Bosch Enhanced Flooded Batteries (EFB) are engineered to deliver higher performance and reliability than standard flooded batteries. Designed to support Start-Stop engine systems, EFB batteries are built to handle the increased electrical demands and frequent engine restarts of modern vehicles.

Even in non Start-Stop vehicles, a Bosch EFB can be fitted to enhance starting performance and support the growing number of onboard electrical systems.

Built for Start-Stop Performance
Bosch EFB batteries offer increased cyclic stability and faster recovery from deep discharges. In Start-Stop applications, the battery maintains power to electrical systems when the engine shuts off and is capable of restarting the engine in a fraction of a second.

Key Features & Benefits

High Performance & Reliability – Designed to perform consistently, even under extreme operating conditions

Extended Service Life – High-density active material with optimised particle size supports longer battery life

Improved Corrosion Resistance – Optimised negative grid alloy helps reduce corrosion during high-depth discharge cycling

Longer Cycle Life – Significantly extended cycle life compared to conventional flooded batteries

Enhanced Deep Cycling Capability – Enables reliable cranking at lower states of charge

Higher Charge Acceptance – Faster and more efficient recharging, even with limited charging opportunities

High Thermal Stability – Suitable for engine compartments and hot climate conditions