A light, quiet 1kWh LiFePO4 station with best-in-class solar input, well suited to van builds, camping and CPAP use.
Amazon $499 BLUETTI $499The BLUETTI Elite 100 V2 is the better portable power station overall, rated 4.3 to 4.1. The BLUETTI Elite 100 V2 leads on tested capacity, portability and solar input. The OUPES Mega 1 wins on battery life and features. The OUPES Mega 1 costs $32.35 less ($466.65 vs $499).
A strong 1kWh home-backup station with a big inverter and room to expand, often sold well below list price on Amazon.
Amazon $466.65 OUPES $699Prices were last checked October 20, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the BLUETTI Elite 100 V2 for tested capacity (87% of rated capacity delivered (1 test) vs 79% of rated capacity delivered (1 test)), portability (89 Wh per kg (25 lb (11.5 kg)) vs 81 Wh per kg (27.8 lb (12.6 kg))) and solar input (1,000 W max solar input vs 800 W max solar input).
- Choose the OUPES Mega 1 for battery life (LiFePO4, 3,500 cycles, 5-year warranty vs LiFePO4, 4,000 cycles) and features (UPS (20 ms), expandable, 100 W USB-C, app vs UPS (10 ms), 140 W USB-C, app).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every mid-size portable power station; a clear win is highlighted. How we rank explains each one.
| Factor weight | BLUETTI Elite 100 V2 | OUPES Mega 1 |
|---|---|---|
| Overall rating | 4.3/5 | 4.1/5 |
| Value 25% | 82 $0.49 per rated Wh | 86 $0.46 per rated Wh |
| Tested capacity 15% | 77 87% of rated capacity delivered (1 test) | 41 79% of rated capacity delivered (1 test) |
| Battery life 15% | 85 LiFePO4, 4,000 cycles | 96 LiFePO4, 3,500 cycles, 5-year warranty |
| AC output 15% | 82 1,800 W continuous AC | 88 2,000 W continuous AC |
| Charging speed 10% | 50 full AC charge time not published (neutral score used) | 50 full AC charge time not published (neutral score used) |
| Portability 10% | 80 89 Wh per kg (25 lb (11.5 kg)) | 66 81 Wh per kg (27.8 lb (12.6 kg)) |
| Solar input 5% | 97 1,000 W max solar input | 74 800 W max solar input |
| Features 5% | 75 UPS (10 ms), 140 W USB-C, app | 100 UPS (20 ms), expandable, 100 W USB-C, app |
Independent capacity tests
BLUETTI Elite 100 V2
| Tested by | Usable AC energy | Of rated | Conditions |
|---|---|---|---|
| OutdoorGearLab | 890 Wh | 87% | Light-bar load bank at roughly 80% of rated AC output, 100% to shutdown. Measured standard charging rate 512 Wh/hr (about 2 hr from empty) without turbo mode. |
OUPES Mega 1
| Tested by | Usable AC energy | Of rated | Conditions |
|---|---|---|---|
| The Solar Lab | - | 79% | 1,779W appliance load ran for 27 minutes. |
Specifications
| BLUETTI Elite 100 V2 | OUPES Mega 1 | |
|---|---|---|
| Battery | ||
| Rated capacity | 1,024 Wh | 1,024 Wh |
| Tested usable capacity | 890 Wh (87%) | 809 Wh (79%) |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycle life | 4,000 to 80% | 3,500 to 80% |
| Expandable | - | Yes, up to 5,120 Wh |
| Output | ||
| AC output | 1,800 W (3,600 W surge) | 2,000 W (4,500 W surge) |
| Boost mode (resistive loads) | 2,700 W | - |
| AC outlets | 4 total | 4 total |
| 120V 20A outlets (NEMA 5-20R) | 4 | 4 |
| USB-C ports | 2 (up to 140 W each) | 2 (up to 100 W each) |
| USB-A ports | 2 | 4 |
| 12 V car outlet | Yes | Yes |
| DC5521 ports | 2 | 2 |
| UPS / pass-through | Yes (10 ms switchover) | Yes (20 ms switchover) |
| Charging | ||
| AC charging | 1,200 W | 1,400 W |
| Max solar input | 1,000 W | 800 W |
| Solar input voltage | 12-60V, 20A max | 12-78V (MPPT 18-75V, 14A) |
| Build | ||
| Weight | 25 lb (11.5 kg) | 27.8 lb (12.6 kg) |
| Dimensions | 12.6 x 8.5 x 9.8 in | 15.1 x 9.1 x 11.6 in |
| App | Wi-Fi + Bluetooth | OUPES app (Wi-Fi/Bluetooth) |
| Warranty | - | 5 years |
| Released | 2025-07 | - |
