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Tadiran Batteries  |  SKU: TL-5101/S-01

Tadiran Battery Model Tl-5101/s 1/2 Aa 3.6v, 950 Mah - 3.42wh

🚀 In stock and ready for shipment from our warehouse. Pickup NOT available for this product
Regular price $13.63 CAD

Tadiran TL-5101 vs TL-5902 – Full Technical Comparison

Learn why the TL-5902 fully replaces the TL-5101 in all applications and which cell is best for your device.

⚠️ Custom Assembly Lead Time

If this product requires custom assembly (e.g. tabs, flyleads, or PC-pins). As these cells are built in-house, shipping may be delayed depending on our current workshop workload. Please contact us before ordering if you need a firm delivery estimate.

Tadiran TL-5101/S Replacement Battery – 3.6V Lithium 1/2AA 950mAh ER14250 Equivalent

Buy a high-quality Tadiran TL-5101/S replacement battery, a dependable 3.6V lithium 1/2AA battery engineered for industrial electronics, medical equipment, security systems, metering devices, memory backup systems, and other specialist applications. This compact 950mAh lithium battery delivers reliable long-term power, stable voltage output, and excellent energy density in a space-saving 1/2AA format. Compatible with replacement models including ER14250, LS14250, TL-4902, TL-4902/S, TL-5101, XL-050F, and XL-050H.

950mAh Capacity 3.6V Lithium Output 3.42Wh Energy 1/2AA Industrial Cell

Technical Specifications

ModelTL-5101/S
BrandTadiran
Battery TypePrimary Lithium Battery
Size1/2AA (ER14250)
ChemistryLithium
Voltage3.6V
Capacity950mAh
Energy3.42Wh
Diameter14.5mm (0.571")
Height25.2mm (0.992")
RechargeableNo
Warranty30 Day DOA Warranty Only

Why Choose This TL-5101/S Battery?

  • Reliable Industrial Power: Designed for demanding industrial, security, and specialist electronic applications.
  • High Energy Density: Compact 1/2AA design delivers long-lasting power while saving installation space.
  • Stable 3.6V Output: Provides dependable voltage for sensitive electronic systems.
  • Long Service Life: Built for long-term operation in low-drain applications.
  • Compact ER14250 Size: Fits equipment requiring standard 1/2AA lithium cells.
  • Trusted Tadiran Quality: Engineered for reliability in critical equipment.

Compatible Battery Models

TL-5101/S TL-5101 TL-4902 TL-4902/S ER14250 ER14250HD LS14250 XL-050F XL-050H 1/2AA

Always verify your existing battery dimensions, voltage, and model number before ordering.

Typical Applications

  • Industrial electronic equipment
  • Medical devices and monitoring systems
  • Security and alarm systems
  • Memory backup applications
  • PLC and instrumentation equipment
  • Utility metering systems
  • High-demand specialist devices

TL-5101/S Battery FAQs

  • Is the TL-5101/S rechargeable?
    No. The TL-5101/S is a primary lithium battery and is not rechargeable.
  • What replaces the Tadiran TL-5101/S?
    Compatible replacement models include ER14250, ER14250HD, LS14250, TL-4902, TL-4902/S, XL-050F, and XL-050H.
  • What size battery is the TL-5101/S?
    It uses the standard 1/2AA (ER14250) format measuring approximately 14.5mm × 25.2mm.
  • What applications commonly use this battery?
    Common uses include industrial controls, security systems, medical devices, instrumentation, and backup memory applications.

Product Highlights

  • Battery Size: 1/2AA (ER14250)
  • Voltage: 3.6V
  • Capacity: 950mAh
  • Energy: 3.42Wh
  • Dimensions: 14.5 × 25.2mm
  • Chemistry: Lithium
  • Warranty: 30 Day DOA Warranty

Industrial Grade Long-Life Power

The Tadiran TL-5101/S lithium battery delivers dependable 3.6V power in a compact 1/2AA ER14250 format, making it an excellent solution for industrial electronics, medical equipment, security systems, and memory backup applications requiring reliable long-term operation.

Warranty Information

This is a primary one-use lithium battery and includes a 30 Day DOA (Dead on Arrival) warranty only.

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Please note: We reserve the right to send heavier items by transport truck if the carrier's maximum weight per package is exceeded or if we consider it too risky to place with a courier due to the possibility of damage occurring.

🔋 What’s mAh All About?

mAh stands for milliamp hours—basically, how much "fuel" your battery can hold. A higher or lower mAh than your original battery? No worries! 🙌 It won’t affect charging or operation—just means your device might run a bit longer or shorter between charges. Still 100% compatible. Still 100% awesome. 💪✨

Before ordering please read

Ensure the original battery model number is mentioned in our product description and verify that your device model number is also listed in the description.

How to Look after your new lithium battery!!

See how to look after your battery if its lithium Lithium Care

Delivery and Shipping

See our shipping policy and details at this link Shipping Details

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We’ve helped thousands of customers find the right battery — let us do the same for you. Whether it’s for an alarm system, emergency light, or industrial equipment, we’ve got you covered.

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