Powerlite C40 Type 40 Amps Dynalite Dynamo to Alternator Conversion with tacho drive. The original alternator that looks like a dynamo! Invented, designed, tested and built with OE rated components in the UK. Dynalites deliver the performance of a modern alternator whilst retaining the period look of a dynamo. Positive Earth, 12 Volts, 40 Amps, 15mm Shaft Size. Customers outside UK, please note. All UK orders are sent by courier on a standard service. Transit times vary from country to country but are typically 2-5 days.