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OUPES Mega 1 Home Backup & Review

1,024Wh of storage, 2,000W continuous output, LiFePO4 cells. Listed at $699 at OUPES.

The OUPES Mega 1 Home Backup & is a home backup systems unit holding 1,024Wh. At $0.68 per watt-hour it is priced above the median for the band, so you are paying a premium over comparable capacity. It uses LiFePO4 cells rated for 3,500 cycles, so it is built to be kept rather than replaced. It lists at $699 against an $2,219 MSRP.

Manufacturer price at the time of writing. This link is not a paid placement.

What the numbers work out to
$0.68
per watt-hour
Purchase price divided by rated capacity. The standard way to compare cost across sizes.
19.5¢
per kWh over its life
Price divided by the energy it can deliver across 3,500 rated cycles. Compare it to what your utility charges.

Computed from this unit’s published specification, not from a manufacturer claim. Method and the full catalogue comparison are in our power station price index.

What the OUPES Mega 1 Home Backup & will run, and for how long

Runtimes below are calculated from the 1,024Wh rated capacity, derated to 85% for AC loads and 92% for USB and 12V loads to cover inverter and conversion losses. They are arithmetic, not lab measurements, but they are the same arithmetic applied to every unit we track, so the comparison holds. Anything drawing more than the 2,000W continuous rating is left off the list because this unit cannot carry it, though the 4,500W surge rating covers brief startup spikes from motors and compressors.

LoadEstimated runtime
Phone charge (12Wh)78 charges
Wi-Fi router (10W)87 hr
LED work light (10W)94 hr
CPAP, humidifier off (40W)21 hr 46 min
Laptop (60W)14 hr 30 min
12V portable fridge (45W avg)19 hr 21 min
55-inch TV (90W)9 hr 40 min

Real figures land below these. A fridge cycles rather than drawing continuously, and cold weather costs a lithium pack usable capacity, so treat the table as the ceiling rather than the expectation.

OUPES Mega 1 Home Backup & specifications

Manufacturer figures, gathered so you can read them against everything else we track rather than against the marketing page they came from.

Capacity1,024Wh
Continuous AC output2,000W
Surge / peak4,500W
Cell chemistryLiFePO4
Rated cycle life3,500 cycles
Warranty1 years
Price at OUPES$699
Cost per watt-hour$0.68

How the OUPES Mega 1 Home Backup & compares

The closest units we track from other manufacturers in the same band, matched on capacity rather than on price.

  OUPES Mega 1 Home Backup & Jackery HomePower 1000 v2 Jackery HomePower 2000 Plus v2
Capacity 1,024Wh 1,024Wh 2,048Wh
Output 2,000W 1,500W 2,400W
Cycle life 3,500 cycles 6,000 cycles 6,000 cycles
Weight 23 lb 41 lb
Price $699 $579 $899
Cost per watt-hour $0.68 $0.57 $0.44

Put it head to head →

Where the OUPES Mega 1 Home Backup & sits in its band

We track 21 units in the home backup systems band with both a price and a published capacity. They run from $489 to $10,999, and from 1,024Wh to 20,000Wh. On cost per watt-hour the OUPES Mega 1 Home Backup & ranks 18 of 21, where 1 is the cheapest capacity in the band. That puts it in the most expensive third, so it has to earn the difference somewhere other than raw capacity. Ranking on cost per watt-hour deliberately ignores build quality, port selection and warranty, so read it as one input rather than as the answer.

Alternatives to the OUPES Mega 1 Home Backup &

Units we track in the same band that are close enough to be genuine substitutes, matched on capacity. Each links to its own review.

Who the OUPES Mega 1 Home Backup & suits

It is a sensible buy for van and car camping, a long weekend off-grid, and covering a fridge plus lighting and devices through a day-long outage. It is the wrong tool for whole-home backup, and sustained use of a microwave or a kettle.

OUPES Mega 1 Home Backup & questions

How long will the OUPES Mega 1 Home Backup & run a fridge?

A full-size fridge averages about 50W once you account for the compressor cycling on and off. From 1,024Wh, derated to 85% for inverter losses, that is roughly 17 hr 24 min on a full charge. A 12V portable fridge draws less and will run considerably longer.

Can the OUPES Mega 1 Home Backup & be charged by solar?

OUPES does not publish a maximum solar input for this model. Rather than estimate one, we leave it out. Check the manual that ships with the unit before buying panels for it.

What warranty does the OUPES Mega 1 Home Backup & carry?

OUPES covers it for 1 years, and rates the cells for 3,500 charge cycles. Cycle life and warranty are different promises, and the cycle figure is the one that tells you how long the pack stays useful.

Is the OUPES Mega 1 Home Backup & worth it?

At $699 it works out at $0.68 per watt-hour. It costs more per watt-hour than the median unit in its band, so the case for it rests on the features rather than on the price. Read the comparison table above against the two closest rivals before deciding.

What is not published

OUPES does not state the weight, the maximum solar input for this model. We list figures rather than estimate them, so those rows stay empty until the manufacturer publishes them. If you need one of them to make the decision, ask OUPES directly and hold them to the answer.

How we assess these

Every figure on this page comes from the manufacturer, and every derived number, cost per watt-hour and estimated runtime, is calculated the same way for all 437 products we track. That is what makes the comparison meaningful: we are not scoring units against a private impression of them, we are putting published figures side by side and doing the arithmetic in public. Where a manufacturer stays quiet, we say so rather than filling the gap.

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