About product : Replace Milwaukee 18V redlithium battery Voltage: 18v Capacity: 5000mAh Battery type: Li-ion Watt: 90 Watts Replacement For : 48-11-1815 / 48-11-1820 / 48-11-1822 / 48-11-1828 / 48-11-1840 / 48-11-1841 / 48-11-1850 / 48-11-1852 / 48-11-1860 / 48-11-1890 Compatible Milwaukee 18V cordless power tools: 2646-22CT, 2643-21CT, 2641-21CT, 2646-21CT 2646-20, 2642-21CT, 2641-20, 2729-22, 2629-22, 2729-20 2729-21,2629-20, 2706-22, 2705-20, 2705-22, 2704-20, 2787-22 2702-20, 2701-20, 2656-22CT, 2707-22, 2708-22, 2607-22 2603-22CT, 2601-21, 2615-20, 2602-22DC, 2606-20, 2604-22CT 2706-20, 2704-22, 2788-22, 2702-22CT, 2701-22CT 2707-20, 2708-20, 2607-22CT, 2607-20, 2603-20, 2603-22 2615-21CT, 2615-21, 2606-22CT, 2604-22,2604-20 We are looking forward to your support and your positive affirmation. Storage method: New replacement battery come with some power, please first discharge and then fully charge. Keep the battery healthy by cleaning dirty with a cotton swab and alcohol. If you don't plan on using the battery for a month or more, store it in a clean, dry, cool place and keep battery away from heat and metal objects. Do not charge immediately when the battery power run out and let the battery cool. What's in the Box: 2 *Jialitt Replacement Battery for Milwaukee 18v cordless tool 1*User Manual