. By replacing the batteries proactively before they reach critically low levels, you can ensure that your Vivint door lock operates smoothly at all times.
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