Makita Battery and Charger - 40V Max 4Ah Li-ion XGT Battery + 40V Twin Fast Charger

The Makita XGT 40Vmax Li-ion Battery has been built to withstand harsh environmental conditions. I...

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B&QB&Q - Bl4040 40V Max 4Ah Li-Ion Xgt Battery + Dc40Rb 40V Twin Fast Charger
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Product Information

Full details

This Makita XGT 40Vmax 4.0Ah Li-ion battery and twin fast charger kit is designed for professional users demanding durability and high performance in harsh environments. Its key benefit is delivering increased power and improved battery life through advanced cell technology and smart communication with tools and chargers. A potential caveat is that its high-output nature might be overkill for very light-duty tasks.

All features

Model Part NumberBL4040F+DC40RB
BrandMakita

Extended Product Information

FAQs

What is the main advantage of the BL4040F battery over standard Makita batteries?

The BL4040F offers a 35% increase in power output compared to the standard BL4040 4.0Ah battery, due to its tabless cell technology and enhanced cooling system, providing more performance for demanding applications.

How does the WetGuard/IPX4 rating benefit me?

The WetGuard/IPX4 rating provides a three-layer moisture protection system that shields the battery cells from water ingress, making it more durable and reliable when working in wet or dusty conditions.

How do I know when the battery is fully charged?

The LED indicators on the Makita DC40RB Twin Fast Charger will show the charging status. Typically, the lights will indicate when charging is complete, though the exact behavior may vary slightly by charger model.

Can I use this battery with older Makita 18V LXT tools?

No, this 40Vmax XGT battery is exclusively designed for and compatible with Makita's 40Vmax XGT system tools and chargers. It will not fit or power 18V LXT tools.

How does the digital communication feature work?

Digital communication allows the battery, tool, and charger to exchange information. This enables the charger to optimize its charging strategy and the tool to adjust its performance based on the battery's status, maximizing efficiency and battery life.

What is 'tabless cell technology'?

Tabless cell technology is an innovative battery design that removes traditional connection tabs. This reduces internal resistance, allowing for more efficient power transfer, less heat generation, and improved battery autonomy and peak power delivery.

What is the warranty period for this battery and charger?

Warranty information can vary by region and retailer. Please refer to the product packaging or the official Makita warranty documentation for specific details regarding the warranty period for the battery and charger.

Troubleshooting

Battery not charging

Ensure the battery terminals and charger contacts are clean. Check that the battery is correctly seated in the charger. Verify the charger is plugged into a working power outlet. Try a different battery if available to test the charger.

Battery not powering the tool

Confirm the battery is charged by checking the LED indicator. Ensure the battery is fully inserted and locked into the tool. Check tool for any obstructions or damage. Try a different battery if available to test the tool.

Reduced runtime or power

Check the battery's charge level. Ensure the tool is not being overloaded. Clean any dust or debris from the tool's vents and battery contacts. The battery may be nearing the end of its lifespan after many charge cycles.

Battery indicator lights flashing unexpectedly

This may indicate an error. Consult the specific tool or charger manual for error code interpretations. Ensure the battery and tool/charger are within operating temperature ranges.

Pros and Cons

Pros

  • Delivers significantly higher power output for demanding tools.
  • Enhanced durability due to robust construction, cooling system, and impact resistance.
  • Improved battery life and autonomy thanks to efficient tabless cell technology and optimal charging.
  • Reliable performance in challenging environmental conditions with water resistance.
  • Clear battery level indication for efficient work planning.

Cons

  • May be more power than needed for very light-duty applications.
  • Higher upfront cost compared to standard capacity batteries.
  • Requires compatible Makita XGT 40Vmax tools and chargers.
  • Weight might be a consideration for extended use on very compact tools, though designed for balance.

Setup, Compatibility & Care

Setup: To set up, simply slide the fully charged Makita XGT 40Vmax battery firmly onto the compatible Makita XGT 40Vmax tool until it clicks into place. To charge, connect the battery to the Makita DC40RB Twin Fast Charger, ensuring a secure connection. The charger will indicate the charging status via its LED lights.

Compatibility: This battery is exclusively compatible with the Makita XGT 40Vmax system of tools and chargers. Ensure your tool and charger are part of the XGT 40Vmax range.

Care:

  • Store batteries in a cool, dry place away from direct sunlight and extreme temperatures.
  • Avoid dropping or subjecting the battery to severe impact.
  • Keep the battery terminals clean. Use a dry cloth to wipe them if necessary.
  • Do not attempt to disassemble the battery or charger.
  • Protect from excessive moisture, especially given the WetGuard/IPX4 rating; while resistant, it is not fully waterproof.
  • Ensure the battery is disconnected from the charger once fully charged.

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