EcoFlow DELTA Pro 3 Portable Power Station
Authorized EcoFlow Dealer
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DELTA Pro 3 Portable Power Station
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| Capacity | 4096Wh | Output | 4000W / 8000W Surge |
| Certification | UL9540 Listed | Warranty | 5-Year LFP |
| Solar Input | Up to 3000W | EV Input | 4000W Bidirectional |
| RV Outlet | NEMA TT-30 Built-in | Expandable | Up to 12kWh+ |
The Next Generation of Whole-Home Backup
The EcoFlow DELTA Pro 3 is not an upgrade to the DELTA Pro — it is a completely new product built on next-generation architecture. Where the original DELTA Pro delivers 3600Wh and 3600W output, the DELTA Pro 3 delivers 4096Wh and 4000W of UL9540-certified pure sine wave output. Where the DELTA Pro expands to 25kWh, the DELTA Pro 3 pairs with Smart Home Panel 3 to manage 32 home circuits. And where the DELTA Pro charges at 1600W solar, the DELTA Pro 3 accepts 3000W. These are not incremental improvements — they are generational leaps.
UL9540 Certified — What That Means for You
UL9540 is the gold-standard safety certification for stationary energy storage systems — the same certification required for commercial and residential solar battery installations. The DELTA Pro 3 is one of the very few portable power stations to achieve this certification, meaning it has been independently tested and verified to meet the strictest safety standards for home energy storage. This matters if you plan to install it as a semi-permanent home backup system.
Built-In NEMA TT-30 RV Outlet
The DELTA Pro 3 is the only power station in its class with a built-in NEMA TT-30 RV outlet — the industry standard for campground shore power connections. No adapter needed. Drive to any campground, plug in directly, and power your entire RV from a 4096Wh LFP battery that recharges from solar. Pair two DELTA Pro 3 units for 240V output to power your entire cabin or large RV.
4000W Bidirectional EV Charging
The DELTA Pro 3 accepts up to 4000W of input from an EV charging port — making your electric vehicle a backup power source for your home. During an extended grid outage, your EV's battery becomes an emergency generator. Paired with 3000W of solar input (six 500W panels), the DELTA Pro 3 can be fully recharged in approximately 1.5–2 hours of good sunlight.
- 4096Wh next-gen LFP — expandable to 12kWh+ with DELTA Pro 3 Extra Batteries
- 4000W pure sine wave / 8000W surge — UL9540 listed for home energy storage
- Built-in NEMA TT-30 RV outlet — direct campground shore power, no adapter
- 3000W solar input: 6×500W panels recharge fully in ~1.5 hours of sun
- 4000W bidirectional EV input — your car becomes your home backup generator
- Smart Home Panel 2 & 3 compatible — up to 32 circuits of automated backup
- LFP: 3,500+ cycles — 10+ years of daily whole-home backup use
- EcoFlow OASIS app: AI energy management, predictive charging & remote control
- Dual-unit 240V: pair two DELTA Pro 3 units for full 240V appliance support
Whole-home backup, remote off-grid properties, RV living, medical backup systems, large construction sites & serious energy independence setups.
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Why Locktech & Gear? We are an Authorized EcoFlow Dealer — every unit is 100% genuine EcoFlow hardware shipped from US inventory with the full manufacturer warranty. No grey-market, no refurbished, no risk. Our team knows these products inside and out — reach out before or after your purchase.
