The OUPES Mega 1 is a mid-size portable power station built around a ~1 kWh LiFePO₄ battery and a high-output inverter. It’s designed for users who want more inverter headroom than typical 1000Wh units, while keeping overall size and complexity manageable.
This buyer’s guide is based on manufacturer specifications, published documentation, and typical real-world performance for this class of power station.
Disclosure: This is an informational buyer’s guide. No hands-on testing is implied.
What It Is
The OUPES Mega 1 is a portable power station from OUPES featuring a ~1024Wh LiFePO₄ battery paired with a 2000W pure sine wave inverter. Compared to many 1 kWh competitors, it prioritizes higher AC output, making it more suitable for appliances and power tools rather than electronics-only use.
It fits into the category of mid-range, appliance-capable portable power stations.
Quick Verdict
Buy it if you need:
- Around 1 kWh of battery capacity with strong inverter headroom
- The ability to run appliances with higher startup loads
- A single-box solution for camping, RVs, or short outages
Skip it if you want:
- A lightweight, travel-first power station
- Multi-day home backup
- Expandable battery capacity
Specifications
| Specification | Value |
|---|---|
| Battery Capacity | 1024Wh |
| Inverter Power | 2000W (pure sine) / 4500W surge |
| Battery Type | LiFePO₄ (>3,500 cycles to 80%) |
| Weight | 27.8 lbs |
| Charging Methods | AC (1400W fast / 700W slow), Solar (800W MPPT), Car (12–15V/8A), AC+Solar up to 2200W |
| Expandability | Up to 5.12kWh with two B2 batteries |
| UPS/EPS | <20 ms switchover (2000W) |
| Ports | 4× AC (120V/20A), 2× USB-C (100W PD), 4× USB-A (18W), 2× DC5521, 1× Car port |
| Dimensions | 15.1 × 9.1 × 11.6 in |
| App Control | Wi-Fi + Bluetooth (OUPES App) |
| Protection | IP21, 5-year warranty (extendable) |
What Can the OUPES Mega 1 Power?
Short answer: Most small-to-mid appliances and electronics for several hours.
Typical real-world examples:
- Refrigerator or chest freezer (short outages, intermittent runtime)
- Microwave, coffee maker, or toaster (short-duration use)
- Power tools such as drills or saws (within inverter limits)
- TVs, lights, fans, and home networking gear
- CPAP machines and medical devices
With ~1 kWh of capacity, this unit is best for short outages, RV trips, and campsite appliance use, not overnight whole-home backup.
Charging Options & Expected Times
The Mega 1 supports multiple charging methods:
- AC Wall Charging: ~1.5–2.5 hours
- Solar Charging: Up to ~400–500W; ~3–6 hours in strong sun
- Vehicle Charging: Slow, supplemental charging
Actual charging time depends on input limits, panel size, and environmental conditions.
Day-to-Day Use
- Portability: Heavier than compact units, but manageable for short moves
- Setup: Plug-and-play with minimal configuration
- Display: LCD shows battery percentage, input, and output
- Noise: Quiet at low loads; fan activates under heavy draw or fast charging
- Indoor Use: Suitable for indoor emergency power (no emissions)
Pros & Cons
Pros
- High 2000W inverter for a 1 kWh unit
- LiFePO₄ battery with long cycle life
- Capable of running real appliances, not just electronics
- Reasonable solar input for its size class
- Simple, all-in-one design
Cons
- No battery expansion
- Limited runtime for long outages
- Heavier than typical 1000Wh camping units
- Not weather-sealed for outdoor exposure
Comparisons
| Model | Battery Capacity | AC Output | Weight Class | Best For |
|---|---|---|---|---|
| OUPES Mega 1 | ~1024Wh | 2000W | Medium | Appliance-capable 1 kWh use |
| OUPES Exodus 1500 | ~1488Wh | ~1500W | Heavier | Longer runtimes, lower output |
| OUPES Exodus 2400 | ~2232Wh | ~2400W | Heavy | Home backup & RV power |
Runtime Calculator
Formula:
Battery capacity (Wh) × 0.85 ÷ load (W) = estimated runtime (hours)
Examples:
- 500W refrigerator load: ~1.7 hours continuous (longer with cycling)
- 1000W appliance: ~0.9 hours
- 150W networking + lights: ~5.8 hours
Use this calculator to estimate how long the Mega 1 can support your essential devices.
Final Takeaway
The OUPES Mega 1 is best suited for users who want strong inverter output in a 1 kWh-class power station, making it more appliance-friendly than many similarly sized units. It’s a practical option for camping, RV trips, and short outages, but its fixed capacity means it’s not intended for extended home backup.
- REVOLUTIONARY FAST-CHARGING TECHNOLOGY: Experience industry-leading recharge speeds with 0-80% capacity in just 36 minutes via AC, or an…
- MODULAR EXPANSION CAPABILITY: Create a custom power ecosystem by connecting up to two B2 Extra Batteries, scaling your capacity from 1024Wh to an…
- PROFESSIONAL-GRADE POWER DELIVERY: Delivering consistent 2000W continuous output (4500W surge) through premium AC outlets with pure sine wave…
FAQs
Does it support UPS backup?
Yes, it has <20 ms switchover for loads up to 2000W.
Can I expand the storage?
Yes, up to two B2 batteries can be added, reaching 5.12kWh.
How fast is solar charging?
With 800W input, recharge time is around 1.3 hours in peak sun.
What’s the warranty?
The unit comes with a 5-year warranty, with an extra year if registered.
Last update on 2026-02-08 / Affiliate links / Images from Amazon Product Advertising API