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2 x CR2032 Coin Cell Battery Box w/ On-Off Switch & Plain Wires : ID 4988 : $1.50 : Adafruit Industries, Unique & fun DIY electronics and kits
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Amazon.com: Amazon Basics 6 Pack CR2032 3 Volt Lithium Coin Cell Battery, Long Lasting Power in Child Resistant Packaging : Health & Household
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Amazon.com: EmazingLights CR2450 Batteries 3 Volt Lithium Coin Cell 3V Button Battery (20 Pack) : Health & Household
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200PCS EEMB CR2477 Li-MnO2 Non-Rechargeable Lithium Battery 3V Button Coin Cell Battery Trusted Quality 1000mAh UL Certified DO NOT Charge Battery
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