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FLEX cordless battery platforms and models

By 김민성 · ToolBattery editorial

Source review: 2026-10-30 · US English

FLEX has 16 full-document model entries in this selected US catalog. Use the system and exact model to check scope and exceptions.

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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Battery systems

FLEX legacy 18V polishersFLEX legacy 18V polishers is a documented battery-system identity. Check individual model, revision and manufacturer exceptions before use.FLEX 24VFLEX 24V is a documented battery-system identity. Check individual model, revision and manufacturer exceptions before use.
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Documented model examples

FLEX FX0111-124V 2.5Ah LITHIUM-ION BATTERY · Model detail with primary sourceFLEX FX0121-124V 5.0Ah LITHIUM-ION BATTERY · Model detail with primary sourceFLEX FX0221-124V 8.0Ah LITHIUM-ION BATTERY · Model detail with primary sourceFLEX FX0231-124V 12.0Ah LITHIUM-ION BATTERY · Model detail with primary sourceFLEX FX0311-124V 2.0Ah STACKED LITHIUM BATTERY · Model detail with primary sourceFLEX FX0321-124V 3.5Ah STACKED LITHIUM BATTERY · Model detail with primary sourceFLEX FX0331-124V 6.0Ah STACKED LITHIUM BATTERY · Model detail with primary sourceFLEX FX0341-124V 10.0Ah STACKED LITHIUM BATTERY · Model detail with primary sourceFLEX FX0411-Z24V 160W FAST CHARGER · Model detail with primary sourceFLEX FX0421-Z24V 280W RAPID CHARGER · Model detail with primary sourceFLEX FX0431-Z24V 550W SUPER CHARGER · Model detail with primary sourceFLEX FX0451-Z1120W 4-PORT SIMULTANEOUS RAPID CHARGER · Model detail with primary source

Browse all 16 documented models

US coverage and limits

  • US 24V lineup; legacy FLEX 18V polishers are a separate interface.

A platform label alone cannot approve a specific battery, charger or tool. Read the source and model-level restrictions before use.

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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. FLEX — 18V to 24V Adapter | FLEX (FX0512-Z)FX0512-Z accepts FLEX 24V batteries and powers FLEX 18V polishers only. It is not compatible with other FLEX 18V tools. Input 24VDC; output 18VDC. FX0512-Z — adapter; identity and platform scope recorded · full_page · Checked 2026-10-30
  2. FLEX — Manuals & Parts Diagrams| FLEXOfficial support catalog lists exact battery, charger and bare-tool model numbers. FX1551A-Z — tool; identity and platform scope recorded FX1611-Z — tool; identity and platform scope recorded FX3181A-Z — tool; identity and platform scope recorded FX5131-Z — tool; identity and platform scope recorded FX2221-Z — tool; identity and platform · full_page · Checked 2026-10-30
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