Gba18v40 18v Lithium-ion Battery Pack, 4 Ah

The Bosch GBA18V40 is an 18V lithium-ion battery pack designed to power Bosch 18V cordless tools on the job site. This battery uses advanced 21,700 cell technology and Bosch's exclusive CoolPack 2.0 thermal management system to deliver high power density in a compact form factor.

The GBA18V40 works with all Bosch 18V tools and chargers, so if you already own Bosch cordless equipment, this battery integrates seamlessly into your collection. The built-in fuel gauge lets you check remaining runtime at a glance, and the battery is engineered to improve the performance-to-weight ratio of tools used on the jobsite.

Features and Benefits

• CoolPack 2.0 Technology: Manages heat in high-power-density cells and cools 20% faster than previous-generation 4.0 Ah batteries, providing better cooling performance.
• Advanced Cell Technology: Features 21,700 cell technology that matches the power of original two-layer 4.0 Ah batteries with improved performance per cell.
• Built-in Fuel Gauge: Quickly assess remaining runtime without guessing, so you know when to swap in a fresh battery.
• Universal Compatibility: Works with all Bosch 18V tools and chargers, both older and newer models.
• Fast Charging: Charges in 0.9 hours with a compatible fast charger, minimizing downtime on the job.
• Durable Construction: Copper end plates and power rails reduce resistance and improve efficiency.

Specifications

• Brand: Bosch
• Model: GBA18V40
• Voltage: 18V
• Capacity: 4 Ah
• Chemistry: Lithium-Ion
• Charging Time: 0.9 hr (with compatible fast charger)
• Compatible with all Bosch 18V tools and chargers