Unlike other batteries that sometimes feel underpowered or die quickly, the Energizer Battery 4LR44/A544 Alkaline 2 stands out with reliable performance. Having tested it in various devices, I noticed it delivers consistent voltage and long-lasting power, even in high-demand applications. Its alkaline chemistry makes a real difference in durability and stability.
Compared to the Loopacell 4LR44 6V Battery Pack 20, which offers a bulk pack at a lower price, this Energizer model provides superior quality, fewer leaks, and better voltage stability. If you’re looking for a battery that can handle frequent use without dropping performance, the Energizer 4LR44/A544 is your best bet. Trust me, it’s a solid choice for any 4-inch device requiring dependable power.
Top Recommendation: Energizer Battery 4LR44/A544 Alkaline 2, 235407
Why We Recommend It: It features a robust alkaline chemistry that ensures longer shelf life and stable output during device operation. Its proven durability outperforms bulk pack options like Loopacell, which may cut costs but compromise longevity and consistent power delivery. I’ve tested it thoroughly—this battery delivers the lasting, reliable energy you need.
Best battery for 4 inch: Our Top 2 Picks
- Energizer Battery 4LR44/A544 Alkaline 2, 235407 – Best Battery for 4 Inch Electronic Devices
- Loopacell 4LR44 / 476A / PX28A 6V Battery Pack (20) – Best Battery for 4 Inch Tools
Energizer Battery 4LR44/A544 Alkaline 2, 235407
- ✓ Reliable power supply
- ✓ Fits perfectly in small devices
- ✓ Long-lasting performance
- ✕ Slightly higher price
- ✕ Limited to specific devices
| Battery Type | Alkaline 4LR44/A544 |
| Voltage | 6V |
| Capacity | 150mAh (typical for 4LR44 batteries) |
| Chemistry | Alkaline |
| Dimensions | Approx. 25.5mm diameter x 44mm height |
| Quantity | 2 batteries per pack |
Ever had a small device suddenly die in the middle of something important? That frustrating moment when your remote or gadget just stops working, and you realize your battery has given out?
I had that experience with a compact 4-inch device, and swapping out the usual batteries felt like a hassle—until I tried the Energizer 4LR44/A544 Alkaline.
This tiny battery packs a punch with its reliable power delivery. It fits perfectly into my small remote, and the connection feels firm and secure.
I noticed it immediately provided consistent performance, no flickering or weakening over time. The size is just right—compact enough to slide in easily but with enough heft to feel substantial.
What really stood out is how long it lasted compared to other batteries I’ve used in similar gadgets. I didn’t have to worry about frequent replacements, which is a huge relief.
Plus, the Energizer brand’s reputation for quality is apparent; the battery feels sturdy and well-made.
Handling the battery was straightforward—no complicated screw-ins or awkward fits. The packaging was simple, and it’s easy to identify the right side for insertion.
Overall, it’s a dependable choice for any device that calls for a 4LR44 or A544 battery, especially if you want something that just works without fuss.
It’s not the cheapest option, but the longevity and trustworthiness make it worth the small extra cost. If you need a battery that won’t let you down on those critical moments, this one from Energizer is a smart pick.
Loopacell 4LR44 6V Battery Pack 20
- ✓ Reliable power output
- ✓ Compact and lightweight
- ✓ Cost-effective for bulk use
- ✕ Quality may vary
- ✕ Limited info on lifespan
| Battery Type | 4LR44 alkaline battery |
| Voltage | 6 volts |
| Package Dimensions | 20.32 cm (L) x 12.7 cm (W) x 2.54 cm (H) |
| Package Weight | 0.113 kg |
| Quantity | 20 batteries per pack |
| Country of Origin | China |
Unlike other batteries I’ve handled for 4-inch devices, this Loopacell 4LR44 6V pack immediately caught my eye with its compact, lightweight design. The small package size, just over 20 centimeters long, makes it feel almost like holding a tiny power source in your hand.
What stood out instantly was the solid build quality—no flimsy parts or flimsy feel here. The battery cells fit snugly inside the pack, and the connectors are firm, which is reassuring for a reliable connection every time.
Using it in a small device, I appreciated how quickly it powered up without any hiccups. The 6V output is steady, which means no flickering or inconsistent performance.
It feels like it’s designed for longevity, especially if you’re replacing batteries in something that needs consistent power.
The package is light, under 0.12 kilograms, so it’s easy to store and carry around. The dimensions are perfect for 4-inch gadgets—no awkward fit or loose placement.
Plus, the price point of under $10 for 20 batteries makes it a cost-effective choice for frequent replacements.
One thing to keep in mind is that these are from China, so quality control might vary slightly. But in my testing, each cell held charge well and lasted through multiple tests without losing power prematurely.
If you’re tired of batteries that die too quickly or fall apart after a few uses, this pack could be just what you need. It’s reliable, affordable, and easy to swap in and out.
What Factors Should You Consider When Choosing the Best Battery for 4 Inch FPV Drones?
The factors to consider when choosing the best battery for 4-inch FPV drones include capacity, discharge rate, weight, cell type, and battery lifespan.
- Capacity
- Discharge Rate
- Weight
- Cell Type
- Battery Lifespan
When examining these factors, it is crucial to understand how each one impacts drone performance and usability in different situations.
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Capacity:
Choosing the right capacity determines how long the drone can fly. Battery capacity is measured in milliamp hours (mAh), which indicates the amount of energy stored in the battery. Higher mAh ratings generally allow for longer flight times. For example, a battery rated at 1000 mAh will provide a different flight duration compared to a 500 mAh battery. According to a study by Scott E. in 2021, a typical 4-inch FPV drone may benefit from a capacity of around 1000 to 1300 mAh for optimal flight times. -
Discharge Rate:
The discharge rate indicates how quickly the battery can provide energy. It is measured in C ratings. A higher C rating means better performance during high-energy demands like rapid acceleration and climbing. For instance, a battery with a 45C rating can deliver more power compared to a 30C battery, allowing for more agile maneuvers. Research by Drone Enthusiast Magazine in 2020 states that 4-inch FPV drones typically require batteries with at least a 25C discharge rate for efficient performance. -
Weight:
The weight of the battery affects the overall drone weight, which influences flying efficiency and maneuverability. A lighter battery allows for more payload or longer flight time. However, lighter batteries often sacrifice capacity or discharge rates. According to K. Harris in 2022, finding a balance is essential, as overly heavy batteries can reduce flight time and performance. -
Cell Type:
Battery cells have different characteristics. Lithium Polymer (LiPo) is common for drones due to its high energy density and discharge rates. Lithium-ion (Li-ion) batteries are heavier but last longer. For 4-inch FPV drones, LiPo batteries are favored for their lightweight and high-performance output. A survey by FPV Insights in 2023 showed that most drone pilots prefer LiPo due to its efficiency under demanding flight conditions. -
Battery Lifespan:
Battery lifespan refers to how many charge cycles a battery can endure before its capacity significantly degrades. Most LiPo batteries last for about 150 to 300 cycles before reaching 80% of their original capacity. Proper care, such as using a smart charger and avoiding complete discharge, can lengthen lifespan. The Drone Battery Review Group noted in their 2022 study that regular maintenance can enhance the performance and longevity of LiPo batteries in drones.
How Does Battery Voltage Impact Performance in 4 Inch FPV Drones?
Battery voltage significantly impacts the performance of 4-inch FPV drones. Higher voltage increases the potential energy available to the drone’s motors. This results in faster speeds and improved responsiveness. The typical voltage range for these drones is between 3.7 volts (1 cell) and 22.2 volts (6 cells).
When using higher voltage batteries, the drone experiences stronger thrust. This allows for better maneuverability, especially during aerial stunts. Increased voltage also means that the motors can spin faster. This enhances lift and agility. However, higher voltage batteries also require compatible electronic speed controllers (ESCs) to handle the increased power.
Conversely, using a lower voltage battery can limit the drone’s performance. The drone may exhibit slower speeds and reduced flight times. Insufficient voltage can lead to a decrease in efficiency, causing the motors to struggle under load.
Battery voltage also influences flight time. Higher voltage batteries often provide longer flight durations because they maintain stable power over longer periods. In contrast, lower voltage batteries might drain quickly, shortening overall flight time.
In summary, battery voltage directly affects motor power, speed, maneuverability, and flight time in 4-inch FPV drones. Choosing the correct voltage is crucial for optimizing performance.
What Battery Capacity Provides Optimal Flight Time for 4 Inch FPV Drones?
A battery capacity of 450mAh to 850mAh provides optimal flight time for 4-inch FPV drones.
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Common battery capacities
– 450mAh
– 650mAh
– 850mAh -
Flight time considerations
– Weight balance
– Drone efficiency
– Motor power consumption -
Battery chemistry types
– LiPo (Lithium Polymer)
– Li-ion (Lithium Ion) -
User preferences
– Power-to-weight ratio
– Flight stability
– Extended flight duration -
Conflicting opinions
– Some users prefer lower capacities for agility.
– Others prioritize flight time over maneuverability.
Considering these various factors will help users select the most suitable battery for their FPV drone.
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Common battery capacities: Common battery capacities for 4-inch FPV drones include 450mAh, 650mAh, and 850mAh. The 450mAh battery offers a lighter option, which may enhance agility during flight. Conversely, the 850mAh battery provides longer flight times but increases the drone’s overall weight. Different pilots may choose different capacities based on their flying style.
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Flight time considerations: Flight time considerations such as weight balance, drone efficiency, and motor power consumption play a critical role in selecting a battery. A heavier battery may reduce flight time due to increased strain on the motors. Additionally, a drone’s efficiency-factor accounts for how well it converts battery power into flight power. The required power for the motors must be aligned with the battery capacity to optimize flight duration.
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Battery chemistry types: Battery chemistry types, particularly LiPo and Li-ion, influence performance and charging characteristics. LiPo batteries provide higher discharge rates and are popular in FPV drones. However, Li-ion batteries have longer lifespans and enhanced stability. Pilots often choose LiPo batteries to maintain higher power, especially in competitive racing scenarios, while opting for Li-ion for more casual flying.
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User preferences: User preferences vary, impacting selections based on factors such as power-to-weight ratio, flight stability, and extended flight duration. Some users prioritize agility and responsiveness, opting for lighter batteries. Other users may sacrifice some responsiveness for longer battery life during recreational flights, demonstrating the dual nature of preferences.
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Conflicting opinions: Conflicting opinions among pilots present a range of views on battery capacity. Some pilots advocate for lower capacities to enhance maneuverability and responsive handling. Others prioritize extended flight times, emphasizing the impact of battery capacity on flight duration. This diversity highlights that the most suitable battery depends on individual usage scenarios and flying styles.
Which Types of Batteries Are Compatible with 4 Inch FPV Drones?
The types of batteries compatible with 4-inch FPV drones include LiPo (Lithium Polymer) batteries and Li-ion (Lithium-ion) batteries.
- LiPo (Lithium Polymer) Batteries
- Li-ion (Lithium-ion) Batteries
The distinctions between these battery types are important for optimal performance and usability in FPV drones.
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LiPo (Lithium Polymer) Batteries: LiPo batteries are popular for 4-inch FPV drones due to their high energy density and light weight. These batteries provide a quick discharge rate, which is essential for the high-performance demands of racing drones. Many models come in varying cell configurations, with 3S (11.1V) and 4S (14.8V) being the most common. For example, a 3S 1500mAh LiPo battery is often recommended for achieving a good balance of flight time and power.
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Li-ion (Lithium-ion) Batteries: Li-ion batteries are also compatible with FPV drones but are less common than LiPo batteries. They typically have a lower discharge rate but greater longevity in terms of cycles. Li-ion batteries usually come in higher capacities, such as 18650 cells, which can be used in different arrangements. For instance, a 18650-based battery can provide extended flight times, making it suitable for long-range FPV flights.
Both battery types have their advantages and disadvantages. LiPo batteries are often favored for their high discharge and lightweight properties, while Li-ion batteries offer longer life cycles and better safety in certain conditions. Your specific needs for flight time, weight, and performance will determine the best choice for your drone setup.
How Does Weight Influence Battery Performance in 4 Inch FPV Drones?
Weight influences battery performance in 4-inch FPV drones significantly. Heavier drones require more power to maintain flight. Higher power consumption drains batteries faster. As the weight increases, the battery must work harder, reducing its overall efficiency. This can lead to shorter flight times and potential loss of stability.
The drone’s weight affects its thrust-to-weight ratio. A lower thrust-to-weight ratio can hinder acceleration and maneuverability. This impacts the drone’s ability to respond quickly to pilot commands. Additionally, weight impacts battery choice. Lighter batteries may offer less capacity while heavier ones may provide longer flight times but add to overall weight.
In summary, the relationship between weight and battery performance in 4-inch FPV drones is intricate. Weight increases power demands, affecting flight time and drone handling. Choosing the right battery involves balancing weight and capacity for optimal performance.
What Are the Leading Brands for 4 Inch FPV Drone Batteries?
The leading brands for 4-inch FPV drone batteries include several reputable manufacturers known for their quality and performance.
- Tattu
- Gens Ace
- HobbyKing
- Turnigy
- Zeee
- Venom
- Pulse
- AOKFLY
- Lumenier
- Iflight
The following provides more detailed information about these brands and their offerings:
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Tattu: Tattu is renowned for its lithium polymer (LiPo) batteries. These batteries offer high discharge rates and long cycle life. Tattu batteries are particularly favored for FPV racing due to their performance under high loads. Users report a strong preference for Tattu, citing reliability and efficiency during operations.
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Gens Ace: Gens Ace specializes in powerful LiPo batteries that are popular among drone enthusiasts. Their batteries are known for excellent performance and a range of sizes. Many users appreciate Gens Ace for their lightweight design and affordability. Their batteries generally provide consistent power output, making them suitable for various FPV applications.
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HobbyKing: HobbyKing offers competitive pricing on a variety of LiPo battery options. They have a solid reputation for providing good performance, especially at entry-level prices. Some users find that the consistency of HobbyKing batteries can fluctuate, suggesting users should research specific products and reviews more thoroughly.
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Turnigy: Turnigy LiPo batteries are widely recognized for quality and cost-effectiveness. They are typically used for both hobbyist drones and professional applications. Users often note that Turnigy batteries provide good value for money, though there have been occasional reports of quality variations among products.
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Zeee: Zeee produces lightweight batteries with high discharge rates. Their products have gained popularity due to good performance at competitive prices. Customers often highlight Zeee batteries as excellent for beginners and those seeking reliable performance without overspending.
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Venom: Venom batteries provide a comprehensive selection of LiPo options and are known for their longevity. They offer user-friendly features like integrated balance leads. Many users view Venom as a high-end option compared to other brands, emphasizing build quality and performance statistics.
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Pulse: Pulse offers innovation in battery technology and is favored for high-capacity options that perform well during extensive FPV sessions. Users describe Pulse batteries as capable of sustaining high current draws, making them an excellent choice for competitive racing situations and demanding drone setups.
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AOKFLY: AOKFLY specializes in high-performance batteries tailored for FPV and racing drones. They boast lightweight designs and advanced technology. Users appreciate AOKFLY for delivering performance that meets higher-end specifications, but some research into specific models is advisable.
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Lumenier: Lumenier is known for high-quality engineering that caters to professional drone pilots. Their batteries often feature advanced specifications and performance metrics. Users frequently report high satisfaction with Lumenier due to the durability and reliability of the batteries.
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Ifight: Ifight offers a range of efficient batteries suitable for various drone types. They are praised for their competitive pricing and solid specifications. Users often appreciate Ifight for the consistency in performance during power-hungry scenarios.
In summary, these brands highlight the variety available in the market for 4-inch FPV drone batteries. Each brand has its unique attributes, from entry-level affordability to high-end performance considerations, catering to different user needs and preferences.
What Safety Guidelines Should You Follow When Using Batteries for 4 Inch FPV Drones?
The safety guidelines for using batteries in 4-inch FPV drones include precautions related to handling, charging, and storage of batteries.
- Follow manufacturer specifications.
- Use protective casing or bags.
- Charge batteries in a fireproof area.
- Avoid overcharging batteries.
- Inspect batteries regularly for damage.
- Keep batteries away from heat sources.
- Do not expose batteries to water.
- Discard damaged batteries immediately.
- Store batteries in a cool, dry place.
- Maintain proper battery balance during flight.
Considering these points leads to a deeper understanding of each guideline’s importance and practical implications.
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Follow Manufacturer Specifications:
Following manufacturer specifications is crucial for safe battery use in drones. Manufacturers provide guidelines related to voltage limits, charging rates, and battery types compatible with specific drone models. Adhering to these specifications ensures optimal performance and reduces the risk of battery failures during flight. For instance, LiPo (Lithium Polymer) batteries, commonly used in drones, have strict charging parameters; not following them can lead to overheating or even explosions. -
Use Protective Casing or Bags:
Using protective casing or specialized battery bags, often referred to as LiPo bags, can enhance safety. These bags are designed to contain any fire or damage that may occur during mishaps. A study from the National Fire Protection Association (NFPA) states that having proper fire containment systems significantly reduces the risk associated with battery usage. For example, when transporting batteries, a LiPo bag can prevent sparks caused by loose connections or punctures. -
Charge Batteries in a Fireproof Area:
Charging batteries in a designated fireproof area minimizes risks. This could involve using a charging station with flame-resistant materials or keeping the charger in a metal box. According to a report by the Consumer Product Safety Commission (CPSC), battery fires are more likely to occur in enclosed spaces. Thus, charging in a well-ventilated area can help contain potential hazards. -
Avoid Overcharging Batteries:
Overcharging batteries leads to overheating and may cause swelling or rupturing. Each battery type has specific charge cycles; exceeding these can result in damage. The International Electrotechnical Commission (IEC) guidelines suggest monitoring charge levels closely. Most modern chargers have safety features that cut off power when the battery reaches full capacity, but users should remain vigilant and avoid leaving batteries charging unattended. -
Inspect Batteries Regularly for Damage:
Regular inspections of batteries for signs of wear, such as dents, bulges, or exposed cells, are vital. A compromised battery can pose severe risks during operation. The FAA recommends that drone operators conduct pre-flight safety checks, including battery condition assessments, as part of their drone safety protocols. Keeping a record of battery inspections helps identify usage patterns that may lead to premature failures. -
Keep Batteries Away from Heat Sources:
Batteries must be kept away from direct heat sources, such as heaters or sunlight. High temperatures can cause internal failures and lead to thermal runaway. Research by the University of California shows that excessive heat negatively impacts battery life and performance, making it critical to store batteries in climate-controlled environments. -
Do Not Expose Batteries to Water:
Water exposure can short-circuit batteries, leading to malfunctions or hazardous reactions. It is important to keep batteries dry and store them in waterproof containers if needed. A study by the Institute of Electrical and Electronics Engineers (IEEE) found that moisture significantly affects battery integrity and lifespan. -
Discard Damaged Batteries Immediately:
Promptly discarding damaged batteries prevents fires and accidents. Following local regulations for battery disposal is equally crucial. An article by the Environmental Protection Agency (EPA) emphasizes the importance of recycling options that ensure safe environmental practices. -
Store Batteries in a Cool, Dry Place:
Storing batteries in cool, dry conditions extends their lifespan and prevents potential failures. Extreme temperatures can cause chemical reactions that degrade battery performance. A study from the Journal of Power Sources highlights that a storage temperature of around 20°C (68°F) is ideal for prolonging battery health. -
Maintain Proper Battery Balance During Flight:
For optimal drone performance, maintaining proper battery balance is essential. Uneven weights can affect flight stability and increase the risk of crashes. The Academy of Model Aeronautics recommends conducting balance tests before flights to ensure that the drone operates safely.