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EcoFlow DELTA 2 Max 4800 Watt Surge Battery Power Station 2048Wh LiFePo4 Solar Generator

Name: EcoFlow DELTA 2 Max 4800 Watt Surge Battery Power Station 2048Wh LiFePo4 Solar Generator
Brand: Ecoflow
SKU: EF-D2M
Price: 1298.75 USD
Availability: InStock

SKU: EF-D2M

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EcoFlow DELTA 2 Max 2,400W portable power station with 2,048Wh LFP battery, 0–80% in 1.1 hrs, X-Boost up to 3,400W, up to 1,000W solar input, and 10-year battery life.

Running Watts 2400W

Battery Capacity 2048Wh

Product Length (in.) 19.6 in

Brand Ecoflow

Starting Watts 4800W

Product Width (in.) 9.5 in

CONFIGURE YOUR SOLAR GENERATOR BUNDLE

EcoFlow NextGen 220 watt Bifacial Portable Solar Panel $544.66 $699.88 Save $25.00 Bundle Discount

ECOFLOW 400W Portable Solar Panel, Foldable Durable Adjustable Kickstand with Case Waterproof IP68 $990.27 $1,243.69 Save $25.00 Bundle Discount

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About This Product

The EcoFlow DELTA 2 Max is a 2048Wh, 2400W output portable power station designed for home backup and off-grid use, featuring long-lasting LFP battery chemistry for 3,000+ cycles. It supports expansion up to 6kWh and charges from 0-80% in 43 minutes (AC+Solar), or 1.1-hour with only AC charge. The unit can power up to 15 devices, including heavy-duty appliances via 3400W X-Boost.

Highlights

Run 99% of appliances with x-boost, power pretty much anything with a 2 kWh capacity, with x-boost proprietary technology, run appliances with an output of up to 3400-Watt, compared with our competitors, delta 2 max can power more devices, preventing overloading and overheating
10-year long-lasting LFP battery durable, safe, light-weight, with it's upgraded LFP battery chemistry, delta 2 max has a lifespan of 3000 complete cycles until it reduces to 80% capacity, you'll get pretty much 10-years of power, even if you use it every day, that's 6x longer than other power stations with a similar capacity and output
Customized in-app energy management, take control of your power, save more on electricity bills, prioritize solar energy input via the EcoFlow app when using x-stream AC plus solar dual charging, plus, customize the working time of delta 2 max to avoid peak rates, experience peace of mind during power outages with our all-new AC always on mode, the AC power button stays on, even during a power outage or after the grid power is back, keeping your appliances powered no matter what
Part of an ever-growing ecosystem, delta 2 max is just the start, link with a wide variety of EcoFlow products such as portable solar panels, the wave portable air conditioner, the glacier portable fridge, extra batteries, the smart generator and so much more, all to deliver a 1-stop power solution for your family

TECHNICAL SPECS +

Running Watts	2400W
Battery Capacity	2048Wh
Product Length (in.)	19.6 in
Brand	Ecoflow
Starting Watts	4800W
Product Width (in.)	9.5 in
Application	Emergency Use, Job Site, RV
Features	Bluetooth, Overload Protection, USB Port
Included	Cord Set
Number of Panels	0
Number of Receptacles	15
Number of Total Batteries Included	1
Operational Volume (dB)	45
Suggested Uses	Battery Charger, Lights, Mobile Devices, Power Tools, RV A/C Unit, Small Appliances, Small Electronics
Manufacturer Warranty	5years
Compatible_Panels	NEXTGEN220W, SOLAR400W
Bundle	NEXTGEN220W, SOLAR400W

EcoFlow NextGen 220 watt Bifacial Portable Solar Panel +

Details

The EcoFlow NextGen 220W Bifacial Portable Solar Panel represents a genuine generational step in portable solar technology — not a spec-sheet refresh of an existing design, but the first portable solar panel to combine TOPCon cell architecture with a bifacial dual-sided harvesting design in a compact, foldable form factor. For Puerto Rico users, that combination solves two specific real-world problems: it squeezes significantly more daily energy production out of a panel footprint small enough to carry anywhere, and it does it using cell technology that holds efficiency better in the high-temperature conditions that characterize Puerto Rico's tropical climate year-round.

The bifacial design is the headline feature, and it works differently from every standard portable panel on the market. The primary front face generates up to 220W using high-efficiency monocrystalline cells optimized for direct sunlight. The rear face adds a separate 175W harvesting layer that captures reflected and ambient light — sunlight bouncing off surrounding surfaces like concrete, sand, light-colored roofing, and water — converting that secondary light source into additional usable power. The combined effect is up to 28% more total energy production compared to an equivalent single-sided 220W panel over the course of a full deployment day. On a Puerto Rico rooftop, patio, or courtyard where light-colored concrete or tile reflects significant ambient light, the rear panel is harvesting energy that a conventional panel discards entirely. This isn't a marginal difference: in optimized conditions, a 220W bifacial panel outproduces a conventional 220W panel by an amount equivalent to adding a separate 50–60W panel to your setup, at no additional weight, space, or cost.

The cell technology underneath that bifacial architecture is equally significant. The NextGen 220W uses TOPCon (Tunnel Oxide Passivated Contact) monocrystalline silicon cells — a technology previously found only in commercial-grade fixed residential installations, now applied to a portable panel for the first time in the consumer market by EcoFlow. TOPCon cells achieve up to 25% conversion efficiency by reducing recombination losses at the cell surface through a precision tunnel oxide passivation layer, allowing more of the photons that reach the cell to convert into usable current rather than being lost as heat. The practical result is that the NextGen 220W generates more power per square inch than virtually any competing portable panel, and — critically for Puerto Rico deployments — it maintains that efficiency advantage in the elevated temperatures that cause standard monocrystalline panels to lose 10–15% of their rated output on hot sunny days. TOPCon cells have a lower temperature coefficient than standard mono cells, meaning the output penalty per degree of heat increase is smaller, which directly translates to better real-world output during Puerto Rico's hottest months when your power station needs the most charging support.

At 15.4 lbs (7.0 kg), the NextGen 220W is one of the lightest high-wattage portable panels available — significantly lighter than the 400W panel and lighter than most 200W-class competitors. The folded dimensions of 23.6 × 22.5 × 1.3 inches make it genuinely portable in a way that most 200W+ panels are not: it fits in a standard backpack, slides under a seat, and stores in a closet without dedicated panel storage. The unfolded footprint of 23.6 × 83.6 inches deploys efficiently in tight spaces like balconies, narrow rooftops, and patios — environments where larger panels can't be positioned at all. The integrated angle guide and adjustable bracket system allows precise angle optimization from 30° to 60°, with the built-in guide calibrated to help users match panel angle to their latitude and time of day — a practical feature that directly increases daily yield on a fixed-position deployment without requiring solar tracking knowledge. The panel is built around durable tempered glass with ETFE surface coating — a more rigid construction than flexible-cell panels, which trades some flex for significantly longer surface lifespan and better protection against cell microfractures from repeated handling. IP68 waterproofing, tested to full submersion at 1 meter for 72 hours under IEC 60529, confirms the NextGen 220W handles rain, humidity, and coastal moisture without degradation to cell performance or junction box integrity. The standard MC4 connector provides compatibility with EcoFlow's full DELTA series and the vast majority of third-party power stations. FCC and CE certifications confirm compliance with U.S. electrical safety standards.

Features

220W Primary + 175W Rear Face – Up to 28% More Energy Than Single-Sided Panels
TOPCon Monocrystalline Silicon Cells – Industry-First in a Portable Panel
Up to 25% Conversion Efficiency – Among the Highest of Any Portable Panel
Bifacial Dual-Sided Design Harvests Reflected & Ambient Light
Low Temperature Coefficient – Maintains Output in High Heat Conditions
IP68 Waterproof & Dustproof – Submersion Tested at 1 Meter for 72 Hours
Durable Tempered Glass + ETFE Surface Coating
30–60° Adjustable Angle Bracket with Integrated Solar Angle Guide
15.4 lbs (7.0 kg) – Ultralight for 220W Output Class
Folded Size: 23.6 × 22.5 × 1.3 inches
Unfolded Size: 23.6 × 83.6 inches
Open Circuit Voltage: 21.5V | Short Circuit Current: 12.4A
MC4 Connector – Compatible with EcoFlow DELTA Series and Most Third-Party Power Stations
FCC, CE Certified

Weight	Approx. 15.4 lb (7.0 kg)
Warranty	12 months
Brand	EcoFlow
Model Number	NextGen 220W
Peak Power	220W (Front) / 175W (Rear)
Open circuit voltage(OCV)	21.5V (Vmp 18.4V)
Short Circuit Current(Isc)	12.4A (Imp 11.9A) Front / 9.9A (Imp 9.5A) Rear
Solar Conversion rate	25.00%
Cell Type	N Type TOPCon monocrystalline silicon
Dimensions (Unfolded)	24.2 × 84.8 × 1.0 in (615 × 2155 × 25 mm)
Dimension (folded)	24.2 × 23.2 × 1.3 in (615 × 590 × 32 mm)
Connector	Photovoltaic connectors
Waterproof Level	IP68

ECOFLOW 400W Portable Solar Panel, Foldable Durable Adjustable Kickstand with Case Waterproof IP68 +

Details

The EcoFlow 400W Portable Solar Panel occupies the top of EcoFlow's portable panel lineup — the highest-wattage foldable panel in the EcoFlow ecosystem and one of the most powerful single portable panels available from any manufacturer at this form factor. For Puerto Rico households and outdoor users who need maximum solar harvest from a single panel they can still carry, store in a vehicle, and deploy without tools or a permanent installation, the 400W rating combined with a 22–23% monocrystalline conversion efficiency puts more electricity into your power station per day than virtually any other portable option on the market — a meaningful difference on an island where every kilowatt-hour generated locally is a kilowatt-hour you're not buying from LUMA or burning diesel to produce.

The efficiency story starts at the cell level. EcoFlow uses multi-busbar monocrystalline silicon cells — a construction that adds additional conductive pathways across each cell compared to standard monocrystalline designs, reducing resistive losses and improving current collection when sunlight hits the panel at non-ideal angles or partial cloud cover reduces intensity. The result is a measured conversion efficiency of 22–23%, which means the panel extracts more usable watts per square foot than competing polycrystalline designs and sustains better relative output during the diffuse light conditions that follow tropical cloud cover in Puerto Rico's afternoon hours. ETFE (ethylene tetrafluoroethylene) lamination covers each cell — the same UV-resistant, high-transmittance surface material used in premium fixed residential panels — protecting the cells from scratching, UV degradation, and the kind of fine airborne particulate that accumulates on panel surfaces in coastal and urban environments and gradually reduces output over time if not easily cleaned.

The waterproofing specification on the EcoFlow 400W stands apart from most portable solar panels in its class: an IP68 rating, tested under IEC standard 60529 conditions, meaning the panel withstands submersion at up to 1 meter of water depth for up to 72 hours — well beyond what IP65 or IP67 panels are certified for. In practical terms for Puerto Rico users, this means the panel can remain deployed through a rain event without any risk to the cells or junction box, it can be stored in damp conditions without degradation, and the waterproof integrity is not limited to splash resistance or light rain. For a panel that may be deployed during storm season preparedness setups or left outdoors for extended periods during recovery scenarios, IP68 is the right specification. The multi-layered EVA and fiberglass construction also provides meaningful flex resistance and impact protection — the panel can absorb the handling and transport stress that briefcase-style portable panels encounter in vehicle storage and repeated deployment without the cell cracking or delamination issues that affect cheaper panels over time. A rigid anti-overbend layer embedded in the carry case itself prevents the panel from folding past its structural limits during storage and transport, protecting cell integrity through the panel's full service life.

At 27.5 lbs (12.5 kg), the EcoFlow 400W is lighter than most competing panels at equivalent wattage — a weight advantage that matters for a panel this powerful, since 400W panels typically weigh in the 30–35 lb range. The integrated carrying case doubles as a fully adjustable kickstand, with an angle range that allows optimal sun tracking from early morning through late afternoon without repositioning the panel assembly — a real-world efficiency advantage on Puerto Rico's east-west sun arc that reduces the gap between theoretical peak output and actual daily harvest. Unfolded dimensions of 42.0 × 94.1 inches provide the panel surface area required to generate 400W; folded to 42.0 × 24.4 × 1.0 inches it fits flat across a back seat or cargo floor without disassembly. The standard MC4 connector makes it compatible with EcoFlow's full DELTA series — DELTA Mini charges in 3–6 hours with a single panel, DELTA Pro in 3.5–7 hours with three panels in series — and also works with any third-party power station that accepts MC4 inputs within the panel's 48V open-circuit voltage and 11A short-circuit current envelope. When paired with an EcoFlow DELTA-series power station, the built-in MPPT algorithm in the station auto-adjusts continuously to extract maximum power from whatever light condition the panel is operating in — a combination that performs noticeably better than pairing the panel with fixed-input charge controllers. FCC, CE, and ROHS certifications confirm compliance with U.S. electrical safety and environmental standards.

Features

400W Peak Output – Highest-Wattage Portable Panel in EcoFlow's Lineup
22–23% Conversion Efficiency via Multi-Busbar Monocrystalline Silicon Cells
IP68 Waterproof Rating – Submersion Tested at 1 Meter for 72 Hours
ETFE Lamination for UV Resistance, Scratch Protection & High Light Transmittance
Multi-Layer EVA & Fiberglass Construction – High Impact & Flex Resistance
Anti-Overbend Rigid Layer Built Into Carry Case
Integrated Carry Case Doubles as Adjustable Angle Kickstand
27.5 lbs (12.5 kg) – Lighter Than Most 400W Portable Panels
Folded Size: 42.0 × 24.4 × 1.0 inches
Standard MC4 Connector – Compatible with EcoFlow DELTA Series and Most Third-Party Power Stations
FCC, CE, ROHS Certified

Weight	27.5 lbs (12.5 kg)
Brand	EcoFlow
Model Number	SOLAR400W
Peak Power	400W
Open circuit voltage(OCV)	48V
Short Circuit Current(Isc)	11A
Solar Conversion rate	22.6%
Cell Type	Monocrystalline Silicon
Weight (with kickstand case)	41.9 lbs (19 kg)
Dimensions (Unfolded)	41.7 × 93.1 × 0.98 in (105.8 × 236.5 × 2.5 cm)
Dimension (folded)	41.7 × 24.4 × 0.98 in (105.8 × 62.0 × 2.5 cm)

EcoFlow NextGen 220 watt Bifacial Portable Solar Panel

ECOFLOW 400W Portable Solar Panel, Foldable Durable Adjustable Kickstand with Case Waterproof IP68