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2500mAh 18650 Battery

RGB Critter BT Accessory

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This high-quality 18650 battery is the official replacement for the RGB Critter Flashlight. Designed to fit perfectly within the Critter’s compact body, we recommend using only this specific battery to ensure proper performance and safety.

You can recharge the RGB Critter using the USB-C charging cable included with your order, or swap out the battery when needed. For a quick guide on how to replace the battery, check out this video [RGB Critter BT Charging Instructions Video].

To get the most life and consistent performance out of your battery, we recommend reviewing these battery care and handling tips [Battery Handling Tips].

Please note: 

  • Due to shipping regulations, we are unable to ship standalone batteries to international addresses or using overnight shipping methods.
  • Please note: Battery appearance may vary from the photo shown. We no longer use the custom AOAM battery wrap, but this is the same approved 18650 replacement battery for the RGB Critter Flashlight.
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2500mAh 18650 Battery
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RGB CRITTER FLOW KITS. BUILT for performance.

Explore light toys powered by the versatile RGB Critter BT color-changing flashlight. These twist-on accessories, including fiber optic whips, light sabers, and more, easily attach for next-level flow.

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BitWhip Fiber Optic Whip

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Fiber Optic Costume Kit

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Double BitWhip Kit

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Light painting ideas

LED Staff Kit

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flow saber

Sol Saber Kit

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jupiter rope package orange

Jupiter Rope Kit

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Jupiter Jump Rope in blue, powered by two RGB Critter BT flashlights, designed for high-impact flow arts and dynamic light performances.

Jump Rope Kit

5.0 (5)
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Honeycomb Saber Accessory in orange connected to an RGB Critter BT flashlight, creating glowing trails for flow arts, light painting, and performances at festivals like Burning Man.

Honeycomb Saber Kit

4.64 (28)
Butterfly Saber Accessory in blue connected to an RGB Critter BT flashlight, creating vibrant trails for flow arts, performances, and light painting at festivals like Burning Man.

Butterfly Saber Kit

4.52 (21)

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International Shipping Restriction

This lithium-ion battery cannot be shipped internationally and cannot be added to your cart.

You can purchase the required battery locally with these specifications:

  • 18650
  • Lithium-ion
  • 3.6V nominal
  • Unprotected
  • Flat top
  • 18.3mm diameter × 65.0mm length

Do not purchase protected, button top, 3.2V, or 1.5V cells.

Ants on a Melon is not responsible for batteries purchased from third-party sellers. Please verify specifications and use only high-quality lithium-ion cells from reputable brands.