The RYOBI 40V 4.0 Ah Battery is the perfect addition to your RYOBI 40V collection. This 4.0 Ah battery gets 2X more runtime than the RYOBI 40V 2.0 Ah Compact Battery while delivering the same fade-free power and performance. All RYOBI 40 Volt batteries come with an on-board fuel gauge to display remaining runtime. This battery works with all RYOBI 40-Volt tools and chargers. Backed by a 3-year warranty, there's never been a better time to consider cordless.

• Works with all RYOBI 40-Volt lithium-ion tools and chargers
• 2X more runtime than the RYOBI 40V 2.0 Ah Compact Battery
• Fade-free lithium-ion power
• On-board fuel gauge displays remaining runtime
• Charges in 40 minutes or less with the RYOBI 40V Rapid Charger (Model # OP406A, Internet SKU 312564301)
• Charger Sold Separately
• 3-Year Limited Warranty
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• California residents