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3.7V 150mAh 402025 Lipo Battery Rechargeable Lithium Polymer ion Batt
Cylindrical li ion battery 18650 3.7V 2000mAh rechargeable battery pack - VATS BATTERY
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Amazon.com: 4 Pcs ICR 10440 Rechargeable Lithium Ion Battery,3.7v Batteries 350mAh (0.39 * 1.73 inch, Shorter Than AAA Size) : Health & Household
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Lithium Ion Polymer Battery 3.7V 1000mAh | TinyCircuits.com
Lithium Ion Polymer Battery with Short Cable - 3.7V 420mAh : ID 4236 : $6.95 : Adafruit Industries, Unique & fun DIY electronics and kits