QTY 2 VMAXMB64 AGM Deep Cycle Battery Replacement for Invacare L-4 Lynx 4 Portable 4-Wheel Scooter 12V 15Ah Battery 1-L=5.94" W=3.86" H=3.74". F2 Terminals. Float Service Life span of 5 to 8 years. 2-Superior custom built Military Grade Alloys. Maintenance free. No dangerous toxic gas release. 3-Sealed Non Spill able Non Hazardous Construction. Approved for air, ground and maritime transportation. 4-Warranty applies only if sold by an Authorized Seller. Amazon Authorized seller: bargainshore. 5-goto http://www.amazon.com/shops/bargainshore for VMAXTANKS categorized offers, selection and more savings on package deals for two or more batteries.