BLUETTI · Large (1,500 to 3,499 Wh)
BLUETTI Apex 300
A large unit, 2,765 Wh, 3,840 W, 83.8 lb, $1,699 ($0.61 per Wh). It clears every job on this site, from a night of CPAP to a day of home backup.
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Should you buy it?
Buy it for: a day of home backup (a full-size refrigerator, a router, phones and lights for a day); a night of CPAP (a CPAP with its humidifier for one 8-hour night); two nights of camping (a compressor cooler, lights, phones, a laptop and a fan for two nights); a day in an RV (a 12 V fridge, lights, TV, coffee maker, phones and a laptop for a day); a working day in a van (a working day of laptop, Starlink, fridge, lights and a fan); a laptop and two phones (a laptop for six hours and two phone charges).
At $0.61 per watt-hour compare its cost with the charging speed and carry weight you need. It stores 33 Wh per pound. 18 other current units share its size class; the nearest four by capacity are compared below.
What it runs, and for how long
Hours = capacity × 0.85 ÷ device watts, with the draws from the device table.
| Device | Draw W | Hours | Can it start it? |
|---|---|---|---|
| CPAP machine (no heated humidifier) (without humidifier) | 45 | 52.2 | yes |
| CPAP machine (with heated humidifier) (with heated humidifier) | 53 | 44.3 | yes |
| Refrigerator (full-size, ENERGY STAR, ~18 cu ft top freezer) (average draw, compressor cycling) | 41 | 56.9 | yes |
| Laptop (MacBook Air, charging) (charger rating, continuous) | 40 | 58.8 | yes |
| Wi-Fi router | 24 | 97.9 | yes |
| Starlink Standard kit (dish + router) | 88 | 26.9 | yes |
| TV, 50-inch LED / Crystal UHD | 89 | 26.4 | yes |
| Camp LED light set (4 chainable lights) (one bulb) | 6 | 373 | yes |
At a glance
3.5 / 5
| Criterion | Score | Why |
|---|---|---|
| Fit for the job | 4.0 | Clears all 6 jobs on this site; starts 16 of the 16 devices in the table |
| Value per watt-hour | 2.6 | $0.61 per Wh, 14th lowest of 19 large units |
| Portability | 2.6 | 83.8 lb, 18th lightest of 19 large units |
| Recharge speed | 3.7 | 2,400 W of solar input, about 1.2 hours of full sun to refill; 3,840 W from the wall |
| Chemistry and cycle life | 4.7 | LiFePO4, rated 6,000 cycles to 80% |
| Expandability | 4.2 | Grows to 19,354 Wh with extra batteries; 20 ms UPS switchover |
| Owner-reported reliability | 3.0 | Fan noise, app, firmware, failures and warranty handling across 3 reviews, which disagree |
Full spec sheet
| Capacity | 2,765 Wh |
|---|---|
| Chemistry | LiFePO4 |
| Rated cycle life | 6,000 to 80% |
| Expandable | yes, to 19,354 Wh |
| Continuous AC output | 3,840 W |
|---|---|
| Surge (peak) output | – |
| AC outlets | 6 |
| USB-C ports / highest output | 0 / – |
| USB-A ports | 0 |
| 12 V outputs | 0 |
| Wireless charging pad | no |
| UPS / EPS switchover | 20 ms |
| Max AC input | 3,840 W |
|---|---|
| Wall recharge time | 45 min to 80% |
| Max solar input | 2,400 W |
| Stated solar recharge time | – |
| App control | yes |
| Weight | 83.8 lb (38 kg) |
|---|---|
| Dimensions | 20.67 x 12.87 x 12.6 in (525 x 327 x 320 mm) |
| Wh per lb | 33 |
| Release year | – |
| Warranty | 5 years |
| List price | $1,699 |
|---|---|
| Store price | $1,699 |
| Price per Wh | $0.61 |
Before using the battery's cycle rating to judge value, read what LiFePO4 versus NMC means for lifespan and weight.
The solar-input wattage alone does not establish panel compatibility. Check how to match panel watts, voltage and connectors, then confirm the limits in this unit's manual.
Alternatives at this size
Listed smallest to largest by capacity; this unit is among them.
| Unit | Overall score | Wh | Output W (surge) | lb | Solar in W | Chemistry | Cycles | Price $ | $ / Wh | Store |
|---|---|---|---|---|---|---|---|---|---|---|
| Anker SOLIX F2600 | 3.4 | 2,560 | 2,400 W (2,800 surge) | 69.7 | 1,000 | LiFePO4 | 3,000 to 80% | $1,500 | $0.59 | See it at Anker SOLIXCheck price on Amazon |
| BLUETTI Apex 300 | 3.5 | 2,765 | 3,840 W | 83.8 | 2,400 | LiFePO4 | 6,000 to 80% | $1,699 | $0.61 | See it at BLUETTICheck price on Amazon |
| BLUETTI Elite 300 | 3.5 | 3,014 | 2,400 W (4,800 surge) | 58 | 1,200 | LiFePO4 | 6,000 to 80% | $1,499 | $0.50 | See it at BLUETTICheck price on Amazon |
| Anker SOLIX F3000 | 4.1 | 3,072 | 3,600 W (7,200 surge) | 91.5 | 2,400 | LiFePO4 | 4,000 to 80% | $1,500 | $0.49 | See it at Anker SOLIXCheck price on Amazon |
| EcoFlow DELTA 3 Ultra | 3.9 | 3,072 | 3,600 W (7,200 surge) | 72.1 | 800 | LiFePO4 | – | $1,399 | $0.46 | See it at EcoFlow |
See it at BLUETTICheck price on AmazonEvery current BLUETTI unitDoes it hold enough for your devices?
Sources
- specs: bluettipower.com, 2026-09-06
- specs (manual PDF, p.26-27 and UPS section): s4.bluettipower.com, 2026-09-06
- warranty_years: bluettipower.com, 2026-09-06
- price: bluettipower.com, 2026-09-06
- independent test: TheSolarLab
- independent test: Notebookcheck, 2025-08-10
- independent owner report: Diysolarforum, 2025-05-20
- How the figures and scores are made