Upgrade to Lithium Battery: A perfect replacement for Lead Acid battery YTX4L-BS.It comes fully charged and ready to install.No sulfation.Requires no activation,no acid,no maintenance,and no water needed. Main Parameters: Size:4.44 x 2.7 x 3.34 in(L*W*H); Polarity:[- +]; Weight:1.32 Pounds; Voltage: 12.8 V; Capacity: 3Ah; Cold Cranking Ampere:140 A High Performance and Lightweight: Tykool Lithium Ion Powersports battery LFP4L-BS-STD provide over 120 amps of starting power,over 2500 charging Cycles. Compared to lead-acid battery, it's 2X more power,10X more starts,and 5X longer life. Built in BMS: There is built-in Battery Management System(BMS),It protects the battery from over charge and discharge,over current,short circuit. Cells balancing function makes long shelf life with the battery. 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 replaces the following battery sizes: YTX4L-BS,YTZ5S-BS,YB4L-A,YT4L-B Compatible for the following vehicles: Go kart, Motorcycles: KTM (200-520cc),Honda (70-250cc),Gas Gas (250cc,320cc,370cc),Kawasaki (110cc,125cc),Husqvana (250cc,350cc,450cc),Beta. ATVs (quads, 4 wheelers): 50cc,70cc,90cc,100cc for Aeon,Arctic cat,BRM (Can-Am),Eton,Kasea,Polaris,Qianjiang. Snapper Push Lawnmower Walk Behind Lawn Mower, Portable Generator (Kawasaki Generator XR250L TTR125 DR350 KTM XC SX) Lithium battery for YTX4L-BS,YTZ5S replacement.12.80v 3Ah.140 CCA. Fits for motorcycle, go kart,atv.