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LR44 vs 357 Battery: Differences, Interchangeability, and How to Choose

LR44
Part No.:
LR44
Manufacturer:
Toshiba Lifestyle Products
Category:
Product information
Package:
Datasheet:
BomKey ElectronicsLR44.pdf
Description:
BATT ALKALINE 1.5V COIN 11.6MM
Payment:
Payment
Shipping:
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Article Details

LR44 vs 357 Battery: Differences, Compatibility, and Choosing the Right One

When shopping for button batteries, many consumers encounter two commonly confused models: LR44 battery and 357 battery. Despite looking nearly identical, they serve slightly different purposes due to their chemical composition and voltage stability. This guide breaks down everything you need to know so you can select the best battery for your device.



Overview of LR44 Battery


The LR44 battery is a widely used alkaline button cell. Its affordability, wide availability, and versatility make it one of the most popular choices for many everyday devices.

  • Battery Type: Alkaline
  • Voltage: 1.5V
  • Capacity: 110–150 mAh
  • Diameter: 11.6 mm
  • Height: 5.4 mm
  • Chemistry: Manganese dioxide (MnO₂) and zinc

Typical LR44 Applications:

  • Toys
  • Calculators
  • Digital thermometers
  • Laser pointers
  • Small LED lights
  • Entry-level wristwatches

Overview of  357 Battery

The 357 battery, on the other hand, belongs to the silver-oxide family. This chemistry allows it to maintain a much steadier voltage until it is nearly depleted, making it ideal for precision instruments.

  • Battery Type: Silver-oxide
  • Voltage: 1.55V
  • Capacity: 150–200 mAh
  • Diameter: 11.6 mm
  • Height: 5.4 mm
  • Chemistry: Silver oxide

Typical 357 Applications:

  • High-end wristwatches
  • Glucose meters
  • Medical equipment
  • Digital calipers
  • Professional cameras
  • Hearing aids

LR44 vs 357: Similarities


Though their internal chemistry differs, both batteries share identical physical dimensions:

Feature LR44 357
Diameter 11.6 mm 11.6 mm
Height 5.4 mm 5.4 mm
Shape Button Cell Button Cell

Alternate Names:
LR44: AG13, A76, L1154
357: SR44, SR44W, SR44SW

LR44 vs 357: Differences

Feature LR44 (Alkaline) 357 (Silver-oxide)
Voltage 1.5V 1.55V
Voltage Stability Declines steadily Holds stable
Capacity 110–150 mAh 150–200 mAh
Shelf Life 3–5 years 5–10 years
Price Lower Higher

How to Choose Between LR44 and 357

  • Use LR44 for simple devices like calculators, small toys, laser pointers, and basic LED lights where small voltage drops won't affect performance.
  • Use 357 for watches, medical tools, precision measuring instruments, and devices that require accurate and stable voltage.

FAQ

Are LR44 and 357 interchangeable?
Physically, yes. But performance may differ based on the device. Low-drain devices can handle either; precision devices often need 357.

Can I replace a 357 battery with LR44?
For some non-sensitive gadgets, yes. For devices that require voltage stability, it's not recommended.

Why is the 357 battery more expensive?
Silver-oxide technology is more costly but offers better stability, longer life, and higher capacity.

Can I mix battery types?
No. Mixing alkaline and silver-oxide cells may lead to leakage, reduced performance, or device malfunction.

How to store these batteries?
Store in a dry, cool place away from humidity and heat to maximize shelf life.

Other Names:
LR44: AG13, A76, L1154; 357: SR44, SR44W, SR44SW

LR44 Specifications

Toshiba Lifestyle Products LR44 technical specifications, attributes, parameters and parts with similar specifications to Toshiba Lifestyle Products LR44.
Attributes
Property Value
Manufacturer
Toshiba Lifestyle Products
Series:
LR44
Packaging:
Tray
Product Status:
Active
Battery Chemistry:
Alkaline Manganese Dioxide
Battery Cell Size:
Coin, 11.6mm
Voltage - Rated:
1.5 V
Capacity:
-
Size / Dimension:
0.46" Dia x 0.21" H (11.6mm x 5.4mm)
Termination Style:
Requires Holder
Features:
-
Category:
Product information
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