Bosch's heavy-duty batteries are developed to withstand the extreme conditions of heavy-duty vehicles, including extended idling and severe temperatures. The T6 battery with Absorbent Glass Mat (AGM) technology,T5 dual-purpose battery, and T4 battery provide coverage for over-the-road and local delivery trucks, fire-fighting vehicles, coaches and buses, and municipal vehicles.

AGM technology incorporates special microfiber glass mats that absorb battery acid to protect the battery plates. The Bosch T6 offers a very long service life, better vibration resistance, superior performance under extreme climates, excellent charge acceptance, and maintenance-free operation, according to the company. It also comes with a two-year free replacement warranty.

The Bosch T5 and T4 batteries feature faster recharging capabilities compared to conventional batteries, flushed tops for minimized risk of acid leakage, maintenance-free operation, and an 18-month free replacement warranty. The T5 battery also offers dual-purpose functionality that provides reliable power supply for electronic demand, even with the engine shut off.