Replace Milwaukee 18v Battery for M18 9.0 Ah Battery 48-11-1815 48-11-1828 48-11-1830 48-11-1890 Cordless Power Tools Replacement Milwaukee 18 volt 9.0Ah High-capacity battery Offers long-lasting performance and durability 100% compatible with your Original Electronic Device. Power up of the tools and charger for Milwaukee 18 volt. Built-in charge indicator displays remaining runtime for less downtime on the job and keeps you up on charge status. The new upgraded lithium ion battery has a difference from other the 9.0Ah battery on the market. having not only improved the capacity, but also made a lot of performance, providing up to 3X run time, 30% more power and holds a charge 3X longer than other batteries. Impact-resistant outer case and shock-absorbing inner-liner are engineered and Built-in high quality Cells to provides optimized performance and overload protection using total system communication between tool, battery and charger All of the products are CE FCC, ROHS certified, tested by manufacturer to match OEM products and exported all around the world.Longer Lasting&Battery Safety. GERIT BATT 30 days money back and 1 year manufacturer warranty guarantee and 24 hours online service Do Keep Battery Cool and Dry : Cordless tool batteries will last longer if stored in a dry, climate controlled dry area. Do Charge Battery Completely: Be sure to leave the cordless tool battery plugged in until it&#039;s completely charged. Do Use Battery Regularly: Battery life decreases with lack of use, so keep those tools in action! Do Store Battery Properly : Store your cordless tool battery in the original carrying case, or in a cushioned bag. Do Protect the Battery: Be gentle with cordless tool batteries  they won&#039;t work if damaged or cracked. Do Keep Battery Charged : Recharge cordless tool batteries as soon as  you notice a decrease in power. Most batteries last longest if recharged  when they reach 70% capacity.