Charger SOLD SEPARATELY Works with all RYOBI 40-Volt tools, sold separately Fade-free lithium-ion power On-board fuel gauge displays remaining runtime This item is removed from retail packaging for shipping purposes (Bulk Packaged, No Retail Packaging) and will arrive in a generic shipping box or bag This item is removed from retail packaging for shipping purposes (Bulk Packaged, No Retail Packaging) and will arrive in a generic shipping box or bag. Charger Sold Separately. 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. All tools and chargers are sold separately.