The L1131F battery is a compact yet high-performance silver oxide button cell designed for small electronics that demand steady voltage and extended runtime. With its stable 1.55V output and universal size, it’s widely used in watches, calculators, cameras, and medical devices. Choosing this variant ensures not only reliable operation but also long-lasting efficiency for precision gadgets.
L1131F Battery Overview
The L1131F battery is a silver oxide button cell that provides a stable 1.55V output. Measuring 11.6 mm in diameter and 3.1 mm in height, it is built for compact electronics where space is limited but dependable power is a must. Devices such as calculators, wristwatches, cameras, and medical tools rely on this L1131F battery for consistent, long-term performance.
Specifications of L1131F Battery
| Parameter | Value | Notes |
|---|---|---|
| Nominal Voltage | 1.55V | Silver oxide chemistry ensures stable discharge |
| Diameter | 11.6 mm | Standard size |
| Thickness | 3.1 mm | Compact form |
| Capacity | \~45 mAh | Higher energy density than alkaline cells |
| Shelf Life | 4–6 years | Excellent storage stability |
| Operating Temp | –10°C to +60°C | Suitable for consumer and medical devices |
Applications of the L1131F Battery
• Calculators – Delivers steady, long-lasting power to ensure uninterrupted use in classrooms, offices, and professional settings.
• Wristwatches – Supports continuous, accurate timekeeping for years without frequent replacement, making it a preferred choice for analog and digital models.
• Medical Devices – Trusted in thermometers, diagnostic instruments, and hearing aids, where consistent performance can directly impact accuracy and safety.
• Cameras & Photo Gear – Provides reliable energy for exposure meters, date/time modules, and memory backup functions in both vintage and modern equipment.
• Laser Pointers & Electronics – Powers handheld pointers, compact flashlights, and small remote controls, offering quick response and dependable operation.
Equivalents and Replacements of L1131F
| Category / Chemistry | Equivalent / Alternate Part Numbers | Notes / Comments |
|---|---|---|
| Silver Oxide (preferred for performance & stable voltage) | SR1130, SR1130W, SR54, SR1131, SR1131SW, SG11 | These provide better voltage stability than alkaline in many devices. |
| Silver Oxide (preferred for performance & stable voltage) | 389, 389A, 389X | Common silver oxide / general button battery naming that often overlaps with L1131 series. |
| Silver Oxide (preferred for performance & stable voltage) | GP189 | Alternative manufacturer naming. |
| Silver Oxide (preferred for performance & stable voltage) | V10GA | Another naming variant in cross reference lists. |
| Alkaline / Lower cost alternatives (less ideal, for low-drain use) | LR1130, LR1130X, LR1131 | Similar size but less stable voltage and shorter life. |
| Alkaline / Lower cost alternatives (less ideal, for low-drain use) | AG10, AG-10 | Another common alkaline button cell equivalent. |
| Alkaline / Lower cost alternatives (less ideal, for low-drain use) | 280-15, 280-24 | “280-” series designations used in some manufacturer charts. |
| Alkaline / Lower cost alternatives (less ideal, for low-drain use) | D389 | Cheaper / alternative naming; may have slightly different characteristics. |
| Variant / alternative labels / suffixes | L1131H, L1131D, LL1131, LL1131F, L1131C | Slight variants in physical specs or brand labeling. |
| Variant / alternative labels / suffixes | E389 | An alternate indexing used in some charts. |
| Variant / alternative labels / suffixes | “M” (in some tables) | Sometimes used generically or as abbreviation for a variant. |
L1131F Comparison with Similar Batteries
| Feature | L1131F (Silver Oxide) | SR1131SW (Silver Oxide) | LR1131 (Alkaline) |
|---|---|---|---|
| Chemistry | Silver Oxide | Silver Oxide | Alkaline |
| Voltage | 1.55V | 1.55V | 1.5V |
| Capacity | \~45 mAh | \~45 mAh | \~40 mAh |
| Lifespan | Long | Long | Shorter |
| Best For | Precision devices | Precision devices | Low-drain gadgets |
Factors When Choosing a Replacement
When replacing the L1131F battery, several key factors determine performance and safety:
• Voltage & Size – Always confirm the replacement matches the original rating: 1.55V with dimensions 11.6 × 3.1 mm. Even small deviations can affect device operation or cause fitting issues.
• Brand Quality – Opt for trusted manufacturers such as Renata, Panasonic, Maxell, or Energizer. Reputable brands ensure stable output, longer runtime, and reduced leakage risk compared to generic options.
• Shelf Life – Silver oxide variants provide superior longevity over alkaline types, making them ideal for devices that sit unused for long periods but must work reliably when needed.
• Safe Disposal – Always recycle used cells through official collection points. Improper disposal in household trash can cause environmental harm or leakage during waste handling.
Technical Comparison with Similar Batteries
| Feature | L1131F | LR44 | AG10 | SR1130 | 389 |
|---|---|---|---|---|---|
| Voltage | 1.55V | 1.5V | 1.5V | 1.55V | 1.5V |
| Diameter (mm) | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 |
| Thickness (mm) | 3.1 | 5.4 | 3.1 | 3.1 | 3.1 |
| Chemistry | Silver Oxide | Alkaline | Alkaline | Silver Oxide | Alkaline |
| Common Uses | Watches, medical devices | Toys, remotes | Watches, toys | Precision devices | Key fobs, meters |
L1131F Battery Buying Strategies
Making the right purchase decision ensures your devices get the performance and reliability they need:
• Identify Chemistry – Confirm that the replacement is Silver Oxide (L1131F), not the cheaper alkaline equivalent. Silver oxide provides stable voltage and longer life, making it the correct choice for precision devices like watches and medical tools.
• Choose Trusted Brands – Stick with manufacturers such as Renata, Panasonic, Energizer, or Maxell. These brands are known for consistent quality, accurate labeling, and lower risk of premature failure.
• Avoid Generic Packs – Low-cost, unbranded batteries may suffer from short runtime, leakage, or inconsistent performance that could damage delicate electronics.
• Multipacks Save Money – If you regularly use button cells, buying in sealed multipacks ensures both cost savings and convenience while maintaining freshness.
• Check Expiry Date – Always purchase from reliable sellers and verify the date on the packaging. Fresh stock guarantees maximum runtime and prevents premature drain.
Storage and Safety Guidelines for L1131F
Proper storage and handling extend battery life and ensure safe use:
• Store in a Cool, Dry Place – Heat and humidity accelerate chemical breakdown. A drawer or cabinet away from appliances and sunlight helps maintain shelf life.
• Keep in Original Packaging – Packaging shields batteries from dust, moisture, and accidental contact with other objects, reducing the risk of self-discharge.
• Avoid Metal Contact – Never store loose batteries with keys, coins, or other metallic items, as direct contact can cause a short circuit and heat buildup.
• Do Not Mix Old and New Batteries – Using partially depleted cells alongside fresh ones causes uneven discharge, leading to leakage or shortened performance.
• Child Safety – Button cells pose a severe ingestion hazard. Always keep them out of reach, and seek immediate medical attention if swallowed.
• Inspect Stored Cells Regularly – Check occasionally for signs of swelling, corrosion, or leakage. Remove any damaged cells promptly to prevent harm to nearby items.
• Dispose Responsibly – Never throw L1131F batteries in household trash. Use certified battery recycling programs or collection points for safe disposal.
Common Problems with L1131F Batteries
Even high-quality silver oxide cells like the L1131F can encounter issues under certain conditions:
• Swelling – Prolonged exposure to heat or humidity may cause the battery to expand, which can damage delicate compartments in watches or calculators.
• Contact Issues – Dust buildup or surface corrosion on the terminals can interrupt proper current flow, leading to malfunction or intermittent operation of the device.
• Short Runtime – Using counterfeit, expired, or improperly stored cells often results in reduced capacity, meaning devices require more frequent replacements.
• Leakage – Although less common in silver oxide chemistry, leakage can still occur if a cell is deeply over-discharged or left inside a device long past its usable life.
How to Replace an L1131F Battery Safely?
Replacing the L1131F is straightforward, but careful handling protects both the device and the new cell:
• Turn Off the Device – Always switch off or disconnect power before attempting replacement to avoid short circuits or accidental activation.
• Open the Battery Compartment Carefully – Use the appropriate tool (like a small screwdriver for watches or gadgets) and avoid forcing the cover to prevent damage.
• Remove the Old Battery with Non-Metallic Tweezers – Plastic tweezers are preferred to prevent accidental shorting and to avoid scratching delicate contacts.
• Note the Polarity (+/–) – Double-check how the old battery was oriented. Inserting the new one backward can cause malfunction or even damage.
• Insert the New Battery Securely – Place it gently into the slot, ensuring it sits flat and makes full contact with the terminals.
• Close the Compartment Firmly – Re-seal the cover without overtightening, especially in small devices like watches or medical tools.
• Power On the Device – Test immediately to confirm proper installation and stable operation.
Conclusion
The L1131F battery is a trusted silver oxide button cell that offers stable power, long shelf life, and superior performance compared to alkaline equivalents. From watches and cameras to medical devices, it ensures precision and durability. By selecting genuine, high-quality replacements and following safe handling guidelines, you can maximize both device reliability and battery life.
Frequently Asked Questions [FAQ]
Q1. How long does an L1131F last in a watch?
Typically up to 3 years, depending on features like alarms or backlighting.
Q2. Is the L1131F rechargeable?
No, it’s a non-rechargeable silver oxide cell. Attempting to recharge can cause leakage or rupture.
Q3. What is the shelf life of L1131F?
Stored properly, 4–6 years, longer than alkaline types.
Q4. Can I replace an L1131F with LR1131?
Yes, but performance will be lower. LR1131 is alkaline and has shorter life.
Q5. Is the L1131F safe for children’s toys?
Yes, but button cells pose ingestion hazards. Ensure secure compartments and keep spares out of reach.