Rick's Motorsport Electrics offers their Hot Shot Aftermarket Lithium Ion Compatible Rectifier Regulator for 2011-16 Aprilia Tuono & 2013-16 RSV4. Rick's part #14-021H is made with cooling Mosfet technology. It is a direct replacement for the OEM piece that is made with the correct voltage set point to work with Lithium Ion batteries.

fits the following models: