The Mean Green High Output Alternator is the answer to all of your charging problems. This Alternator provides up to 300% more power than stock. So it can charge any engine application no matter what its' power requirements. Superior design, and precision balanced for smooth operation. The Alternator's tool steel rotorshaft is supported at both ends by heavy duty double sealed bearings. Even the heavy duty solid copper starter windings are sealed with high temperature insulation. That's one reason Mean Green include a 1 year Warranty at no charge on every alternator. Another is the heat resistant, multi-function integrated regulator which continues to operate even at extreme temperatures. The Mean Green alternators put out 100 amps at idle and between 140 amps and 200 amps at RPM's depending on application.