18650 Saber Batteries — 2000mAh or 3200mAh (Button-Top or Flat-Top Options)

Power your saber with reliable, high-capacity 18650 Li-ion batteries designed specifically for performance sabers. Whether you’re upgrading your hilt, replacing an old battery, or preparing for long convention days, these Tesku cells deliver stable output, strong runtime, and consistent power for dueling, spinning, cosplay, or display.

Available in Button-Top and Flat-Top formats, so you can choose the exact style your saber requires.

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Stable, Consistent Saber Power

Each 18650 battery provides a steady 3.7V output to keep your saber’s sound, effects, and illumination running smoothly. Built with protected circuits and safe, rechargeable chemistry, these cells help prevent brightness drop-offs and ensure your saber performs at its best from full charge to low power.

Perfect for long con days, stage performances, or everyday use.

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Choose Your Battery Type & Capacity

✔ Button-Top 18650 Batteries

Compatible with sabers designed for raised-contact batteries. Offers secure connection and strong, stable performance.

✔ Flat-Top 18650 Batteries

Ideal for sabers with recessed or flush-contact battery compartments. Smooth, snug fit for reliable power delivery.

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Choose Your Capacity

✔ 2000mAh 18650 Battery

A dependable, lightweight power cell for everyday dueling, spinning, and shorter sessions.

✔ 3200mAh 18650 Battery

A high-capacity option for longer runtime—perfect for full-day conventions, performances, or sabers that demand more power.

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Built for Performance & Safety

• Protected 18650 Li-ion rechargeable cell

• Stable 3.7V output

• High-quality internal circuitry

• Available in button-top and flat-top

• Rechargeable hundreds of times

• Safe, durable, and optimized for saber electronics

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Perfect for Dueling, Cosplay, or Display

These batteries keep your saber bright, loud, and responsive—whether you’re performing on stage or walking the convention floor. Reliable power is essential, and these 18650 cells deliver every time.