L1154F Battery Features and What Makes It Unique

Published: 22 August 2025 | Last Updated: 22 August 2025453
The L1154F battery is a 1.5V alkaline button cell known for leak resistance, compact size, and steady power in watches, calculators, and medical devices.

L1154F       

The l1154f battery is a non-rechargeable alkaline button cell that delivers 1.5 volts. It measures 11.6 mm in diameter and 5.4 mm in height.

SpecificationDetails
TypeAlkaline (non-rechargeable)
Voltage1.5 V
CapacityAbout 150 mAh
Size11.6 × 5.4 mm

Compared to similar batteries like LR44 and AG13, the l1154f battery is slightly thinner and lighter, which helps with compatibility in compact devices.

L1154F Battery Features

L1154F            

Specifications

The l1154f battery stands out as a compact and reliable power source for many small electronics. Its technical specifications show why it fits so many devices. The table below summarizes the key details:

SpecificationL1154F Battery Details
ChemistryAlkaline (Zinc-Manganese Dioxide)
Voltage1.5 V
CapacityApproximately 140–160 mAh
Diameter11.6 mm
Height5.4 mm
Design FeatureFlat design indicated by 'F' suffix

The l1154f battery uses alkaline chemistry, which means it relies on a zinc-manganese dioxide reaction. This chemistry provides a steady voltage of 1.5 volts. The battery’s capacity ranges from 140 to 160 milliamp hours, depending on the brand and usage. Its flat design, shown by the “F” in its name, helps it fit into slim devices.

Performance remains consistent under different loads. For example, at a 0.1mA continuous load, the battery can last up to 1600 hours. Even at higher loads, such as 2.0mA, it still delivers about 60 hours of runtime. The table below shows how the l1154f battery performs under various conditions:

Discharge Load / Pulse TypeAverage Capacity (mAh)Runtime / Pulse DetailsPerformance Consistency (Variance)
0.1mA continuous load1601600 hours±2-3% (premium), up to ±5% (standard)
0.5mA continuous load145290 hoursN/A
1.0mA continuous load135135 hoursN/A
2.0mA continuous load12060 hoursN/A
5mA pulse (1s every 10s)150Effective capacityN/A
10mA pulse (0.5s every 30s)140Effective capacityN/A
25mA pulse (0.1s every 60s)130Effective capacityN/A

Manufacturers like Energizer, Duracell, and Panasonic produce premium versions of the l1154f battery. These brands offer higher average capacities and lower variance, which means more reliable performance. The chart below compares the average capacity and variance among top brands:

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Tip: The l1154f battery works best between 15°C and 35°C, but it can operate from -10°C to +60°C.

Unique Qualities

Several features make the l1154f battery unique among button cells:

  • Advanced Sealing Technology: Manufacturers use tight seals to prevent leaks. This design keeps devices safe from battery acid and extends the battery’s shelf life.

  • Leak Resistance: The l1154f battery resists leaks even after long periods of storage. Devices stay clean and protected.

  • Maintenance-Free Operation: Users do not need to check or service the battery during its lifespan. The battery delivers steady power until it is fully discharged.

  • Flat and Compact Design: The flat shape allows the l1154f battery to fit into slim and compact devices, such as watches and medical instruments.

  • Consistent Performance: Premium brands show less than 3% variance in capacity. This means users can trust the battery to deliver reliable power every time.

These qualities make the l1154f battery a top choice for anyone needing a dependable, long-lasting button cell.

Uses and Comparisons

Uses       

Applications

Many small electronic devices rely on the l1154f battery for dependable power. Common uses include:

  • Watches and calculators, which can run for one to two years without needing a battery change.

  • Fitness bands, where the battery supports about 500 days of operation.

  • Car key remotes, which need quick and reliable power.

  • Motherboard BIOS in computers, helping keep system settings safe.

  • Medical pulse oximeters, which can work for up to 12 months while keeping data accuracy high.

  • Wireless sensors in smart home and IoT devices, where long-term monitoring is important.

Equivalent Batteries

Several batteries match the l1154f battery in size and voltage. The table below shows the most common equivalents and their main features:

Battery EquivalentChemistryVoltage (Nominal)Size (Diameter x Thickness)Capacity (mAh)Key Similarities and Differences
L1154FAlkaline1.5 V11.6 mm x 5.4 mm110-130Same as LR44; 'F' is a marking only
LR44Alkaline1.5 V11.6 mm x 5.4 mm110-130Interchangeable with L1154F
AG13 / A76Alkaline1.5 V11.6 mm x 5.4 mm110-130Generic equivalents
357Silver Oxide~1.55 VSimilar to LR44150-200Longer life, more stable voltage
SR44 / SR44SWSilver Oxide~1.55 VSimilar to LR44150-200Stable voltage, best for watches

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Alkaline batteries like LR44, AG13, and A76 have the same size and voltage as the l1154f battery, making them interchangeable. Silver oxide batteries such as 357 and SR44 last longer and provide a steadier voltage, which is better for precision devices.

Safe Use Tips

Proper handling and storage help extend battery life and keep devices safe. Follow these tips:

  1. Store batteries in their original packaging or a plastic container to protect them from moisture.

  2. Keep batteries in a cool, dry, and dark place, away from sunlight and heat.

  3. Remove batteries from devices if not using them for a long time.

  4. Separate new and used batteries to avoid mixing.

  5. Never try to recharge non-rechargeable batteries, as this can cause leaks or overheating.

  6. Prevent contact with metal objects by taping the terminals or using plastic bags.

  7. Keep batteries out of reach of children and secure battery compartments.

Note: Safe storage and handling prevent leaks and accidental damage.


  • The l1154f battery offers steady power, leak resistance, and a compact size.

  • Many small devices, like watches and medical tools, use this battery.

Safe handling and correct replacement help users get the best performance from the l1154f battery.

FAQ

How long does an L1154F battery last in a watch?

A watch can run for one to two years with an L1154F battery. The exact time depends on the watch’s power use.

Tip: Replace the battery when the watch slows down or stops.

Can you recharge an L1154F battery?

No, the L1154F battery is not rechargeable. Trying to recharge it can cause leaks or damage.

What should you do if an L1154F battery leaks?

Remove the battery right away. Clean the device with a dry cloth. Dispose of the battery safely.

  • Always wash hands after handling a leaking battery.

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