(3 Pack) EC2 Female to EC3 Male Conversion Adapter for RC Batteries Great for adapting your EC3 batteries for use with chargers/ESCs that don't provide an EC3 adapter The quick, easy and affordable solution for your mismatched connector Saves you money and soldering time Use to convert your battery's EC3 connector to a EC2 connector Great for use with RC planes, helis, cars, and trucks