Delivers 0 to 15v at 3 Amps with overload protection. There is also an LED that will show you, that you are over 3 Amps. The transistor needed for this kit is: 15 to 18Vac at 3,5Amps (Not supplied).
DIGITAL VOLTMETER DC 0-30V
EFK 5000 L200 Power Supply
EFK 5001 Adjustable LM317T Power Supply
EFK 5003 2 Amp Battery Charger
EFK 5004 5 Amp Lead Acid Battery Charger