Minimum charging voltage:14.5V +/- 0.5V The highest level of laminate, higher grade electronics. High quality, cost effective parts replacement. Improved heat sink and charging features. Directly replace your device, plug and play, easy to install. No assembly is required. Before installing a new regulator rectifier: Check the AC output of the stator. Replace all burnt or corroded connectors on the stator and regulator rectifiers. Inspect and repair all molten wires. Use high temperature insulation grease on all connectors. Fitment: For Buyang Feishen Linhai 300cc D300 ATV 300 For BUYANG -D300 H300 ATVs Quad Bike She 400CC ATV Colour: black Material: ABS+metal Package Contents: 1 * Motorcycle Rectifier Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.