Anker SOLIX C300X
288 Wh, 300 W
Aferiy P040 (Nomad400)
Power station. Specs from the manufacturer page (checked ).
The AFERIY P040 is a 256 Wh portable power station with 400 W continuous AC output and 800 W surge output. It uses a LiFePO4 battery rated for 4000+ charge/discharge cycles to 85%, and it has a UPS function that switches automatically in under 10 ms.
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Capacity
256Wh
Continuous
400W
Peak / surge
800W
Solar input
120W
Chemistry
LiFePO4
Weight
4kg
Warranty
7yr
Key features
- 2 AC outlets, 100–120V, 50Hz/60Hz, 400W total, pure sine wave
- AC wall charging up to 300W, about 1.2 hours from 0% to 100%
- Solar input up to 120W through the DC5521 port, 11.5–30V, max 8A
- Car outlet charging typically 90–120W via the DC5521 input port
- Ports: 1 USB-A QC 3.0 (18W), 1 USB-C (20W), 1 USB-C PD (100W), 1 car outlet (12V/10A)
- UPS automatic switching within 10ms
- Protection against overload, short-circuit, high/low temperature, and low-temperature charge/discharge
What it is for
- UPS backup for connected devices during sudden power interruptions
Specifications
| Capacity | 256 Wh |
|---|---|
| Continuous output | 400 W |
| Peak / surge | 800 W |
| Solar input | 120 W |
| Battery chemistry | LiFePO4 |
| AC charging | About 1.2 Hours from 0% to 100% |
| AC output voltage | 100–120V |
| Weight | 4 kg (8.8 lb) |
| Dimensions | 25.9 × 17.4 × 20.1 cm (10.2 × 6.9 × 7.9 in) |
| Warranty | 7 years |
From the Aferiy page. Values the manufacturer does not publish are left out.
What is in the box
- 1 × AFERIY P040 Portable Power Station
- 1 × AC Charging Cable
- 1 × MC4-to-DC5521 Solar Charging Cable
- 1 × User Manual
How long it runs common appliances
| Appliance | Watts | Runs? | Hours |
|---|---|---|---|
| Refrigerator (with freezer) | 120 W (600 start) | yes | 4.8 h |
| Chest freezer | 100 W (500 start) | yes | 6.8 h |
| CPAP (no humidifier) | 35 W (40 start) | yes | 5.8 h |
| Gas boiler (pump + controls) | 120 W (300 start) | yes | 3.4 h |
| Wi-Fi router + modem/ONU | 12 W | yes | 17 h |
| Starlink (standard dish) | 60 W (100 start) | yes | 3.4 h |
| TV 50" | 75 W | yes | 2.7 h |
| Sump pump 1/2 HP | 920 W (2150 start) | surge too high | — |
| Well pump 1/2 HP | 880 W (2000 start) | surge too high | — |
| Space heater 1500 W | 1500 W | surge too high | — |
Assumes 88 % inverter efficiency, 90 % usable capacity and typical duty cycles. Build your own list in the calculator.
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Aferiy P040 (Nomad400) comparisons
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All 19 comparisons
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Connection and wiring
Follow the diagrams in the Aferiy manual.
Open the Aferiy manual (PDF) →
Error codes and troubleshooting
We found no error-code table in this manual. Its troubleshooting section is the reference.
FAQ
How long will the Aferiy P040 (Nomad400) run a refrigerator?
About 5 hours for a typical 120 W refrigerator that runs 35 % of the time, after inverter and depth-of-discharge losses.
Can the Aferiy P040 (Nomad400) start a sump pump or well pump?
Starting surge matters more than running watts: this unit is rated 800 W peak. That is below a typical 1/2 HP sump pump start (about 2150 W); check your pump label. Use the calculator with your exact pump.