4–2 on 6 shared metrics

EcoFlow EFR600+XT60 vs MARBERO 237wh solar generator with solar panel

On 6 shared published metrics the EFR600+XT60 leads 4–2. Capacity is nearly matched (243 Wh vs 237 Wh), so the decision turns on the rows below — not size. Choose EFR600+XT60 when you will move the unit often — it leads on weight and watt-hours per pound.

EFR600+XT60243 Wh · $279 list · as of 2026-10-27

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237wh solar generator with solar panel237 Wh · $209.99 list · as of 2026-10-13

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Carry / campingEFR600+XT60
Longer runtimeEFR600+XT60
Heavy AC loadsEFR600+XT60
Value per Wh237wh solar generator with solar panel

Who wins which job

Pick EFR600+XT60 when

EcoFlow EFR600+XT60

Capacity: 243 Wh vs 237 Wh
Continuous AC output: 600 W vs 300 W
Weight: 7.7 lb vs 9.0 lb
Watt-hours per pound: 31.6 Wh/lb vs 26.3 Wh/lb

Buyers who want one system to grow from camping into home backup.

Pick 237wh solar generator with solar panel when

MARBERO 237wh solar generator with solar panel

List price: $209.99 vs $279
Cost per watt-hour: $0.89 vs $1.15

Budget-conscious campers and light-outage households who need a small, cheap backup for phones, lights, and fans.

Spec by spec

A green mark is the better published figure on that row. Blank cells mean the vendor did not publish the number — we do not estimate.

Metric	EFR600+XT60	237wh solar generator with solar panel	What it means
Capacity	243 Wh	237 Wh	How much energy the unit stores. Sets how long everything else can run.
Continuous AC output	600 W	300 W	The largest load the inverter will run continuously, not counting surge.
Weight lower is better	7.7 lb	9.0 lb	The spec buyers most often regret ignoring.
List price lower is better	$279	$209.99	Hub catalogue list price (same figure as product pages). Historical lows stay off this column.
Cost per watt-hour lower is better	$1.15	$0.89	Price divided by capacity. The fairest single value metric.
Watt-hours per pound	31.6 Wh/lb	26.3 Wh/lb	Capacity you get per pound carried.

How each one ranks overall

EcoFlow EFR600+XT60

MARBERO 237wh solar generator with solar panel

The brands behind them

EcoFlow

The tech-forward buyer who reads the spec sheet and wants room to grow

Best for: Buyers who want one system to grow from camping into home backup.

Not for: Buyers who want the lowest cost per watt-hour and will never use an app.

All EcoFlow models →

MARBERO

Price-led entry-level power buyer

Best for: Budget-conscious campers and light-outage households who need a small, cheap backup for phones, lights, and fans.

Not for: Anyone planning to run fridges, medical devices for long periods, or whole-home backup.

All MARBERO models →

Where these numbers come from. WattPicks does not test power stations — this is a spec profile, not a review. Every figure on this page is taken from EcoFlow’s own product listing and is stored with the vendor’s exact wording, reproduced below. We do not estimate missing specs — a field the vendor does not publish is shown as “—” and excluded from rankings. Source: EcoFlow listing on Amazon.

Vendor wording for each figure (3)

capacityWh: “243 Wh”
acOutputW: “600”
weight: “7.7 pounds”

Where these numbers come from. WattPicks does not test power stations — this is a spec profile, not a review. Every figure on this page is taken from MARBERO’s own product listing and is stored with the vendor’s exact wording, reproduced below. We do not estimate missing specs — a field the vendor does not publish is shown as “—” and excluded from rankings. Source: MARBERO listing on Amazon.

Vendor wording for each figure (3)

capacityWh: “237 Wh”
acOutputW: “300”
weight: “9 pounds”

Frequently asked

Which is better for most buyers, the EcoFlow EFR600+XT60 or the MARBERO 237wh solar generator with solar panel?

The EFR600+XT60 leads 4–2 on shared published metrics. That edge matters when capacity, continuous ac output, weight match what you need; otherwise take the 237wh solar generator with solar panel.

I care most about carry / camping — which should I buy?

Choose EFR600+XT60 when you will move the unit often — it leads on weight and watt-hours per pound.

Method and sources

Every row on this page is a published manufacturer figure from the WattPicks catalog at build time. WattPicks does not run laboratory tests on these units, and blank cells mean the vendor did not publish that metric — not that we estimated it.

Read our methodology for how the catalog is normalized, and about WattPicks for who publishes it.