March 23, 2026
10 Best Milwaukee Compatible Batteries of 2026
Last Updated - March 23, 2026
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JUNWOOD
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2Pack 8.0Ah Replacement for Milwaukee M18 Battery and Charger 18 Volt Battery with Charger Compatible with 18V 48-11-1810 48-11-1815 48-11-1820 48-11-1850 48-11-1828 48-11-1860 Cordless Power Tools
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Why We Love It
- Battery Features Battery Voltage: 18V | Battery Capacity: 8.0Ah | Wattage: 144Wh | Battery Type: Rechargeable Lithium-ion | Made with high quality Li-ion cells. Compatible with milwaukee 18V Battery with Charger and cordless tools
- Widely CompatibleReplacement for Milwaukee m18 Battery with Charger 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, 48-59-1810, 48-59-1850, 48-11-1866,48-11-1865, 48-11-1880 and Compatible with milwaukee all 18V Battery and Charger 18V Cordless Power Tool
- Upgrade High CapacityThe High-capacity 8000mAh battery increases your power tool's runtime by 3X. and our battery power is increased by 30% compared to other lithium battery technologies. LED indicator allows you to check the state of battery and allows user to monitor battery using.Replacement for 18 volt 8.0ah Milwaukee Battery and Charger
- Safety and ReliableBe multi-certified, tested and validated by the manufacturer to match the specifications of OEM products. Built-in High-quality Cells which can protect against overcharge, over-discharge, over-current, over-voltage, and short circuit
- NOTEPlease note that the charger cannot charge both the M12 and M18 batteries simultaneously; it can only charge one battery at a time. We supports 12 months replacement time & one year warranty, we will answer your question in 24 hours. Please feel free to contact us if you have any concern about this item
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Epowon
Epowon 5.0Ah Replacement Battery for Milwaukee 18V Battery Compatible with Milwaukee M18 Battery 48-11-1850 48-11-1852 48-11-1820 48-11-1828 48-11-1830 Cordless Power Tools 2 Pack
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Main Highlights
- High Capacity & PerformanceBuilt-in high-quality cells and chips with no memory effect, Epowon replacement for milwaukee m18 battery 5.0Ah provides longer runtime to ensure your milwaukee m18 cordless power tools working more powerful and longer
- Perfect CompatibilityOur replacement for Milwaukee 18v battery is fully compatible with Milwaukee 18V Power Tools 48-11-1850, 48-11-1852, 48-11-1820, 48-11-1828, 48-11-1830, 48-11-1820, 48-11-1880, 48-11-1890, 48-11-1881, 48-11-1813, 48-11-1861, 48-11-1850R, 48-11-1835, 48-11-1865, 48-11-1812, 48-11-1840, 48-11-1837, 48-11-1860, 48-11-1862, 48-11-11852, 2646-22CT, 2643-21CT, 2641-21CT, 2646-21CT, 2646-20
- Intelligent LED IndicatorsThe LED indicator provides real-time battery power,allowing you to monitor battery usage effectively and charge in time. No more worries about forgetting to charge
- Safe & ReliableEpowon replacement for milwaukee m18 battery uses high-quality cells and chips, which is fully reliable and safe eough. 6-layer of protection include short-circuit, over-charge, over-discharge, over-current, over-heating and over-voltage protections to protect you from failure problems. A good reliable and safe companion
- After Sale Service 1 year warranty on this replacement for milwaukee 18V battery. 24-hour customer service team is available to solve any questions or problems about the battery, contact us and you will get a satisfactory solution
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Milwaukee
Milwaukee M18 48-11-1850 5.0 AH Batteries 5.0 18V 48-11-1852 (2 pack)
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Main Highlights
- Best-in-class construction: offers long-lasting performance and durability
- Voltage: 18V
- 20% more powerful and 2.5 times more operating time
- Compatible with over 60 M18 cordless tools
- You will receive the item exactly as pictured. Item does not include box.
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JUNWOOD
2Pack 3.8Ah Replacement for Milwaukee M18 Battery 18V Lithium Battery Compatible with 18 Volt 48-11-1850 48-11-1865 48-11-1852 48-11-1840 48-11-1820 48-11-1828 Cordless Power Tools
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Main Highlights
- Battery Specifications Battery Type: Lithium-ion | Capacity: 3800mAh | Voltage: 18V | Power: 68.4Wh | Built-in multi-safety protection system provides short-circuit protection and voltage regulator circuitry to extend battery life
- Battery CompatibleJUNWOOD 3.8Ah Replacement for Milwaukee 18V 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 cordless tools; Compatible with Milwaukee 18v lithium charger and cordless power tools
- Smart LED Indicator LED indicator lights show the remaining capacity of the battery status. It displays when the battery is full charge or when it need to be charged so that ensure optimum performance and extend life
- Safety & Reliable Made of premium battery cells, can be charged freely without memory effect. All of the products are CE FCC PSE ROHS certified, tested by manufacturer to match OEM products and exported all around the world
- Friendly After SaleWe supports 12 months replacement time & one year warranty, we will answer your question in 24 hours. Please feel free to contact us if you have any concern about this item
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syvenies
syvenies 2 Pack 8.0 Ah M18 Batteries for Milwaukee 48-11-1860 18v Replacement 18 Volt Max Battery Cordless Tool 2646-22CT,2643-21CT,2641-21CT,2646-21CT,2646-20 Lithium-Ion Battery Pack
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Main Highlights
- High capacity replacement battery Compatible with Milwaukee m18 battery power tools and replacement for the original Milwaukee m18 battery. This tool Battery has no memory effect, high current charge-discharge capability,great energy density and long cycle life.
- Perfectly fits all current model for Milwaukee 18V MAX tools and li-ion battery chargers such as: Battery 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, 48-11-1860, 48-11-1865, 48-11-1880 Cordless Power Tools 2646-22CT, 2643-21CT, 2641-21CT, 2646-21CT, 2646-20.
- Safe guard features against incorrect voltage,battery overload, short circuit,internal overheating. The same function and size as original m18 battery, easy to install and remove.
- 8.0Ah battery can be charged at any time for long running time. Built-in LED indicator allows you to better detect the battery status.
- 100% Support Service - We stand behind our product. Any reason you might not be 100% satisfied with m18 replacement battery, please contact us and we will reply asap!
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Mounzuikue
2Packs Upgraded 8000mAh 18V Replacement for Milwaukee M18 Battery Compatible with Milwaukee 18 volt Battery Lithium 48-11-1810 48-11-1820 48-11-1840 48-11-1850 48-11-1828 48-11-1860 Cordless Tools
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Main Highlights
- Upgraded to 8000mAhNewly Enhanced | Lithium Ion XC Extended Capacity Battery | Capacity: 8.0Ah | Voltage: 18V | Power: 144Wh | Ultra-Long Run Time | Boost Daily Work Efficiency | Replacement for Milwaukee M18 Battery
- Wide CompatibilityReplacement for Milwaukee 18V battery : 48-11-1811, 48-11-1815, 48-11-1820, 48-11-1822, 48-11-1828, 48-11-1840, 48-11-1841, 48-11-1850, 48-59-1850, 48-11-1852, 48-59-181, 48-11-1860, 48-11-1862, 48-11-1866, 48-11-1865, 48-11-1880, etc. Compatible with Milwaukee 18V power tools including models 2646-22CT, 2643-21CT, 2641-21CT, 2646-21CT, 2646-20, and others
- Premium CellsReplacement for Milwaukee 18V batteres utilizes the latest high-quality lithium-ion cells. Based on real laboratory test data, our 18V battery retains 80% of its initial capacity after 1000+ charge/discharge cycles. Professional-grade copper core technology ensures efficient and stable current transmission, delivering longer-lasting power and reducing frequent charging needs
- Reliable QualityCrafted from premium materials, it meets M18 lithium battery specification standards. Built-in multi-layer safety protection: overcharge/over-discharge/overvoltage/overcurrent/overheat protection. No memory effectretains full capacity even after repeated charge cycles. Integrated LED indicator displays real-time charging status and remaining power
- Top-Tier After-SalesEnjoy 24/7 professional customer service and a 12-month quality guarantee. Contact us anytime via Amazon email for any issues.
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rebicacate
rebicacate 2-Pack 3.0Ah Lithium Battery Replacement for Milwaukee M18 Battery 48-11-1830 48-11-1850 48-11-1852, Compatible with Milwaukee 18V Battery Cordless Power Tools and Charger
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Main Highlights
- Battery Specifications- Voltage: 18 Volt | Capacity: 3000mAh(3.0Ah) | Battery Type: Rechargeable Lithium-ion | Replacement for Milwaukee m18 3.0 Ah battery with LED indicator to monitor remaining power
- Compatible Models: Replacement for Milwaukee M18 18V Lithium Battery Model: 48-11-1850, 48-11-1860, 48-11-1830, 48-11-1862, 48-11-1852, 48-11-1850R, 48-11-1840, 48-11-1828, 48-11-1820, 48-11-1815 18V Battery; Compatible with Charger Model: 48-59-1812 48-59-1808 48-59-1810 48-59-2401 48-59-1204 Rapid Chargers
- Wide Tool Compatibility: 100% compatible with Milwaukee 18v Cordless Power Tools: 2646-22CT, 2643-21CT, 2641-21CT, 2646-21CT, 2646-20, 2848-20, 2880-20, 2953-20, 0880-20, 2967-20, 2626-20, 2719-20, 2962-20, etc
- Safe & Reliable: Replacement Battery for Milwaukee 18v Battery uses high-quality cells and chips can provide over-charge, over-discharge, over-heating, over-current protection, over-voltage protection and short-circuit protection which is fully reliable and safe enough
- Usage & Storage Note: Simply slide the m18 battery into your tool for instant use. Keep in a clean, dry, cool place (away from heat sources/metal objects); use within 14°F to 113°F (-10°C to 45°C).
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Stairlie
Stairlie 2 Pack 9.0Ah 18V Battery Compatible for Milwaukee WK1890 Mk-18 Tools, Compatible with 48-11-1840, 48-11-1828, 48-11-1820, 48-11-1815, 48-11-1850, 48-11-1890, 2646-22CT Cordless Power Tools
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Main Highlights
- MK-18 BATTERY SPECIFICATIONS: This Mk-18 battery replacement features a high-capacity 9.0Ah (9000mAh) Li-ion battery, operating at 18V with 162W of power. Weighing 920g, it includes a charge level indicator that displays battery status with the press of a button.
- COMPATIBLE MODELS: Designed for Milwaukee Mk-18 series, this 9.0Ah battery is compatible with models like 48-11-1850, 48-11-1840, 48-11-1815, 48-11-1820, 48-11-1852, 48-11-1828, 48-11-1822, and more.
- EXPANDED COMPATIBILITY: Works seamlessly with Milwaukee M18 Cordless Tools such as 2646-22CT, 2643-21CT, 2641-21CT, 2646-21CT, 2646-20, 2642-21CT, 2641-20, 2729-22, 2629-22, 2729-20, and 2729-21.
- HIGH PERFORMANCE & PROTECTION: Premium Li-ion battery cells provide fast charging and energy efficiency, with no memory effect. Built-in protection prevents over-charging, over-discharging, over-voltage, over-current, and short-circuit risks.
- CERTIFIED FOR SAFETY: Our 9000mAh 18V Mk-18 battery replacement is CE, FCC, and ROHS certified, rigorously tested to meet OEM standards. It ensures a longer service life and safer charging for global use.
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TUKOPK
TUKOPK 4-Pack Upgraded 8000mAh 18V Replacement for Milwaukee 18V Battery 48-11-1850 Lithium Compatible with M18 Batteries
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Main Highlights
- Upgraded 8.0Ah Capacity This replacement for Milwaukee 18V battery uses premium Grade A lithium-ion cells, delivering 30% longer runtime compared to 8.0Ah battery packs with standard cells. Ideal for heavy-duty work scenarios that demand high runtime performance
- Full Compatibility Design This replacement battery for Milwaukee 18V is compatible with Milwaukee tools and chargers, and suitable for leaf blowers, drills, and saws. With identical dimensions and connections to the original battery, it enables direct replacement. Refer to the product details page for compatible models
- Professional-Grade Performance Replacement for Milwaukee 18V 8.0Ah battery features high-rate discharge capability and excellent energy density. It meets the demand for reliable power in demanding tasks, with no voltage drop or performance fluctuations throughout use
- Built-in BMS Protection System This 8.0Ah replacement battery for Milwaukee 18V is equipped with a smart circuitry design, which prevents overcharging, overdischarging, short circuits, and overheating. It ensures safe and stable operation under various working conditions
- LED Power Indicator Each replacement battery for Milwaukee 18V is fitted with an LED indicator for real-time battery level monitoring: it intuitively displays remaining runtime, reduces the risk of mid-operation shutdowns, and timely reminds you to recharge
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JUNWOOD
JUNWOOD 2Pack 8.0Ah m18 Battery Replacement for Milwaukee 18V Lithium Battery 18 Volt Compatible with 48-11-1810 48-11-1820 48-11-1840 48-11-1850 48-11-1828 48-11-1860 Cordless Power Tools
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Main Highlights
- Battery SpecificationsBattery Voltage: 18V | Battery Capacity: 8000mAh | Wattage: 144Wh | Battery Type: Rechargeable Lithium-ion | Made with high quality Li-ion cells. Compatible with Milwaukee 18V 8000mah Battery and cordless power tools
- Widely CompatibleReplacement for Milwaukee m18 Battery 8ah 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, 48-11-1866,48-11-1865, 48-11-1880 and Compatible with Milwaukee all 18 volt Battery and tools 2646-22CT,2643-21CT,2641-21CT,2646-21CT,2646-20all 18V Cordless Power Tools
- Upgrade High CapacityThe High-capacity 18 volt max 8Ah battery replacement for Milwaukee increases your power tool's runtime by 3X. and our battery power is increased by 30% compared to other lithium battery technologiesLED indicator allows you to check the state of battery and allows user to monitor battery using
- Multiple ProtectionBe multi-certified, tested and validated by the manufacturer to match the specifications of OEM products. Built-in High-quality Cells which can protect against overcharge, over-discharge, over-current, over-voltage, and short circuit
- Friendly After SaleWe supports 12 months replacement time & one year warranty, we will answer your question in 24 hours. Please feel free to contact us if you have any concern about this item