Your remote control has 4 channels, and the Remote flameout will take one channel switch. Please remove the old batteries. Use a new 4S Lipo battery. The Brushless ESC has BEC 5V/3A. (Requirements for 4S Lipo Battery: 1300mah, 20C).
The item "Wolunstart Z5-1 Remote control alternator electric starter for 1/5 rc car" is in sale since Wednesday, October 04, 2017. This item is in the category "Toys & Hobbies\Radio Control & Control Line\RC Model Vehicle Parts & Accs\Body Parts & Interior\Cars, Trucks & Motorcycles". The seller is "wolunstart" and is located in Shanghai. This item can be shipped worldwide.