About This Upgrade to Lithium Battery: A perfect replacement for Lead-Acid batteries.No sulfation.Requires no activation,no acid,no maintenance,and no water needed.And it comes fully charged and ready to install High Performance and Lightweight: Tykool LiFePO4 lithium battery provide over 420A of starting power,over 4000 Charging Cycles.Compared to lead-acid battery,it's 2X more power,10X more starts,and 5X longer life Easy Monitoring and Protection: Digital Readout for SOC to check realtime Capacity; Built in BMS to protect the battery from over discharge, over charge, over current and short circuit. Cells ballancing function makes the battery with long life. Fits for BMS series motorcycles: K1100LT/RS, K1200LT, K1200GT, K1200Lt, K1200Gt, K1200Rs, K1200S, K1200RS, K1300GT, K75, K75RT, R1100GS, R1100R, R1100RS, R1100RT, R1100S, R1100ABS, R1150GS, R1150R, R1150RS, R1150RT, R1200C, R1200RT,K75, K75C, K75S, R50/5, R60/5, R75/5, R80GS, R80ST Fits for Generators: Most duel fuel portable generators; Some Champion Generators; cp12180 generator battery Overview Brand : TYKOOL Size : 51913G Number Of Cells : 4 Terminal : Stud Terminal Automotive Fit Type : Vehicle Specific Fit Manufacturer : TYKOOL Vehicle Service Type Motorcycles, ATVs, Snow Mobiles, Watercraft-BMW K1600GT/GTL, BMW R1100GS, BMW K1200RS, BMW R850R, and More Motorcycles, ATVs, Snow Mobiles, Watercraft-BMW K1600GT/GTL, BMW R1100GS, BMW K1200RS, BMW R850R, and More See more : Battery Cell Composition Lithium Ion : Vehicle Service Type Motorcycles, ATVs, Snow Mobiles, Watercraft-BMW K1600GT/GTL, BMW R1100GS, BMW K1200RS, BMW R850R, and More Motorcycles, ATVs, Snow Mobiles, Watercraft-BMW K1600GT/GTL, BMW R1100GS, BMW K1200RS, BMW R850R, and More See more : Battery Cell Composition Lithium Ion