Need a new battery for your VexilarA(R) flasher? Give this direct OEM replacement a try. It weighs half as much as your original Vexilar SLA battery yet delivers twice the runtime. Direct drop-in replacement for VexilarA(R) flashers Delivers 2x the number of re-charging cycles over other sealed SLA batteries Half the weight of the original Vexilar SLA battery with twice the runtime LiFeP04 technology