The ATLAS 40V and 80V dual-voltage lithium-ion battery performs better than gas, with no dangerous fumes, no gas and oil mixing, and no engine maintenance. This 40V, 8 Ah and 80V, 4 Ah battery delivers up to 60% more power* and longer runtime than other batteries, and it works with all ATLAS tools. Extreme Performance technology with 21700 battery cells ensures that this battery is optimized for high-demand tools. Designed for rapid charging, this battery has a built-in fuel gauge that displays remaining power.

• Get 60% more power* for ATLAS 40V and 80V tools
• Designed for high-demand tools to provide maximum power and runtime
• Industry-leading quality lithium-ion battery cells are individually balanced and tested to meet the highest performance requirements
• Thermal control extends life and runtime by minimizing heat
• Impact resistance prevents failure from drops and vibration
• Innovative temperature and overload protection optimizes the battery and tool during heavy use
• Works with all ATLAS® 40V and 80V cordless tools