DEWALT 20V MAX Cordless Grease Gun with 20V MAX XR 5.0Ah Battery Pack

In this review the DEWALT 20V MAX Cordless Grease Gun bundle is evaluated for professionals and serious DIYers who need fast, reliable lubrication for heavy equipment. The bottom line: this kit stands out because the grease gun delivers up to 10,000 PSI and a high-flow pump while the included 20V MAX XR 5.0-Ah batteries provide extended runtime, making it ideal for daily maintenance where speed and battery life matter most.

Key Features

• High pressure: The grease gun produces up to 10,000 PSI to force grease through clogged or tight fittings that manual pumps struggle with.
• High flow pump: A high-volume pump pushes up to 5 oz/min, speeding lubrication of bearings and large fittings for larger jobs.
• Long hose reach: The 42 in hose gives good access to hard-to-reach grease points without contorting equipment or the operator.
• LED light: An integrated LED helps locate fittings in low-light areas so work can continue in dim shop corners or under equipment.
• Battery capacity: The 20V MAX XR 5.0-Ah packs include a fuel gauge and offer about 60% more capacity than standard 20V MAX batteries for longer runtimes.
• Compatibility and convenience: The battery is compatible with the entire 20V MAX tool line and the bundle ships with two batteries and a charger for continuous use.

Who It's For

This kit is best for mechanics, fleet maintenance crews, and shop owners who regularly service heavy equipment, tractors, or construction machinery and need a cordless solution that combines both high pressure and high volume. The power and battery life make it practical for multi-vehicle jobs or daily preventive maintenance routines.

Casual users with only occasional small tasks may find the kit overkill compared with a manual pump or a basic cordless unit; those who need very compact or ultra-light tools for tight household jobs should consider a smaller, lighter option.

Pros & Cons

Pros

• Consistent high pressure up to 10,000 PSI handles stubborn fittings without repeated manual effort.
• High-flow output at up to 5 oz/min reduces time spent per lubrication point on larger equipment.
• Included 5.0-Ah batteries with fuel gauge and charger provide long runtime and quick swap capability.
• 42 in flexible hose and LED improve access and visibility in cramped or dark areas.

Cons

• The tool is heavier and larger than simple manual pumps, so it may be less convenient for light, occasional use.
• For extremely long continuous jobs, users may still want additional battery sets to avoid downtime.

Specifications

Model	DCGG571M1 grease gun with DCB205-2 batteries
Maximum Pressure	Up to 10,000 PSI
Pump Flow	Up to 5 oz/min
Hose Length	42 in
Battery	20V MAX XR 5.0-Ah, 2-pack with charger
Battery Weight	Approx 1.4 lbs per pack (lightweight design)
Lighting	Integrated LED for fitting visibility

Our Verdict

The DEWALT 20V MAX Cordless Grease Gun bundle is a strong choice for professionals who need both pressure and runtime; the combination of a 10,000 PSI motor, high-flow pump, long hose, and two 5.0-Ah batteries delivers efficient, uninterrupted maintenance. It represents good value for shops and fleet operators, though occasional users may prefer a smaller, simpler tool.

Frequently Asked Questions

How long will a battery last on a single charge?
A single 5.0-Ah 20V MAX XR battery delivers significantly more runtime than a standard pack and is rated to handle many cartridges per charge depending on the job; the bundle includes two batteries for continuous use.

Can the battery be used with other tools?
Yes, the 20V MAX XR battery is compatible with the broader 20V MAX tool line for cross-tool convenience.

Is the hose flexible enough for tight spaces?
The 42 in extra-long flexible hose is designed to reach hard-to-access grease fittings and the LED helps with visibility in cramped areas.