EGO Power+ LB6504

After 45 hours of testing across wet spring debris, dry summer grass clippings, and heavy autumn leaf fall, the EGO LB6504 proved itself the most capable leaf blower in any power class. Its brushless motor pushes air at 180 MPH with 650 CFM volume — numbers that rival commercial gas backpack units. We cleared a 1/2-acre property covered in 3-inch-deep wet oak leaves in under 25 minutes on a single 5.0 Ah battery. The variable-speed trigger gives precise control for flower beds and delicate areas, while the turbo button unleashes full power for stubborn matting. At just 7.4 lbs with the battery, it is remarkably comfortable for extended use, and the noise level is low enough that you will not annoy the neighbors at 8 AM on a Saturday.

Full Specifications

Clearing Power

The numbers on paper are impressive: 180 MPH air speed and 650 CFM air volume. But what matters is how that translates to real yard work. We tested the EGO LB6504 against a lineup of 12 competitors across three properties totaling over 1.5 acres.

On a 1/2-acre property covered in 3-inch-deep wet oak leaves — the ultimate torture test for any blower — the EGO cleared the entire yard in under 25 minutes on a single 5.0 Ah battery. For context, a mid-range gas handheld we tested on the same pile took 35 minutes and required a fuel refill. A competing 20V battery blower stalled repeatedly on the wet matting and needed two battery swaps to finish.

The brushless motor delivers torque instantly. There is no ramp-up lag like you get with some battery tools. Pull the trigger, and the fan hits max RPM in under a second. The variable-speed trigger is genuinely useful — we used low speed for blowing grass clippings off flower beds and full turbo for dislodging wet leaves packed against fence lines.

Battery Runtime

EGO claims up to 90 minutes on low speed and 18 minutes on turbo. Our testing landed at 87 minutes on low and 16.5 minutes on full turbo — close enough to call it accurate. The real story is in the middle: at the speed we actually used for most clearing (roughly 60% trigger), we averaged 42 minutes of continuous runtime.

That 42-minute figure is what matters. It is enough to clear a 1/2-acre property of moderate leaf cover without reaching for a second battery. For larger properties, the EGO platform supports battery hot-swapping in about 10 seconds, and the battery fuel gauge gives a clear percentage readout — no guessing how much juice is left.

The 56V ARC Lithium battery also recharges fast. The standard charger fills a depleted 5.0 Ah battery in about 50 minutes. If you own other EGO tools, the battery interchangeability is a major value multiplier — one battery ecosystem for your mower, blower, trimmer, and chainsaw.

Weight & Comfort

At 7.4 lbs with the battery, the LB6504 is not the lightest battery blower on the market. The BLACK+DECKER we tested is 4.5 lbs. But weight is only half the story — balance is what determines comfort, and the EGO nails it.

The battery sits directly below the handle, keeping the center of mass close to your hand. After 45-minute sessions, we felt less wrist fatigue than with lighter but front-heavy competitors. The rubber overmold grip is comfortable and does not get slippery when your hands sweat. The trigger is well-shaped and does not cramp your finger during extended use.

The blower tube is a fixed length — no telescoping adjustment. For testers between 5'6" and 6'2", the angle felt natural with the nozzle slightly above ground level. Shorter users may find they need to lower their grip slightly to keep the airflow where they want it. The tube detaches for storage, which is helpful because the full length makes it awkward to fit in smaller closets.

Noise Level

EGO rates the LB6504 at 64 dB, and our decibel meter agreed at ear level during normal operation. That is roughly the volume of a normal conversation. Compare that to the gas backpack blowers we tested, which hit 104–105 dB — loud enough to require hearing protection and guaranteed to annoy neighbors three houses down.

The practical impact is real. We used the EGO at 7 AM on a Saturday without a single window opening or dirty look. You can hold a conversation while someone else is blowing nearby. Your ears will not ring after a 30-minute session. For anyone in a suburban neighborhood with noise ordinances or close neighbors, this alone can be a deciding factor.

On turbo, the noise climbs to about 78 dB — comparable to a busy vacuum cleaner. Still well below gas blower territory, and short bursts of turbo are unlikely to draw complaints.

Build Quality

The EGO feels solid in hand. The housing is a dense, impact-resistant plastic that does not flex when you bump it against fence posts or deck railings — which happens more often than you would think during real use. After 3 months of regular use including a few accidental drops onto concrete, there are no cracks, no loose seams, and no rattles.

The weather-resistant construction is not marketing fluff. We used it in light rain and heavy morning dew without issues. The battery compartment seal is tight, and the motor housing has visible drainage channels. We would not submerge it, but occasional wet conditions are not a concern.

The 5-year warranty is among the best in the cordless blower category. Most competitors offer 2–3 years. That longevity promise aligns with what we see in the construction — this is a tool built to last multiple seasons, not a disposable gadget you will replace in two years.

Alternatives to Consider

Best Backpack Gas$349

Husqvarna 350BT

The best gas backpack blower under $400. The 50.2cc engine delivers a massive 692 CFM with an ergonomic harness system that makes all-day cl...

View Price

Best Mid-Range Battery$199

DeWalt DCBL772B

The best mid-range battery blower for power users. The 60V FLEXVOLT platform pushes 600 CFM at 125 MPH — handily outclassing any 20V competi...

View Price

Best Budget Pick$89

BLACK+DECKER BCBL700D1

The best budget cordless leaf blower. Battery and charger are included in the box, and the 2-speed design handles everything from light pati...

View Price

Frequently Asked Questions