Is this Mellif 20V battery compatible with DeWalt 20V MAX tools?

Yes. The Mellif 20V 4.0Ah lithium-ion battery is fully compatible with DeWalt 20V MAX tools. It delivers the same stable power output and perfect fit as the original DeWalt batteries.

How long does it take to fully charge the Mellif 20V 4.0Ah battery?

The included 4.0A fast charger can fully charge the battery in 60 minutes or less. Its smart charging technology automatically switches between trickle, fast, and maintenance modes to reduce heat and extend battery lifespan.

What makes this battery different from other DeWalt replacement batteries?

The Mellif battery offers a 10C / 40A high discharge rate, ensuring consistent and powerful output for demanding tools. It’s also cold-resistant down to -4°F (-20°C) and shockproof, ideal for use in extreme weather or rugged jobsite conditions.

Does this battery have built-in protection features?

Yes. It features an advanced Battery Management System (BMS) that safeguards against overcharging, over-discharging, overheating, and short circuits. Dual insulation and efficient heat dissipation ensure long-lasting safety and performance.

How long does the Mellif 20V 4.0Ah battery last on a single charge?

The 4.0Ah high-capacity design provides up to 30–40% longer runtime compared to standard 2.0Ah batteries. Actual performance may vary depending on the tool type and workload, but it consistently maintains strong output during heavy use.

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Mellif 20V Li-ion Battery Pack & Charger for Dewalt & Mellif Tools, 4.0Ah Battery & 4.0A Fast-Charger Combo, 10C/40Amps

Mellif 20V Li-ion Battery Pack & Charger for Dewalt & Mellif Tools, 4.0Ah Battery & 4.0A Fast-Charger Combo, 10C/40Amps

Product ID: 654875868

Details

Brand
Mellif
Colour
Grey
Item weight
1.42 Kilograms
Output voltage
20 Volts
Product dimensions
18D x 11.5W x

⚡10C/40A high discharge power

🔋4-LED fuel gauge for real-time status

⏱️4.0A fast charge in ≤60 min

Description

🔋 Power up your workflow with speed and safety—because your tools deserve the best!

BUILT TO PROTECT LAST - Dual insulation, heat dissipation, and multi-layer safety features guard against overcharge, overload, and short circuits, extending battery lifespan.
CHARGE FAST WORK FASTER - Advanced 4.0A quick charger powers your battery to full in under an hour—because downtime is not an option.
STAY INFORMED STAY AHEAD - Integrated 4-LED fuel gauge and charger indicators keep you in control with real-time charge status—never get caught off guard.
POWER THROUGH YOUR PROJECTS - High-performance 20V 4.0Ah battery delivers a robust 10C/40 Amps discharge rate for uninterrupted productivity.
SEAMLESS TOOL COMPATIBILITY - Works flawlessly with all Dewalt 20V Max and Mellif 20V tools, from drills to oscillating multi-tools—one battery to rule them all.

The Mellif 20V Li-ion Battery Pack & Charger combo offers a high-capacity 4.0Ah battery with a powerful 10C/40A discharge rate and a rapid 4.0A charger that fully charges in 60 minutes or less. Compatible with Dewalt 20V Max and Mellif 20V tools, it features advanced safety protections and an integrated fuel gauge for real-time battery monitoring, ensuring maximum productivity and extended battery life.

Specifications

ASIN	B0D8PDP3MM
Amperage	4 Amps
Battery Charge Time	60 minutes
Best Sellers Rank	783,786 in DIY & Tools ( See Top 100 in DIY & Tools ) 1,787 in Cordless Tool Chargers
Brand Name	Mellif
Colour	Grey
Compatible Devices	Dewalt 20V Max tools, Mellif 20V tools
Connector Types	20V Max (for Dewalt), Proprietary (for Mellif)
Current Rating	4 Amps
Customer Reviews	5.0 5.0 out of 5 stars (2)
Input Voltage	20 Volts
Item Dimensions D x W x H	18D x 11.5W x 14.5H centimetres
Item Weight	1.42 Kilograms
Manufacturer	Mellif
Manufacturer Part Number	DW-4AH
Model Number	MFDC204
Number of Items	1
Number of Packs	1
Output Voltage	20 Volts
Specification Met	CE

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