CHOOSE THE CONNETORS FOR YOUR LITHIUM POLYMER BATTERY
Amazon.com: DAIERTEK 10pcs 9V Battery Connector 9 Volt Battery Snap Clip I Type with 2 Pairs of Alligator Clips and 2.1mm X 5.5mm DC Male Power Plug : Electronics
Popular R/C Battery Connector Roundup - YouTube
RC Battery Connectors and Plugs: How do I choose?
Electrics
Panasonic Launches Industry's Thinnest* Battery Connector Corresponding to 6 Ampere High Current Capacity, Contributing to Further Improvements in Mobile Devices | Business Wire