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 4.0 Battery & Fast Charger Kit, Compatible with DeWalt Power Tools, 10C / 40Amps, Replacement Li-Ion Battery with Smart Charging, Extreme Weather & Shock Resistant (Black)

Mellif 20V 4.0 Battery & Fast Charger Kit, Compatible with DeWalt Power Tools, 10C / 40Amps, Replacement Li-Ion Battery with Smart Charging, Extreme Weather & Shock Resistant (Black)

Product ID: 651749479

Details

Brand
Mellif
Color
Black
Item Weight
1.42 Kilograms
Output Voltage
20 Volts
Product Dimensions
1.9"D x 3.1"W

⚡10C/40A high discharge rate

⏱️Fast 60-min full charge

❄️Cold-resistant to -4°F/-20°C

Description

⚡ Power up fast, work hard, and never miss a beat!

ZERO DOWNTIME CHARGING - 4.0A fast charger powers up your battery in 60 minutes or less—get back to work faster.
SMART TECH FOR LONG LIFE - Intelligent charging cycles protect battery health and extend lifespan with advanced BMS safeguards.
POWER THROUGH YOUR PROJECTS - 10C/40A high discharge rate delivers consistent, peak power for demanding tools.
BUILT FOR THE HARSHEST CONDITIONS - Shockproof and cold-resistant down to -4°F (-20°C) for unstoppable jobsite performance.
SEAMLESS COMPATIBILITY CONFIDENCE - Perfect fit for DeWalt 20V MAX tools, backed by dual insulation and a 5-year warranty.

The Mellif 20V 4.0Ah Battery & Fast Charger Kit offers a high-performance 10C/40A discharge rate with no memory effect, ensuring reliable power for DeWalt 20V MAX tools. Engineered for extreme weather and shock resistance, it charges fully in 60 minutes via a smart 4.0A charger that optimizes battery health. Featuring advanced protection systems and a 5-year warranty, this kit guarantees durability and peace of mind for professionals demanding peak performance on every job.

Specifications

ASIN	B0D8PDP3MM
Amperage	4 Amps
Battery Charge Time	60 minutes
Best Sellers Rank	#400,368 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #3,678 in Cordless Tool Battery Packs
Brand	Mellif
Color	Black
Compatible Devices	DeWalt 20V MAX tools
Connector Type Used on Cable	DeWalt 20V MAX connector
Current Rating	4 Amps
Customer Reviews	4.5 4.5 out of 5 stars (205)
Input Voltage	110 Volts
Item Dimensions D x W x H	1.9"D x 3.1"W x 4.7"H
Item Weight	1.42 Kilograms
Manufacturer	Mellif
Mfr Part Number	DW-4AH
Model Number	MFDC204
Output Voltage	20 Volts
Unit Count	1.0 Count
Warranty Description	5 Year Warranty

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