EcoFlow DELTA Pro 3 Smart Extra Battery — 4096Wh LFP Expansion, Standalone or Bundled with DELTA Pro 3
The DELTA Pro 3 Smart Extra Battery adds 4096Wh of LFP capacity per unit to your DELTA Pro 3, with support for up to two batteries per station — scaling total system capacity from 4kWh to 12.2kWh. Choose the standalone battery, or select a bundle that includes the DELTA Pro 3 power station alongside one or two extra batteries.
⚠ Compatibility. This battery is designed for use with the EcoFlow DELTA Pro 3 only. It is not compatible with the DELTA Pro or DELTA Pro Ultra. Do not mix with those product lines.
Choose Your Bundle
| Bundle / Product | What's Included | Total Capacity | Best For |
|---|---|---|---|
|
DELTA Pro 3 Extra Battery 4096Wh per unit · LFP · Plug-and-Play |
1× DELTA Pro 3 Smart Extra Battery + Cable | +4096Wh added to existing DELTA Pro 3 | Expanding an existing DELTA Pro 3 setup |
|
DELTA Pro 3 + 1×DELTA Pro 3 Extra Battery 8192Wh Total · 4000W Output |
DELTA Pro 3 power station + 1× Smart Extra Battery + Cable | 8192Wh (~8.2kWh) | Extended home backup; full-day outage coverage |
|
DELTA Pro 3 + 2×DELTA Pro 3 Extra Battery 12.2kWh Total · 4000W Output · Max Single-Unit Capacity |
DELTA Pro 3 power station + 2× Smart Extra Battery + Cables | ~12.2kWh (max per single DELTA Pro 3 unit) | Maximum single-unit backup; multi-day home power coverage |
What's in the Box
- EcoFlow DELTA Pro 3 Smart Extra Battery
- EcoFlow Extra Battery Cable
- Quick Start Guide
- Safety Guide
- Warranty Card
Key Features
- 4096Wh Per Battery — Add up to two per DELTA Pro 3 unit to reach ~12.2kWh maximum single-unit capacity
- LFP Battery Chemistry — 4000 cycles to 80% capacity; automotive-grade LFP cells engineered for years of daily use
- Plug-and-Play Setup — No configuration required; connects directly to DELTA Pro 3 via included cable
- LED Display — On-unit LED array for at-a-glance charge status monitoring
- EcoFlow App Control — Monitor and manage charging and discharge remotely via the EcoFlow app
- 5-Year Warranty — Backed by EcoFlow's comprehensive warranty program
Specifications
| Specification | Detail |
|---|---|
| Capacity (per battery) | 4096Wh |
| Cell Chemistry | LFP (LiFePO4) |
| Cycle Life | 4000 cycles to 80% capacity |
| Input Port | 40V–58.4V / 80A Max |
| Output Port | 40V–58.4V / 100A Max |
| Display | LED Array |
| Compatible Models | EcoFlow DELTA Pro 3 only |
| Max Batteries per Station | 2 (total capacity up to ~12.2kWh) |
| Dimensions (L×W×H) | 694 × 295 × 215 mm |
| Weight | 33 kg |
| Charge Temp | 0°C–45°C (32°F–113°F) |
| Discharge Temp | -10°C–45°C (14°F–113°F) |
| Storage Temp | -10°C–45°C (14°F–113°F) |
| Warranty | 5-Year Full Warranty |
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