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 Lithium Ion Powersports battery provide over 600A of starting power,over 4000 Charging Cycles.Compared to lead-acid battery,it's 3X more power,10X more starts,and 5X longer life Main Parameters: Size:7.3 x 3.1 x 6.7 in(L*W*H); Polarity:[- +]; Weight:5.1 Pounds; Voltage: 12.8 V; Capacity: 12 Ah; Cold Cranking Ampere:600 A Built in BMS: The built-in Battery Management System(BMS),It protects the battery from over charge and discharge,over current,short circuit,also includes against extreme heat and cold Fast Charging: Offers the fastest charging available and can be recharged in minutes. Offers 5x faster charging than Lead Acid batteries, and the fastest Lithium Charging available It also replaces battery sizes: 51814,53030,YT19BL-BS, YUAM2219A 51913, 51814, CYL19BLBS, PS-12180,51913, UT51913, 51913-FS, 51814, BCP18-12, BCP18-12-BS, UT51913-22, 12V20P, YT19BL-BS, WP20-12i, YUAM2219A, YUAM6219BL Compatible: Suitable for Motorcycles: BMW K1600GT/GTL, BMW R1100GS, BMW K1200RS, BMW R850R, K1100LT/RS, K1200LT/GT,K1200LT/GT/RS/S,K1300GT,K1600GT/GTL, K75,K75RT,R1100GS,R1100R,R1100RS, RT,R1100S/ABS,R1150GS/R, R1150R/RS/RT, R1200C,R1200RT; Personal watercraft: Ultranautics Jetstar1250,Jetstar 1260; Snowmobile: Polaris Sprint (electric start). Customer Support: BUY IT WITH CONFIDENCE! If you have any questions, don't hesitate to contact TYKOOL after-sales team, we will respond in 24 hours.TYKOOL is committed to delivering top-notch batteries and exceptional service to its loyal customers Tykool LiFePO4 Powersports Battery – Power Smarter, Ride Longer 1. Upgrade to Lithium Excellence Replace bulky lead-acid batteries with Tykool’s LiFePO4 technology—no sulfation, no activation, no acid, no maintenance, no water needed. Comes fully charged and ready to install, delivering hassle-free power. 2. High Performance, Lightweight Design With 600CCA starting power and over 4000 charging cycles, this battery outperforms lead-acid options with 3X more power, 10X more starts, and 5X longer life. At just 5.1 lbs, it’s lightweight yet powerful. 3. Built-In Smart Protection The integrated Battery Management System (BMS) safeguards against overcharging, over-discharging, overcurrent, short circuits, and extreme temperatures, ensuring safety and durability. 4. Fast & Efficient Charging Enjoy 5X faster charging than lead-acid batteries, with the fastest lithium charging available. Recharge in minutes and get back on the road or water quickly. 5. Wide Compatibility Fits motorcycles (BMW R1100RS, R1100RT, K1600GT, and more), personal watercraft (Jetstar1250/1260), snowmobiles (Polaris Sprint), and more. Also replaces battery sizes: 51913, 51814, 53030, YT19BL-BS, and others. Power Up with Tykool – The Smarter Choice for Your Ride!