Bären TR Series (Polar Technik AFB) batteries are engineered for micro-hybrid and start-stop vehicles, delivering strong EN cranking power, fast charge acceptance, and dependable cycling performance. Built with maintenance-free Ca/Ca plates, SPC safety cover with integrated flame arrestor, and central degassing, they ensure reliable starts, low water consumption, and long life in European L-series sizes with B13 hold-down. Ideal for daily drivers needing OE-level quality, durability, and stable power for high onboard electrics.