BLUETTI vs OUPES: Which Line-Up Fits Your Size?

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The short answer

On the published specs, OUPES is the cheaper way to buy watt-hours, with higher surge ratings than the BLUETTI station nearest in size from 1,024 Wh up. Across the five OUPES and 15 BLUETTI stations we track prices for (BLUETTI’s Elite 10 Mini two-pack left out, as explained below), the median is about $0.37 per Wh for OUPES against $0.49 for BLUETTI. Both brands offer five-year warranties on their main stations (BLUETTI on most of its stations; OUPES gives its Mega and Exodus models five years, plus a sixth with registration). BLUETTI has three models rated for 6,000 cycles against OUPES’s best of 4,000, and a line-up running from 128 Wh to 3,840 Wh against OUPES’s 288 Wh to 4,608 Wh. Choose OUPES at 2,000 Wh and above if cost per Wh, output and solar input come first, and BLUETTI for a 6,000-cycle rating. Under 700 Wh it splits: BLUETTI’s Elite 30 V2 gives more output at 288 Wh, while OUPES’s Exodus 700 holds more energy than the AC50B for the same maker list price.

The two line-ups in numbers

Figures are medians across each brand’s current stations; a model counts toward a median only where we have that figure for it. Two products are left out entirely: the Elite 10 Mini two-pack, which pairs one unit’s 128 Wh with the price of two, and OUPES’s B2 add-on battery for the Mega 2, which is an extra pack, not a station. The BLUETTI Premium 200 V2 and OUPES Guardian 6000 V2 sit outside the per-Wh and median-capacity figures; BLUETTI lists 2,073.6 Wh for the Premium 200 V2 and OUPES lists 4,608 Wh for the Guardian 6000 V2 (spec pages checked October 2026). Apart from the sodium-based Pioneer Na, every station is LiFePO4 (see LiFePO4 vs lithium-ion); the price index applies the same method market-wide. OUPES’s Exodus 350 and 700 are matched in the under-700 Wh bracket below at October 2026 maker list prices and are not in these medians.

The price gap is partly a size effect. At the prices behind these medians, BLUETTI’s small stations cost $0.83 to $0.93 per Wh and the Pioneer Na $1.00, which lifts its median; none of the OUPES stations in them is that small. Among stations of 1,000 Wh and up, BLUETTI’s median is about $0.44 across the ten we have prices for, against OUPES’s $0.37, a gap of about 1.2× rather than 1.3×. Inside each brand the spread is wider than the gap between them: pick the model, not the badge.

Size-bracket match-ups

Each bracket pairs the closest current stations by capacity.

Under 700 Wh

OUPES’s 256 Wh Exodus 600 and 512 Wh Exodus 600 Plus are discontinued; its current small stations are the Exodus 350 (288 Wh, 350 W) and Exodus 700 (576 Wh, 700 W), both LiFePO4 and rated for 4,000 cycles to 80% (spec pages checked October 2026). BLUETTI has three: the 128 Wh Elite 10 Mini, the Elite 30 V2 (288 Wh, 600 W) and the AC50B (448 Wh, 700 W, 580 W AC charging). The Elite 10 Mini has no OUPES counterpart, so the tables pair the other two.

At 288 Wh the cost per Wh is close, and the Elite 30 V2 does more with it: 600 W of output against 350 W, and 380 W of AC charging against 200 W. At about 500 Wh it flips: the Exodus 700 holds 29% more than the AC50B (576 against 448 Wh) for the same $399, with 4,000 cycles against 3,000 and a faster listed UPS switchover, while the AC50B charges faster from the wall (580 W against 400 W). Prices used: Elite 30 V2 $289.99, Exodus 350 $299, AC50B and Exodus 700 $399 each (maker list price, October 2026), newer than those behind the medians above. BLUETTI’s surge figures here are what it calls lifting power, rated for pure resistive loads; OUPES lists peak output.

700 to 1,600 Wh

BLUETTI’s AC180 (1,152 Wh, 1,800 W) is the cheapest per Wh in this bracket at $0.39. OUPES’s Mega 1 Lite lists the Mega 1’s capacity, output, surge, cycles and warranty plus 800 W of solar input; it is sold on Amazon, so its price is not shown here.

1,600 to 3,000 Wh

This is where OUPES’s price case is clearest: the Mega 2 costs about 21% less per Wh than the Elite 200 V2 ((0.43 – 0.34) / 0.43). BLUETTI’s AC200L matches the Mega 2’s 2,048 Wh at 2,400 W (3,000 cycles), and the Apex 300 reaches 3,840 W at 2,765 Wh. The OUPES Mega 2 Pro repeats the Mega 2’s 2,048 Wh and 2,500 W at $0.37 per Wh; OUPES rates it for 4,000 cycles and lists a 3,600 W boost mode but no surge figure (spec page checked October 2026).

Over 3,000 Wh: home backup

BLUETTI’s Elite 400 is the brand’s largest station at 3,840 Wh and $0.34 per Wh. BLUETTI’s spec page (checked October 2026) lists 2,600 W of output, a 5,200 W surge, 1,000 W of solar input and a 5-year warranty, but no cycle rating. The largest station on either side is OUPES’s Guardian 6000 V2: OUPES lists 4,608 Wh, 6,000 W at 240 V (3,600 W at 120 V), a 9,000 W surge and 4,000 cycles (spec page checked October 2026).

Where each brand wins and loses

BLUETTI wins

• Cycle life: the Elite 200 V2, Apex 300 and Elite 300 are rated 6,000; no OUPES station tops 4,000.
• Small stations: the range starts at 128 Wh (Elite 10 Mini) against OUPES’s 288 Wh, and at 288 Wh the Elite 30 V2 lists 600 W of output and 380 W of AC charging against the Exodus 350’s 350 W and 200 W.

OUPES wins

• Cost per Wh: $0.37 median against $0.49; $0.34 against $0.43 at about 2,050 Wh; and $0.69 against $0.89 at about 500 Wh (Exodus 700 against AC50B, October 2026 maker list prices).
• Cycle rating under 700 Wh: 4,000 on both Exodus models against 3,000 on the Elite 30 V2 and AC50B.
• Surge: 4,500, 5,400 and 7,000 W (Mega 1, 2, 3) against 3,600 W (Elite 100 V2), 3,900 W of lifting power (Elite 200 V2, which lists no surge figure) and 4,800 W (Elite 300).
• Output at equal capacity: 2,000 against 1,800 W at 1,024 Wh; 3,600 against 2,400 W at about 3,000 Wh. At about 2,050 Wh it is close and BLUETTI’s: 2,600 W (Elite 200 V2) against 2,500 W (Mega 2).
• Consistency: every current OUPES station on this page, the two Exodus models included, is LiFePO4.

Level: both list five-year warranties on their main stations, median cycle rating is 3,500 on both sides, and above 3,000 Wh cost per Wh is a near tie: $0.34 (Elite 400), $0.36 (Elite 300), $0.37 (Mega 3).

Who should buy which

• A fridge and essentials through an outage. The fridge guide puts a full-size fridge at roughly 1,000 to 2,000 Wh a day, and a 2,048 Wh station delivers about 1,740 Wh after a 15% conversion allowance (2,048 × 0.85). Take the Mega 2 for the lowest cost, or the Elite 200 V2 for its 6,000-cycle rating. The sizing guide covers the arithmetic.
• A CPAP, router and phones. The CPAP guide plans on about 320 Wh a night with the humidifier off and 640 Wh with it on, drawn from an AC outlet. Below 1,024 Wh, the BLUETTI AC70 (768 Wh, $0.47 per Wh) yields about 650 Wh after the same allowance, one night at the top of that range, while the Elite 100 V2 or Mega 1 leaves headroom. For humidifier-off nights, the Exodus 700 (about 490 Wh after the allowance) and AC50B (about 380 Wh) both cover the 320 Wh plan. If the CPAP or router stays plugged in through outages, check the UPS rows: switchover is listed at 10 to 20 ms.
• Solar charging. BLUETTI publishes 1,000 to 1,200 W of solar input on the Elite 100 V2, AC200L, Elite 200 V2, Elite 300 and Apex 300. OUPES lists 800 W for the Mega 1 and Mega 1 Lite, 2,100 W for the Mega 2 and Mega 3, 1,000 W for the Mega 2 Pro and 3,600 W for the Guardian 6000 V2. See sizing a solar system.
• Backup for heavy loads. Output is the constraint. The Mega 3 lists 3,600 W (7,000 W surge) at 3,072 Wh and $0.37 per Wh; the Apex 300 lists 3,840 W at 2,765 Wh and $0.69. BLUETTI rates it for 7,680 W of lifting power, for pure resistive loads, and gives no surge figure. Its UPS switchover is listed at 0 or 20 ms depending on setup; 0 ms needs grid power through the 15 A charging cable, 240 V output and loads on the left two AC outlets (spec page checked October 2026). Read home battery backup and can a solar generator power a house first.

Questions

Is OUPES actually cheaper than BLUETTI?

Only in part. Match for match, OUPES wins at about 500 Wh ($0.69 against $0.89, October 2026 maker list prices) and about 2,050 Wh ($0.34 against $0.43). It is close to a tie at 288 Wh ($1.04 against $1.01) and about 3,000 Wh ($0.37 against $0.36). At 1,024 Wh the Mega 1 costs more per Wh than the Elite 100 V2 ($0.68 against $0.49); compare the Amazon-listed Mega 1 Lite’s price there.

Can I add batteries to either?

Yes, on both sides. The BLUETTI expansion batteries we track are B300K and B500K versions, and the current stations they name are the AC200L and Apex 300. For OUPES we track B2, B5 and G5 packs: the B2 names the Mega 1, 2 and 3, and OUPES lists the Mega 2 Pro as expandable to 10.24 kWh with four B2 packs and the Guardian 6000 V2 to 41.4 kWh (spec pages checked October 2026). OUPES’s B2 bundles of 3,072, 4,096 and 5,120 Wh are each a Mega station plus one 2,048 Wh pack, so read them as combined totals. Check compatibility on the maker’s page.