Wattpicker
Pricing shipped to Florida (33458)
Tool, not publisher
ConfiguratorEcoFlow system builder

Build your full EcoFlow system

Vendor-locked configuration — only components EcoFlow themselves sells as compatible. We don't suggest cross-brand mixes that the manufacturer doesn't bless.

Running total
$1,736.99
Saves $700 vs MSRP
Why we don't suggest cross-brand mixing: connecting an EcoFlow battery to a different-brand unit isn't supported by either manufacturer's warranty, and the BMS protocols don't speak to each other. We only configure within a single brand's blessed ecosystem. If you want to mix brands, that's an intentional DIY choice — and you'll want a different tool than this one.
1
Base unit · selected from fit-test
DELTA 2 Max · 2,048Wh · 2,400W AC · 3,400W surge
$899
EcoFlow Direct
2
Expansion battery · 1 of up to 2 added
DELTA 2 Max Smart Extra Battery
Expandable 2048Wh LFP battery that triples capacity of DELTA 2, DELTA Max and DELTA 2 Max systems.
$699
1× @ $699
Compatibility verified · vendor-locked to EcoFlow
  • · DELTA 2 Max Smart Extra Battery is the EcoFlow-blessed expansion for the DELTA 2 Max
  • · Inverter capped at 2,400W AC continuous (capacity scales, output doesn't)
  • · Up to 2 DELTA 2 Max Smart Extra Battery units stackable per DELTA 2 Max → max 6,144 Wh system
  • · Total energy capacity in this configuration: 4,096 Wh
3
Solar input · Starter · 1× 100W Lightweight Flexible Solar Panel (Black Division) parallel on PV1
100W Lightweight Flexible Solar Panel (Black Division)
$138.99
✓ PV wiring valid — show math
Topology1 panel in parallel
Combined Voc (STC)23.5V
Cold-derated Voc @ 15°C24.21V
Combined current (Imp)5.2A
Combined wattage100W
  • · Adapter required: panel uses MC4 but the PV1 input is XT60. Add a MC4-to-XT60 adapter cable to your shopping list.
  • · 1× 100W Lightweight Flexible Solar Panel (Black Division) in parallel is within all PV1 limits.
4
Cables & adapters · auto-suggested
In-box for this configuration
$0
all included
ItemWhy neededStatus
DELTA 2 MaxDELTA 2 Max Smart Extra Battery cableProprietary; ships with DELTA 2 Max Smart Extra BatteryIn box
RV note: The DELTA 2 Max has a native TT-30R outlet — a standard 30A RV plugs in directly, no L14-30 adapter needed. For 50A RVs you'd add a TT-30 → 14-50 adapter (~$35) but you'll only get 120V on each leg, not split 240V.
5
Hardwired home backup · optional · 120V loads only
EcoFlow Power Saver Kit / Inlet Box
EcoFlow-blessed path for hardwired home backup. Powers selected 120V circuits during outage · electrician install required
Coming soon
Skip if: you'll use the DELTA 2 Max with extension cords or unplug-and-plug into appliances directly. Add if: you want a hardwired path to a transfer-switched 120V subpanel covering specific circuits (furnace, lights, refrigerator).
Your shopping list
3 items · EcoFlow system
DELTA 2 Max
via EcoFlow Direct
$899
1× DELTA 2 Max Smart Extra Battery
via EcoFlow Direct
$699
1× 100W Lightweight Flexible Solar Panel (Black Division)
via Renogy Direct
$138.99
Hardwired home backup
Not added · optional
Subtotal (MSRP)$2,436.99
Bundle / flash savings$700
System total$1,736.99
Saves $700 vs MSRP today
4,096 Wh total energy capacity
Future upgrade path

Plan ahead. Your config can grow up to 6,144 Wh on this same DELTA 2 Max base.

  • +1yrAdd another DELTA 2 Max Smart Extra Battery6,144 Wh total · ~$699 · longer autonomy
  • +3yrAdd more PV — High PV input still has headroom for additional series array