Bosch GBA18V120 12Ah CORE18V High Power Battery | CoolPack 2.0 & PROFACTOR Compatibility

Powerful, flexible energy for demanding tools

The Bosch GBA18V120 12Ah High Power Battery is designed to keep pace with demanding jobs while staying surprisingly light and balanced in hand. It delivers equal power and, compared to the CORE18V 8Ah model, offers at least 50% more runtime. This combination makes it a strong companion for high-demand applications where durability and steady performance matter.

Design, cooling and efficiency

Three layers of enhanced 21700 cells work together to improve efficiency and energy delivery. Bosch-exclusive CoolPack 2.0 technology cools the pack faster, which can contribute to a longer usable life in challenging conditions. A copper end plate, robust power rails and a flexible circuit board help reduce internal resistance, helping energy flow more smoothly to connected tools.

• Three-layer 21700 cell stack for improved efficiency
• CoolPack 2.0 cooling for better thermal management
• Copper end plates and power rails reduce resistance
• High-resolution charge-status indicator for clear, quick checks

Weight, handling and visibility

Weighing just 3.04 lb, this battery balances power with nimble handling, letting users maneuver in tight spaces without fatigue. The high-resolution status indicator makes it easy to monitor charge while you work.

• Lightweight at 3.04 lb for easy handling
• High-resolution charge-status indicator

Compatibility and ecosystem

Engineered for Bosch PROFACTOR tools with BITURBO Brushless Technology, the GBA18V120 delivers power comparable to large corded options. It also works with Bosch 18V chargers and the AMPShare System, offering flexible cross-brand charging within a compatible ecosystem. Note that this battery is not designed for non-PROFACTOR tools.

• Exclusive PROFACTOR compatibility with BITURBO Brushless tools
• Compatible with Bosch 18V chargers and the AMPShare System
• Cross-brand AMPShare flexibility within a compatible lineup
• Not compatible with non-PROFACTOR tools

In practical terms, this battery aims to give you dependable energy support across the tools you already rely on, helping you work longer between charges without changing your workflow.