Red Lithium-Ion Battery, Milwaukee M18, 1 Point 5 Ah, 48 Point 11. Genuine Milwaukee M18 Battery in Frustration free BULK packaging to save you money. (NON RETAIL PACKAGING) Compatible With All M18 Power Tools Fuel gauge onboard: Displays remaining runtime. Fully compatible with the M18 system, featuring over 200+ tools. 1.5 Ah of run time Lithium-ion battery for longevity and fade-free power. Equivalent run time with 40% less weight than an 18-Volt NiCd battery. Onboard fuel gauge that shows the remaining run time, enabling you to adequately prepare for projects and have less downtime on the job. REDLINK intelligence overload protection that prevents you from accidentally damaging your tools during heavy duty applications. Temperature management system to keep the battery in an ideal range, helping extend its life Individual cell monitoring that ensures optimal charge and discharge. Compact, lightweight design that fits into tight workspaces and reduces user fatigue. All-weather performance that gives fade-free power in extreme job site conditions. Charger sold separately Compatible with all M18 chargers. Up to 40% more run-time. Redlink intelligence: provides optimized performance and overload protection using total system communication between tool, battery and charger. All-weather performance: delivers fade-free power in extreme jobsite conditions Product Features Genuine Milwaukee M18 Battery in Frustration free BULK packaging to save you money. (NON RETAIL PACKAGING) Compatible With All M18 Power Tools Fuel gauge onboard: Displays remaining runtime. Fully compatible with the M18 system, featuring over 200+ tools. 1.5 Ah of run time Lithium-ion battery for longevity and fade-free power. Equivalent run time with 40% less weight than an 18-Volt NiCd battery. REDLINK intelligence overload protection that prevents you from accidentally damaging your tools during heavy duty applications. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!