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Milwaukee Tool 48-11-1850: battery facts and compatibility

By 김민성 · ToolBattery editorial

Source review: 2026-10-30 · US English

48-11-1850 is a documented battery in the M18 system. This page identifies its sourced specifications, exact-model restrictions and the next check before use.

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Independent reference. ToolBattery is not a manufacturer or authorized service center. Model revision, region, condition and the latest manual may change the answer. Do not use an unapproved adapter or modified battery.
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Verified model facts

FieldManufacturer-sourced value
ManufacturerMilwaukee Tool
Exact model48-11-1850
Product typebattery
SystemM18
MarketUS
Voltage label18V
Capacity5Ah
Chemistrylithium-ion
TechnologyREDLITHIUM
  • The manufacturer lists 5Ah capacity for this exact pack.
  • The 48-11-1850 is an M18 5.0Ah battery, not an M12 pack.
  • Milwaukee's M18 system page states M18 batteries work with M18 tools and chargers.
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What compatibility data says

  • battery to tool — 2953-20: compatible. The tool is an M18 model that Milwaukee says works with all M18 batteries.
  • charger to battery — 48-59-1812: conditional. Milwaukee lists 48-59-1812 as an M18/M12 charger and 48-11-1850 as an M18 pack.
48-11-1850 ↔ 2953-20The tool is an M18 model that Milwaukee says works with all M18 batteries.48-11-1850 ↔ 48-59-1812Milwaukee lists 48-59-1812 as an M18/M12 charger and 48-11-1850 as an M18 pack.

Exceptions, source limits and safety

  • Check a tool's model and battery latch; platform names are more useful than voltage alone.

A missing rating is not zero or universal support. Charger AC input and pack-to-tool use are separate checks.

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Official sources

These source records were reviewed as of 2026-10-30; access methods differ. Open the latest manufacturer manual for your exact type, region and revision before use.

  1. Milwaukee Tool — M18™ REDLITHIUM™ XC5.0 Extended Capacity Battery Pack | Milwaukee ToolOfficial source identifies model 48-11-1850 and its product/platform description. · full_page · Checked 2026-10-30
  2. Milwaukee Tool — Milwaukee registration and warranty battery tableLists legacy and current lithium-ion battery model identities. Warranty listing does not prove that an older model remains on sale. · full_page · Checked 2026-10-30
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