High-end electronic devices require a high-energy-density CR2032 lithium battery, which is preferred because it operates effectively across various temperature ranges. LR44 is a low-cost option and is best to use where low power is needed. These two are button cell batteries that come with different features and applications. In this post, we will cover detailed features of CR2032 and LR44 batteries to find their differences. So let’s get started.
LR44 VS CR2032 Battery: Comparsion chart
| Features | CR2032 | LR44 |
| Battery Type | Lithium Coin Cell | Alkaline Button Cell |
| Chemical System | Lithium/Manganese Dioxide (Li/MnO₂) | Zinc/Manganese Dioxide (Alkaline) |
| Nominal Voltage | 3.0 V | 1.5 V |
| Capacity | 235 mAh | 120 mAh |
| Cutoff Voltage | 2.0 V | 0.9–1.0 V |
| Weight | 3.0 g | 2.0 g |
| Volume | 1.0 cm³ | ~0.55 cm³ |
| Diameter | 20.0 mm | 11.6 mm |
| Height (Thickness) | 3.2 mm | 5.4 mm |
| Energy Density | 198 mWh/g | Lower than CR2032 |
| Lithium Content | 0.109 g | None |
| Operating Temperature | -30°C to 60°C | Typically -10°C to 60°C |
| Self-Discharge | ~1% per year | ~2–5% per year |
| Terminals | Flat coin-cell contacts | Flat button-cell contacts |
| Capacity | 235 mAh | 120 mAh |
| Applications | CMOS batteries, key fobs, calculators, medical devices, fitness trackers | Watches, laser pointers, toys, calculators, small electronics |
| Rechargeable | No | No |
| Interchangeable | No (different size and voltage) | No (different size and voltage) |
Introduction to CR2032 Battery
- The CR2032 battery comes with lithium chemistry that is called a button cell part of different electronic devices where a stable power supply is needed.
- Its voltage is three volts, and CR in the battery name shows it has a cylindrical lithium structure, and 2032 shows a 20 mm diameter and 3.2 mm thickness.
- This battery is part of devices where a stable supply is needed since it has a compact design and longer working life.
- This battery is employed in calculators, remotes, and keyless entry systems. These batteries also offer power to medical devices.
What is LR44 Battery
- LR44 battery, a coin-shaped and compact design that is part of electronic devices. Its dimensions are 11.6 mm with a thickness of 5.4 mm, so it easily connects to watches, calculators, etc.
- Its operating volts are 1.5 V, offering stable power for low-drain projects. Its weight is about 2 grams, so it’s easy to use for different small devices.
- This battery has an energy capacity of up to 240 mAh, according to the manufacturer. LR44 alkaline nature battery that is part of devices where low volts are needed.
- LR in battery name is a cylindrical alkaline battery; the number 44 shows size. Its voltage range is not enough like the CR2032, but the LR44 low-cost battery is preferred where low power is needed.
CR2032 Technical Specifications
| Specification | Value |
| Classification | Lithium Coin |
| Chemical composition | Lithium / Manganese Dioxide (Li/MnO₂) |
| Designation | ANSI/NEDA-5004LC, IEC-CR2032 |
| Nominal Voltage | 3.0 Volts |
| Typical Capacity | 235 mAh (to 2.0 V), rated at 15 kΩ load at 21°C |
| Typical Weight | 3.0 g (0.10 oz.) |
| Typical Volume | 1.0 cm³ (0.06 in³) |
| Maximum Reverse Charge | 1 µA |
| Energy Density | 198 mWh/g, 653 mWh/cm³ |
| Typical Lithium Content | 0.109 g (0.0038 oz.) |
| Operating Temperature | -30°C to 60°C |
| Self-Discharge Rate | 1% per year |
LR44 Technical Specifications
| Specification | Value |
| Nominal Voltage | 1.5 Volts |
| Cutoff Voltage | 0.9–1.0 Volts |
| Minimum Open Circuit Voltage (OCV) | 1.50 Volts |
| Minimum Voltage at -10°C with 200 Ω Load for 5 Seconds (CCV) | 1.10 Volts |
| Minimum Capacity | 08 mAh (at 4.7 kΩ to 0.9 V) |
| Terminals | Flat contacts |
| Average Weight | 2.0 grams |
| Average Service Capacity | 120 mAh |
LR44 Battery Advantages
availability
- LR44 battery is commonly available at different electronic stores and online. These batteries are low cost since they come in bulk quantities. so easy to buy for devices
Size
- This battery’s compact button size. Its small round shape helps for easy fitting into different devices, such as medical watches.
Power
- LR44 batteries offer 1.5 volts since they have a working life. They offer a reliable supply without any stoppage or effects on devices.
Storage
- Their alkaline chemistry helps to increase their storage time to about five years without high power losses. So it’s best to store it at homes and in emergency systems.
Temperature ranges
- LR44 batteries work well for different temperature ranges, ranging from about -10°C to 60°C. It is best for working in cold and high temperatures for different devices.
Alternatives
- An LR44 battery also comes with different replacements, such as an AG13 battery, a 357 battery, an SR44, and an A76 battery. These replacement batteries have the same size and voltages. It makes them work accurately without affecting devices working.
Non-Rechargeable
- Its non-recharging features reduce the hazard of overcharging or connection of a faulty charger. that make it safe features and reduce error
zero memory error
- An LR44 battery does not come with a memory effect. These batteries maintain complete capacity during their working life without affecting performance during fully drained or partial conditions.
Low Leakage
- These batteries have stable alkaline chemistry, so they cause less leakage. that minimizes chances of damage and works longer
LR44 Battery Equivalent
LR44 battery equivalents are
LR44 Battery Equivalent | Type | Chemistry | Voltage | Capacity |
| AG13 Battery | Button Cell | Alkaline | 1.5 V | 110–130 mAh |
A76 Battery (Duracell / Energizer) | Button Cell | Alkaline | 1.5 V | 110–130 mAh |
| L1154 Battery | Button Cell | Alkaline | 1.5 V | 110–130 mAh |
| LR1154 Battery | Button Cell | Alkaline | 1.5 V | 110–130 mAh |
| 157 battery | Button Cell | Alkaline | 1.5 V | ~120 mAh |
SR44 battery/ SR44W battery/ SR44SW battery | Button Cell | Silver Oxide | 1.55 V | 150–200 mAh |
| 357 battery | Button Cell | Silver Oxide / Alkaline | 1.55 V / 1.5 V | 150–200 mAh |
| 303 battery | Button Cell | Silver Oxide | 1.55 V | ~160 mAh |
675 / ZA675 / PR44 | Button Cell | Zinc-Air | 1.4–1.45 V | 600–700 mAh |
| MR44 / MR1154 | Button Cell | Mercury Oxide (Obsolete) | 1.35 V | 180–200 mAh |
Benefits of CR2032 Batteries
Compact Design
- The CR2032 battery’s compact design and low weight make it the best option for different devices. Its dimensions, 3.2 mm thickness and 20 mm diameter, fit well in electronic devices.
- Its small size makes it effective for devices where a compact-sized battery is needed. Battery weight is normally less, some grams. The CR2032 reduces weight because of its compact design and is preferred for wearable devices.
Power of CR2032
- CR2032 batteries work longer due to high energy density and offer stable voltage. This battery has a certain amount of energy and provides longer power for devices by using a low-power feature. A constant voltage of 3V output offers accurate working for different devices like glucose monitors’
- A longer working life of the CR2032 battery makes them important for different devices. Its lithium chemistry stores power for about ten years if stored accurately. So it’s best to use it as a replacement of CMOS batteries in computers.
Different Temperature Range
- The CR2032 battery works well for different temperature ranges and works well for different conditions. Normally, CR2032 batteries work well in the temperature range of -20°C to 70°C, but special types of this battery, like CR2032HT, operate well in the temperature range of -40°C to 80°C.
- this feature helps these batteries for work well for hotand freezing continos. such as it works well for remotecotnrolthat lock cars in winter or summer. lihium composition make to work well for different temperature conditions.
Compatibility
- CR2032 battery compatible with different devices. Its standard size and reliable function are best for manufacturers. These batteries give power to certain devices, such as constant-wear projects.
- The main cause for different device compatibility is interchangeable features. The CR2032 battery comes with different replacement models, such as KL2032, BR2032, KL2032, and KCR2032. These features make them replacements for different devices.
- This battery’s versatile nature since it offers a 3V output for continuous function in devices where regulated energy is needed, such as medical components and watches
- So it is important for time-sensitive devices also where small varied power affects working. CR2032 batteries work well for compact devices and small size and weight. It’s best to use them in remote controls.
- These batteries also supported industrial devices. like special tools, where continuous supply is needed
CR2032 batteries Applications
- The CR2032 battery is part of the clock since the offerable output works longer. When replacing batteries in a clock, properly disconnect the older battery and connect the new one with the same polarity.
- CR2032 is also part of the timer and countdown timer, which offer stable power. When needed to replace this battery, the timer prevents damage through mistaken triggering during the connection of the new batteries.
- This battery also maintains the clock system motherboard, providing accuracy when the computer is off.
- It’s also part of the DVD player, TV, and AC remote since it has a compact size and provides the required power.
- different medical devices, such as digital thermometers, blood glucose and blood pressure monitors, since they provide accurate working
- The car keyless entry system also uses a CR2032 battery; during replacement, check the battery model according to battery requirements.
- This battery is part of different electronic devices, such as thermometers and toys, due to its its small size.
LR44 battery applications
- An LR44 battery is normally used for operating a digital multimeter display. With those LED flashlights, keychains also use LR44 batteries. since it is low cost and easy to replace
- LR44 also has a small size with a longer working life, so it’s part of laser printers. Small toys and calculators also use this battery.
- This battery is used for watches for providing continuous working.
Selection tips of Battery: Cr2032 vs LR44
Device requirements
- Selection started with device requirements, meaning either a battery compatible with an LR44 battery or a CR2032 battery. Battery labels come with details about the battery that show device requirements. The CR2032 battery is used for larger devices such as cars and key fobs, while the LR44 battery is used in small devices like laser pointers and toys.
Environmental factors
- Working feature of the battery based on environmental factors. The CR2032 battery comes with good working features in different temperature ranges, so it works well in external conditions.
- An LR44 battery has less resistance for variable temperature ranges, so it is part of devices where constant environmental conditions occur
Cost
- LR44 batteries cost less than CR2032 batteries, but CR2032 batteries work well for a longer time. CR2032 batteries are low cost for high-demand projects; otherwise, they are high cost.
Availability
- The CR2032 battery is easily available at different stores since it’s easy to get. LR44 batteries are somewhat difficult to find commonly available. Before replacing batteries, check battery replacement features. Device features offer easy battery replacement features compared to other
Conclusion
LR44 batteries and CR2032 batteries are compact button-cell design batteries used for different devices. CR2032 offers longer power storage with the feature of a longer working life, so it is employed where low energy is needed for devices such as calculators and watches. LR44 is part of devices where high power is needed since it has a high voltage output. but battery selection based on applications and devices’ features. Some factors are considered before selecting batteries, such as device compatibility, capacity, and working features before selecting an LR44 battery and a CR2032.
Frequently Asked Questions
What are the basic differences between a CR2032 battery and an LR44?
- The CR2032 battery is a lithium power supply offering 3 volts, which is different from the LR44. It’s used where low-energy applications occur, like motherboard BIOS design, CR2032 high efficiency.
What are the main uses for LR44 button cells?
- An LR44 battery is a 1.55V alkaline battery with a compact design used for toys. Alkaline nature fulfills power demand with low-cost options since it offers non-extended power applications.
Is it possible to replace LR44 and 357 batteries?
- An LR44 battery has the same dimensions as a silver oxide 357 battery but a different composition. 357 batteries offer stable volts for parts of the camera and watches. Devices required constant voltage, so 357 were replaced with LR44 in some devices. 357 is best for constant voltage applications.
Are LR44 and AG13 batteries equivalent batteries?
- Yes, LR44 and AG13 batteries are interchangeable. LR44 and AG13 come with the same dimensions (11.6×5.4 mm), voltage, and chemistry. We can use them as a replacement for different devices like calculators, toys
