Milwaukee M18 18V 4Ah Replacement Battery

Milwaukee M18 18V 4Ah Replacement Battery
Milwaukee M18 18V 4Ah Replacement Battery
Milwaukee M18 18V 4Ah Replacement Battery
Milwaukee M18 18V 4Ah Replacement Battery

Milwaukee M18 18V 4Ah Replacement Battery

Milwaukee M18 18V 4Ah Replacement Battery

Power your tools with confidence using the Milwaukee M18 18V 4Ah Replacement Battery. Built to deliver consistent performance and extended runtime, it’s the perfect companion for your Milwaukee 18V cordless range—whether you’re on a busy jobsite or tackling projects at home.

Assembled in Australia by Marsen Energy and powered by advanced Molicel P42A lithium-ion cells, this battery is engineered for efficient energy output and smooth, reliable operation—even under demanding conditions.

Stay protected while you work. An intelligent safety system helps guard against overheating, overcharging, and short circuits, giving you peace of mind with every use.

Ideal for both professionals and DIY enthusiasts who need dependable, everyday power.

Aftermarket replacement battery. Please confirm compatibility with your tool and charger before purchasing.

$140.00

In stock

In stock

Specifications

Milwaukee M18 18V 4Ah Replacement Battery

  • Battery Platform: Milwaukee M18

  • Battery Type: Lithium-Ion

  • Cell: Molicel 21700

  • Voltage: 18V

  • Capacity: 4.0Ah

  • Energy: 72Wh

  • Compatibility: Milwaukee M18 cordless tools

  • Protection: Overcharge, over-discharge

  • Rechargeable: Yes

  • Condition: Brand new replacement battery

Applications

Milwaukee M18 18V 4Ah Replacement Battery

  • Drilling and fastening

  • Impact tools

  • Circular saws

  • Workshop and jobsite use

  • Construction and maintenance work

Important Information

Please read and follow these safety guidelines before purchase or use:

General Lithium-Ion Battery Safety

  • Only purchase if you understand Li-ion battery safety and proper handling procedures.

  • Always use a compatible Li-ion smart charger. Never leave batteries charging unattended.

  • Store batteries in a protective case — never carry them loose in your pocket, bag, or toolkit.

  • Avoid contact with metal objects such as keys, coins, or tools to prevent accidental short-circuiting.

  • Use within manufacturer-rated specifications. Do not exceed voltage, current, or temperature limits.

  • In series or parallel packs: ensure proper cell balancing and use a quality Battery Management System (BMS)

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