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PKCELL Flat Top 18650 3.7V 3000mAh Rechargeable Li-Ion Battery
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1S2P ICR18650 3.7V 5200Mah Li Ion Battery Pack
Lithium Ion Polymer Battery with Short Cable - 3.7V 420mAh : ID 4236 : $6.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Amazon.com: HXJNLDC DC 3.7V 1300mAh 503759 Rechargeable Lithium Polymer Replacement Battery for DIY 3.7-5V Electronic Product, Mobile Energy Storage Power Supply : Health & Household
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