Sleipner Overview All / Upgrade Kits / Pro Upgrades - Variable Speed All Thruster Packages AC Thrusters DC Thrusters Hydraulic Thrusters Electrical Components Spares Tunnels and Flanges Upgrade Kits Propeller Upgrades Pro Upgrades - Variable Speed IPC Upgrades Proportional Power Controller £2,146.59 Select Output PPC520 PPC820 Add To Cart Upgrade kit for SE100/120/210/240 £69.13 Add To Cart Upgrade kit for SE30/40/60/80/130/150/170 £69.13 Add To Cart Upgrade kit for SR80/SR100 £104.72 Add To Cart