PowerStar-CHARGER and BATTERY COMBO FOR 02-03 Yamaha YZF-R1 YT12B-BS 2002-2003 YZFR1-2 Year Warranty PowerStar Brand - 2 YEAR WARRANTY 12V 10AH 100% OEM compatible - Advanced AGM Technology L-6 in. W-2.75 in. H-5.12 in. 12V/2.0A Lead-acid Battery Charger with 3-stage Charging Modes and Short-circuit Protection