Bosch Batteries

Bosch Batteries: Engineered Power for the Modern Vehicle

When it comes to reliable starting power and long-term electrical performance, Bosch stands in a class of its own. As one of the world's foremost automotive technology companies — and an OEM supplier to virtually every major vehicle manufacturer — Bosch brings that same engineering precision to its lineup of automotive batteries. Whether you drive a fuel-efficient compact, a luxury sedan loaded with electronics, or a truck that demands serious reserve capacity, there's a Bosch battery engineered specifically for your application.

A Tiered Lineup Built Around Real-World Demands

Bosch structures its battery lineup to match the actual power requirements of today's vehicles. The passenger car battery range includes the S5 premium performance battery, the S4 quality performance battery, the S3 value performance battery, and the S6 high performance AGM battery. This tiered approach means drivers aren't paying for more battery than they need — or risking undersized power for high-demand applications.

• Bosch S6 High Performance AGM: The S6 uses cutting-edge technology that provides constant optimum power even for short trips and stop-and-go traffic, up to 2x longer lifetime, and a 4-year free replacement warranty. It is the only choice for start-stop vehicles and is made with full frame grid technology, acid-absorbing microfiber glass mats, and extra robust connections inside to extend lifetime and maximize reliability.
• Bosch S5 Premium Performance: The S5 is the powerhouse for recent car models with high electronic demand, providing optimum starting power and long service life in accordance with OEM requirements, backed by a 3-year free replacement warranty. It uses full frame grid technology, highly protective pocket separators, and robust connections to extend lifetime and maximize reliability.
• Bosch S4 Quality Performance: The S4 ensures a powerful start for all types of vehicles and offers long service life, flushed tops for minimized risk of acid leakage, dependable power in accordance with OEM requirements, free roadside assistance, and a 2-year free replacement warranty.

Built for Start-Stop and High-Demand Electronics

Modern vehicles place unprecedented strain on their batteries. Features like automatic start-stop systems, regenerative braking, heated seats, advanced driver-assistance systems, and infotainment all draw continuous power. Bosch S6 AGM batteries provide excellent charge acceptance and peak power for vehicles with start-stop systems, regenerative braking, and the highest electronic demand, satisfying the highest starting and power supply standards — even in extreme hot and cold climates.

Bosch's battery program meets the growing electrical power needs of popular domestic and import passenger cars, light trucks, and SUVs, with 95 percent coverage of vehicles on the road in North America. That kind of breadth is rare, and it reflects Bosch's deep roots as an OE supplier — these batteries are designed to fit and perform like factory originals.

Beyond the Passenger Car

Bosch's battery expertise doesn't stop at everyday commuter vehicles. Bosch Premium Lithium Dual Purpose and Deep Cycle Batteries for marine and RV applications are designed using Lithium Iron Phosphate (LiFePO4) — a rechargeable battery technology offering a safer, longer-lasting, lightweight alternative to conventional lead-acid batteries. For powersport riders, the ultra-light Bosch Lithium PowerSport Battery delivers full performance and increased dynamics, featuring 60% less weight and up to 10x the deep-cycle resistance of comparable lead-acid batteries.

Confidence Built In

Every Bosch battery tier includes free roadside assistance, and the flagship S6 AGM line backs its performance with a 4-year free replacement warranty — among the strongest coverage in the category. Featuring traditional Bosch high quality and performance, the 100 percent maintenance-free batteries are designed to handle the increasing power requirements of today's and future vehicles. That forward-looking design philosophy is what sets Bosch apart: these aren't just replacements for what came out of the factory — they're upgrades built to last.