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Master Instruments - TB-21700IC50

5.0Ah Protected Lithium-ion Torch Battery (TB-21700IC50-BP1)

5.0Ah Protected Lithium-ion Torch Battery (TB-21700IC50-BP1)

Regular price $19.66 AUD
Regular price Sale price $19.66 AUD
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Power your high-performance torch with confidence. The MI Battery Experts TB-21700IC50-BP1 is a 21700-size, 5,000mAh protected Li-ion battery designed specifically for lighting gear that demands long runtimes and dependable safety.

A built-in protection circuit safeguards against over-charge, over-discharge, short-circuit and over-current, while the button-top design ensures reliable contact in most premium flashlights and headlamps. Ideal for camping, 4WD touring, and emergency kits across Australia, this cell delivers stable output, long cycle life, and peace of mind.

Key Features

  • High capacity 5,000mAh (5.0Ah): Excellent runtime for modern LED torches and headlamps.
  • Built-in protection circuit: Guarded against over-charge, over-discharge, short-circuit and over-current.
  • 21700 format, button-top: Secure contact and broad torch compatibility.
  • Stable Li-ion performance: Consistent output and long cycle life with appropriate care.
  • Single-pack convenience: Ready to charge and use in compatible devices.
  • Australian use-case ready: Great for touring, camping, emergency lighting and professional duty.

Specifications

Brand MI Battery Experts
Model / Code TB-21700IC50-BP1
Cell Size 21700
Nominal Capacity 5,000mAh (5.0Ah)
Chemistry Lithium-ion (rechargeable)
Nominal Voltage 3.6–3.7V
Max Charge Voltage 4.2V
Protection Circuit Integrated (over-charge, over-discharge, short-circuit, over-current)
Terminal Button-top (protected)
Quantity 1 battery
Typical Applications Torches/flashlights, headlamps, lighting gear
Charging Use a quality Li-ion charger with 21700 support
Dimensions Ø ~21.5 mm × ~70–75 mm (protected, approx.)
Operating Guidance Do not mix old/new cells; do not use in devices requiring unprotected/flat-top cells
Country of Use Suitable for the Australian market
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