EC2 to Banana Plug Charge Lead Adapter For Hubsan H501S X4 RC Quadcopter Description: Brand Name: Hubsan Item No.: H501S Item Name: EC2 To Banana Plug Charge Lead Adapter Weight: about 24g Usage: for Hubsan H501S X4 RC Quadcopter Use this adapter lead to charge batteries with EC2 plugs   Package Included: 1 x EC2 To Banana Plug Charge Lead Adapter