6-90kWh Capacity

Take home power dependability to another level with up to 90kWh battery capacity. For a standard household, that's over 30 days of essential backup power to keep appliances like lights and refrigerators running strong (time may vary). Stackable and space-saving, it packs comfortably into a garage or utility closet.

 

One unit covers every appliance.

 

7.2kW-21.6kW, 120V & 240V Output

With a 7.2kW output, EcoFlow DELTA Pro Ultra effortlessly runs even energy-hungry household items, like a 3-ton central air conditioner*. For more power, pair 3 inverters with the EcoFlow Smart Home Panel 2 to unlock a 21.6kW AC output. Plus, with X-Fusion you'll get a constant 7200W output no matter what.*

 

Flexible Solar Systems

Rigid Solar System

 

With its flexible plug-and-play design and unrivaled solar input, EcoFlow DELTA Pro Ultra empowers you to tailor your solution to fit your energy needs. EcoFlow DELTA Pro Ultra includes a PV locking feature, assuring safety and a solid energy connection.

Always in charge

With a Generator or EV pile

You're spoilt for choice with EcoFlow DELTA Pro Ultra's charging options. As well as all our usual methods, like solar and the grid, you can now power up using a gas generator or even your EV charging pile. With the industry's fastest charging speeds of 8800W, top up two batteries in only 2 hours.

 

You won't even notice the grid was down.

0-ms Downtime, 0 dB Silent Backup

Imagine a world where power outages go unnoticed. With EcoFlow DELTA Pro Ultra's online UPS, you'll get just that. With uninterrupted power flow, EcoFlow DELTA Pro Ultra safeguards your vulnerable electronic equipment round-the-clock. For extended outages, you don't want to hear your backup in the background, so for low draws under 2000W*, it's completely silent. With a whisper-quiet 0 dB, your nights remain undisturbed as it powers your devices.*For a maximum of 30 minutes.

 

Peace Of Mind With An Advanced Design.

EcoFlow X-Cooling

Boost Performance with BMS

With its flexible plug-and-play design and unrivaled solar input, EcoFlow DELTA Pro Ultra empowers you to tailor your solution to fit your energy needs. EcoFlow DELTA Pro Ultra includes a PV locking feature, assuring safety and a solid energy connection.

Operating temperatures: -4℉ to 113℉

290V high voltage tolerance

IP54 dustproof and splashproof

What's in the box

What Our Experts Think

• High-performance 48V lithium charger with 220V AC input and 50A output.

• IP65 weatherproof design ensures safe, reliable charging in outdoor environments.

• Delivers stable 58.4V DC output optimized for LiFePO₄ and lithium battery systems.

• Durable aluminum housing offers excellent heat dissipation and long lifespan.

• Ideal for RVs, solar setups, marine systems, and off-grid applications.

Q&A

1. What batteries is this charger compatible with?
   Designed for 48V LiFePO₄ and other compatible lithium battery systems.

2. Is it safe for outdoor use?
   Yes, IP65-rated for water and dust resistance in harsh weather conditions.

3. Can it be used with solar setups?
   Yes, commonly used in solar or hybrid off-grid energy systems.

4. Does it have built-in protection?
   Yes, includes overvoltage, overcurrent, and short-circuit protection.

Maintenance Tips

• Keep ventilation areas clear to prevent overheating.

• Avoid exposure to direct sunlight or standing water during operation.

• Inspect cables and connectors regularly for wear or corrosion.

• Store in a dry, cool location when not in use to extend lifespan.