Battery Terminal Ends​
Battery End Seal Series

Li-MnO2 Battery End Seals

Sinopride manufactures glass-to-metal battery end seals for lithium manganese dioxide(Li-MnO2)batteries.
They provides hermetic sealing,electrical insulation,and electrolyte corrosion resistance,with customizable dimensions and configurations for different battery designs.
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Technical Specifications

Battery End Seals
Application Code Cap Size Leakage Rate insulation resistance
/500V DC		 Push-pull Force Remark
Li-SOCl2 Battery 14250 short-pinned ø13.5*7.5 ＜1x10-9Pa*m³/s 1000MΩ 2000N Weldable nickel needle

14505 short-pinned

 ø13.5*14 2000N Weldable nickel needle

17505 short-pinned

 ø15.8*14 2000N

18505 short-pinned

 ø17.5*11 2000N

26500 short-pinned

 ø24.5*11 2100N

34615 short-pinned

 ø31.5*11 2200N

14505 long-pinned

 ø13.5*46 2000N

18505 long-pinned

 ø17.5*46 2000N

26500 long-pinned

 ø24.5*46 2000N

34615 long-pinned

 ø31.5*56 2000N
Li-MnO2 Battery CR17 ø15.88*7.1 /

Typical Applications

 
  • battery caps
    Bobbin-Type Li-MnO2 Batteries
  • battery caps
    Spiral-Wound Li-MnO2 Batteries
  • battery caps
    Li-MnO2 Batteries in Various Formats
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Key Performance of Li-MnO2 Battery End Seals
 
  • Glass to metal hermetic seals
    Hermetic Sealing

    Helps prevent electrolyte leakage and moisture ingress by maintaining a gas-tight seal.

  • Glass to metal seal feedthrough
    Electrical Insulation

    Electrically isolates the thermal pin from the metal lid while maintaining the sealed connection.

  • Custom glass-to-metal-sealed connector
    Electrolyte Corrosion Resistance

    Resists electrolyte exposure to help maintain long-term sealing performance.

  • United glass to metal sealing
    Mechanical Strength

    Maintains a secure glass-to-metal joint and stable terminal connection under mechanical stress.

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Glass to metal compression seal
What Should You Consider When Selecting a Battery End Seal?
When selecting a Li-MnO₂battery end seal,consider the battery size,lid and terminal pin dimensions,metal materials,hermeticity and insulation requirements,and compatibility with the battery electrolyte.
These factors determine whether the end seal can reliable match the battery design and operating conditions.
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Why Choose Sinopride

for Li-Mno₂Battery End Seals?

 
  • Hermetic seal
    Consistent Batch Performance

    Stable dimensional and functional performance across production batches.

  • Glass to metal seal design
    Precise Dimensional Control

    Precise control of lid,terminal pin,and sealing dimensions supports reliable battery assembly.

  • Glass to metal sealing technology
    Flexible Design Customization

    Dimensions and structural configurations can be customized to match different battery designs.

  • Glass-to-metal-sealed terminal
    Controlled Sealing Quality

    Stable glass-to-metal sealing processes help maintain reliable and consistent seal quality.

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Manufacturing Considerations

 
 

Material & CTE Compatibility

Glass,lid,and terminal materials must be properly matched to support stable sealing and chemical resistance.

Sealing Process Control

Sealing temperature,furnace atmosphere,and heating/cooling profiles must be controlled to minimize defects and residual stress.

Inspection & Performance Verification

Finished seals are checked for hermeticity,electrical insulation,dimensional conformity,and mechanical integrity.
What Can Sinopride Offer You?
Integrated Sealing Glass and Glass-to-Metal Seals(GTMS) manufacturing supports reliable production,precise control,and flexible solution for your battery end seal requirements.
In-House Sealing Glass
In-house expertise in sealing glass materials.
Integrated GTMS Production
Integrated production from key components to finished glass-to-metal seals.
Precision Manufacturing
Precise control of critical dimensions and sealing components.
Quality Inspection
Inspection of hermeticity,insulation,dimensions,and mechanical performance.
Custom End-Seal Designs
Customized dimensions and structures for different battery designs.
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