Part No: AESC480 Price: £105.95
480 Speed Control Unit 80A, 4.8V - 28V, from Admiralty Electronics.

80 Amp speed controller for 4.8V to 28V operation (up to 18 cells!), 80A continuous 240A surge. Microprocessor controlled for improved slow speed control; EEPROM memory of initial set-ups - no pots to adjust for range and neutral; “SLOW PRIORITY” mode makes control easier at slow speeds; Normal or “HIGH” rate switching lets you tune the control to the motor for the best slow speed control or high power performance (also lets you eliminate the annoying whine as with many controls); 14 Gauge silicone wire; Fully proportional forward and reverse; Mosfet output with NO direction relay to stick; 100% optically isolated output stages; Overheat shutdown circuit with auto reset; Provision for water-cooling of heat sink.