12V, 14Ah, 210CCA Absorbent Glass Mat (AGM) Technology Battery STX20CH-BS Dimensions: 5.28" x 3.54" x 6.64" (L x W x H) Extreme Freeze, Heat and Vibration Resistance Superior Starting Power and Deep Cycle Capacity EASY APPLICATION: SigmasTek Powersport batteries come fully charged and ready to go. Simply connect your battery to the application. The replacement Yamaha 350CC YFM350F, U Big Bear, 1987-1999 ATV battery is guaranteed to meet or exceed OEM specifications. We supply brand new, factory fresh, high quality batteries at the lowest prices.