DCA batteries are now available, where can I purchase replacement batteries?

You can go to the battery and charger special page of DCA flagship store, we have 5000 mah batteries for you to choose from：B0DM1PM9WH

What are the advantages of DCA 03-28 heavy hammer?

DCA 03-28 hammer is constructed with an eccentric wheel for greater impact and load capacity, and are therefore more suitable for more intense work scenarios, such as: downward concrete driving, wall drilling(>Ø26mm), chiseling hardened concrete etc.

How to Remove Oil Cap and Add Grease

First remove the sticker on the oil cap (there are 4 holes here), then insert a pair of sharp-nosed pliers into two of the holes, press down and unscrew the cap by turning it counterclockwise. Finally squeeze in the included grease.

What is the weight of this cordless heavy duty hammer drill?

Bare weight: 9.35lbs(4.24kg), weight with battery and auxiliary handle: 11.22lbs(5.1kg)

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DCA 20V MAX Brushless Rotary Hammer Drill, 4.5 Joule, 3800BPM, 1-1/8 Inch SDS-Plus, Cordless Heavy Duty Rotary Hammer Drill with Vibration Control, 5.0Ah Battery, 4A Fast Charger and Safety Clutch

DCA 20V MAX Brushless Rotary Hammer Drill, 4.5 Joule, 3800BPM, 1-1/8 Inch SDS-Plus, Cordless Heavy Duty Rotary Hammer Drill with Vibration Control, 5.0Ah Battery, 4A Fast Charger and Safety Clutch

Product ID: 657759659

Details

Amperage
4 A
Brand
DCA
Maximum Rotational Speed
750 rpm
Power Source
Battery
Voltage
20 volts

⚡20V brushless motor

🔄360° adjustable handle

🔋5.0Ah long-lasting battery

Description

🔨 Drill like a pro, wherever the job takes you!

ERGONOMIC CONTROL - 360° adjustable handle plus vibration damping reduces fatigue—comfort that keeps you going longer.
UNSTOPPABLE RUNTIME - 5,000mAh lithium-ion battery powers up to 70 continuous 10mm holes—work cordless, work anywhere.
POWER MEETS PRECISION - Real brushless motor delivers 4.5J impact energy for effortless drilling through concrete and stone.
FAST INFORMED CHARGING - 4A rapid charger refuels your battery in just 1 hour with a handy power display to keep you in control.
BUILT FOR SAFETY VERSATILITY - Mechanical safety clutch prevents overload; switch between hammer drilling and chiseling modes seamlessly.

The DCA 20V MAX Brushless Rotary Hammer Drill combines a high-efficiency brushless motor with 4.5 joules of impact energy, delivering professional-grade power in a cordless design. Equipped with a 5.0Ah lithium-ion battery and 4A fast charger, it offers extended runtime and quick recharge. Its 360° adjustable handle and vibration control maximize comfort and safety, while dual modes enable versatile drilling and chiseling on tough materials like concrete and stone. Perfect for serious DIYers and pros seeking heavy-duty performance without the cord.

Specifications

ASIN	B0D8BP5591
Additional Features	Adjustable Handle, Cordless, Heavy-Duty
Amperage	4 A
Battery Capacity	5 amp_hours
Battery Type	Lithium-ion
Best Sellers Rank	#516,612 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #186 in Power Rotary Hammers
Brand Name	DCA
Customer Reviews	4.3 4.3 out of 5 stars (115)
Drill Type	Hammer Drill
Included Components	Battery Charger, Drill Attachment
Item Dimensions L x W x H	15.7"L x 3.1"W x 9.8"H
Item Type Name	Rotary Hammer Drill
Item Weight	11 pounds
Manufacturer	DCA
Material Type	Metal
Maximum Chuck Size	1.13 inches
Maximum Power	900 watts
Maximum Rotational Speed	750 rpm
Model Number	Rotary Hammer Drill
Power Source	Battery Powered
Speed	750 rpm
Unit Count	1 Count
Voltage	20 volts

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