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OUPES Mega 1

Portable power station · Overall fit profile

The 1,024 Wh, 2,000 W Mega 1 weighs 27.8 lb and publishes charging times by input mode, including AC, solar and car charging.

Capacity1,024 Wh
AC output2,000 W
Surge4,500 W
Solar input800 W
Weight27.8 lb
Evidence
Manufacturer-controlled
Model
Mega 1
Reviewed
2026-10-22
OUPES Mega 1 product image

At a glance

Bottom Line

The 1,024 Wh, 2,000 W Mega 1 weighs 27.8 lb and publishes charging times by input mode, including AC, solar and car charging.

Strengths

Practical advantages

  • Cycle-life claimOUPES states more than 3,500 cycles to 80% capacity for its LFP battery.
  • 13 built-in outputsThe base unit includes two 100 W USB-C PD ports alongside AC, USB-A and DC outputs.
  • Mode-specific charging timesPublished times are 58 min fast AC, 1.9 h slow AC, 1.3 h solar, 36 min AC plus solar, and 12.8 h car charging.

Tradeoffs

Supported limitations

  • UPS transfer is not zero-timeThe manufacturer states under 20 ms up to 2,000 W; this is an inequality, not a measured exact time or a 0 ms claim.
  • Solar tracker windowThe 800 W solar maximum uses an 18–75 V, 14 A MPPT window within the wider 12–78 V port range.
  • Fast and slow AC modesThe 58-minute fast-AC claim uses 1,400 W input; slow mode is 700 W and takes about 1.9 h.

Evidence gaps

What remains unknown

  • Charging test conditionsThe published solar and combined-mode times do not specify panel wattage or irradiance.

Best for

Scenario fit

Consider it for mobile or short-outage use when 1,024 Wh and 2,000 W meet the load; account for the 27.8 lb base weight and under-20 ms transfer claim.

CampingGood fit · 95% coverageStores 1024 Wh for camping essentials
RVConditional fit · 66% coverageSustains 2000 W for compatible RV appliances.Missing: expanded capacity, single-base 240 V output
Home BackupConditional fit · 80% coverageSustains 2000 W for compatible home essentials.Missing: expanded capacity
EmergencyGood fit · 95% coverageAccepts wall input up to 1400 W for faster top-ups.
CPAPGood fit · 90% coverageStores 1024 Wh for compatible overnight equipment

Key facts

Core specifications

CAPACITY

1024 Wh

Rated capacity

Continuous

2000 W

Continuous

SURGE

4500 W

Peak capability

SOLAR INPUT

800 W

Maximum

WEIGHT

27.8 lb

BATTERY

LiFePO4

Cycle life

>3500 cycles

More than 3500 cycles to 80%.; manufacturer retention claim: 80% at stated cycle threshold

Recharge paths

Charging specifications

AC INPUT

1400 W

Maximum

SOLAR INPUT

800 W

Maximum

Concurrent AC + solar input

=2200 W

Combined AC + solar input; not AC-only rating.

Power and connections

Output specifications

AC OUTPUT

2000 W

Continuous

SURGE

4500 W

Peak capability per manufacturer

AC OUTLETS

4 ports

NEMA 5-20R

120 V · 20 A

DC OUTPUTS

1 port

Car outlet

12 V · 10 A

DC OUTPUTS

2 ports

DC5521

12 V · 10 A

USB

4 ports

USB-A

Group maximum: 18 W

USB

2 ports

USB-C PD

Group maximum: 100 W · USB Power Delivery

AC output voltage

120 V

AC waveform

Yes

Expandability

Capacity beyond the base

Battery expansion

Yes

Maximum expanded capacity

5120 Wh

Portability

Size the move

PRODUCT WEIGHT

27.8 lb

Manufacturer-published weight

UPS / EPS

Transfer behavior

UPS / EPS

Supported

For compatible connected equipment

UPS / EPS transfer time

<20 ms

Switch-over is less than 20ms, up to 2000W; preserve '<20', not exact 20ms.

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