Rick's Motorsport Electrics Lithium Battery Regulator/Rectifier Honda 500cc-1100cc Features: Designed with a lower voltage set point than OE regulator/rectifiers to ensure the safe charging of lithium ion polymer/lithium iron phosphate batteries Virtually eliminates the possibility of over-voltage charging conditions which can damage expensive lithium batteries Made with OE style plug ends wherever possible Note: Not for use with lead acid batteries.