Two Pack Combo OverviewThe M18 REDLITHIUM XC3.0 Battery delivers up to 2X more runtime, 20% more power and 2X more recharges than standard lithium-ion batteries. The lithium-ion battery pack features superior pack construction, electronics, and performance providing users more work per charge and more work over pack life than any battery on the market. The rechargeable battery also delivers users with 3.0 amp-hours of runtime. The pack is durably built for heavy-duty use, runs cooler, and performs in climates below 0°F/-18°C. Built-in REDLINK Intelligence protects the battery from overloads, preventing users from damaging their cordless power tools in heavy-duty situations, while the discharge protection prevents cell damage. An integrated temperature management system and individual cell monitoring help to maximize battery life. Switch to REDLITHIUM XC3.0 Battery Pack to instantly upgrade the runtime and durability of M18 cordless tools.3.0 Amp hour – 54 Watt hour batteryLITHIUM-ION battery delivers long life and run time with fade-free powerBattery fuel gauge Overload Protection – Prevents user from damaging their cordless power tool investment in heavy duty situationsTemperature Management System – Keeps battery in ideal temperature range to provide maximum lifeIndividual Cell Monitoring – Ensures optimal charge and discharge for maximum lifeDischarge Protection – Prevents cell damage from over-dischargeBest in class constructionIntegrated weld frameCell separatorImpact and vibration protective rubberVersatility: Powers more than 175 M18 cordless power toolsReplacement Part Numbers: For Milwaukee 48-11-1811, 48-11-1815, 48-11-1820, 48-11-1822, 48-11-1828 , 48-11-1840, 48-11-1841, 48-11-1850, 48-11-1852, 48-59-181, 48-59-1850 Compatible With:(use”Ctrl+F” to find your own PN & Model) For MILWAUKEE M18 Cordless LITHIUM-ION System Tools For -2601-21, 2602-22DC, 2603-20, 2603-22, 2603-22CT, 2604-20, 2604-22 For -2604-22CT, 2606-20, 2606-22CT, 2607-20, 2607-22, 2607-22CT, 2615-20 For -2615-21, 2615-21CT, 2629-20, 2629-22, 2641-20, 2641-21CT, 2642-21CT For -2643-21CT, 2646-20, 2646-21CT, 2646-22CT, 2656-22CT, 2701-20, 2701-22CT For -2702-20, 2702-22CT, 2704-20, 2704-22, 2705-20, 2705-22, 2706-20, 2706-22 For -2707-20, 2707-22, 2708-20, 2708-22, 2729-20, 2729-21, 2729-22, 2787-22, 2788-22 Package included: 2X 18V 3.0Ah Battery for Milwaukee M18 48-11-1850 Cordless Power Tools 2X User Manual NOTE: 1. The battery must be FULLY charged before first use. 2. The battery is stored in a cool and dry place. 3. Do not Separation, extrusion, and impact. 4. Do not put battery into water and fire. 5. Keep away from children.Payment1 We accept any credit cards 2 Payment should be completed immediately upon purchaseShippingShipping by USPS Package handling takes 1 business day at our warehouse, so please make sure enter correct payment and shipping information before checking out. Once your payment is completed, inform us by message if the changes are needed before we ship the product.If an address change is needed, you will be responsible for any fees associated in the condition that you contact us after we ship your item. 3. Orders placed on weekend will be shipped within 1 business days.USPS: 2-9 business days.Terms of salesAll of our items come with a 30-day return policy. We ensure all our items are new and in excellent condition prior to shipping. In the event that you receive the item that is not to the standards above, please contact us via e-Bay messages. All returns must be in new original condition as received and should be shipped with same return packaging and delivery confirmationPlease note that all returns must be pre-approved by laseller store, Unauthorized returns will not be accepted. If you need to return, please check twice to confirm the item not work and contact our customer service representative, let us know the detailed problem and send us some pictures for confirmation.Feedback1. If you are satisfied with the product you received, please leave us positive feedback and 5 star comment, which will be highly appreciated.2. If there is any problem about your order, please contact seller prior to leaving feedback, and we will be glad to work with you to have it resolved.3.If you are dissatisfied for any reason, please do not be quick to leave negative or neutral feedback. We’ll try our best to resolve any problem for you to make EACH CUSTOMER 100% SATISFIED and always leave positive feedback to all our customers.Contact usYou can contact us directly by clicking on “Ask a Question” at bottom of this item page,we will answer within 24 hours(except Holiday).