BOSCH GBA 18V 4.0Ah Professional Battery Pack, XL Capacity with COOLPACK Technology, Up to 65% Longer Runtime & 100% Longer Life, Compatible with All 18V Tools, 1-Year Warranty

High-Endurance Performance – The BOSCH GBA 18V 4.0Ah battery delivers extended runtime and exceptional durability, making it ideal for high-demand applications and long working hours. COOLPACK Technology – Features BOSCH COOLPACK technology that reduces heat build-up and enhances cell life, providing up to 100% longer battery lifespan compared to non-COOLPACK versions. Professional 18V System Compatibility – Fully compatible with all BOSCH Professional 18V tools and chargers, offering a flexible power solution across your entire BOSCH tool range. Extended Runtime Advantage – This BOSCH tool enjoys up to 65% longer runtime compared to the 3.0Ah battery, making it perfect for intensive jobs without frequent recharging interruptions.