The EcoFlow Delta 3 Plus is the perfect balance of portability and performance for the modern marching band. At just under 28lbs, it delivers a punchy 1800W of continuous power - plenty to run your entire front ensemble audio rig, including digital mixers, synthesizers, and active speakers.
Why the Delta 3 Plus belongs in your ensemble:
- Ultra-Quiet Rehearsals: Operating as low as 30 dB (no louder than a whisper), this unit can sit in the front ensemble or mixer cart without bleeding into the microphones or distracting the audience.
- Rapid-Fire Charging: Between a long morning block and your evening performance, the Delta 3 Plus can charge from 0 to 100% in just 56 minutes using a standard wall outlet.
- Student-Safe & Reliable: Built with third-generation LFP battery cells, this unit is designed to last for over 10 years of marching seasons (4,000+ cycles) while producing zero fumes or noise.
Delta 3 Plus
SKU: Delta 3 Plus
$699.00 Regular Price
$649.00Sale Price
Student Safety & School Compliance
- Zero Fume Safety: Completely battery-powered, making it safe for use in the band room, enclosed trailers, or crowded stadiums. No carbon monoxide risk.
- No Gasoline Liability: Eliminate the need to transport or store flammable gasoline on school property or in equipment trucks.
- Sideline Hazard Reduction: Keep power localized to your front ensemble. The Delta 3 Plus eliminates the need for long "trip-wire" extension cords crossing the track or sideline and can even fit inside your mixer cart.
Reliability & Longevity
- 10-Year Service Life: Built with EV-grade LFP (LiFePO4) cells designed to last for over 3,000–4,000 cycles (over a decade of marching seasons) while maintaining 80% capacity.
- IP65 Battery Protection: The internal battery pack is IP65-rated, offering superior resistance to dust and moisture during misty morning rehearsals or humid summer camps.
- 5-Year Warranty: EcoFlow provides one of the industry's longest warranties, ensuring your program's investment is protected for years to come.