PKCELL Flat Top 18650 3.7V 3000mAh Rechargeable Li-Ion Battery
Amazon.com: DC 3.7V 3000mAh 103665 Rechargeable Lithium Polymer Replacement Battery for DIY 3.7-5V Electronic Product, Mobile Energy Storage Power Supply : Electronics
WONDOM Lithium Polymer 503040 Flat Battery 3.7V 600mAh 5 x 30 x 42mm with Plug
Lithium Ion Polymer Battery - 3.7v 100mAh : ID 1570 : $5.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Watson Lithium-Ion Battery Pack (3.7V, 1800mAh) for HD B-1801
18650 Blue Lithium-Ion Rechargeable Battery - 3.7V 2600mAh | xUmp
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Li-ion Battery 3.7V/2000mAh – Flat - Gamasonic USA