A small, inexpensive LiFePO4 box for phones, laptops, CPAP and camp lights. Pick it for portability, not for running appliances.
Amazon $139.98 VTOMAN $269.99
A DC-only station for car camping with a 12V cooler and USB devices. Good value if you never need a wall outlet.
- 288 WhCapacity
- None (DC only)AC output
- 5.7 lbWeight
- LiFePO4Battery
- $0.55Price / Wh
Price checked October 20, 2026. As an Amazon Associate we earn from qualifying purchases.
- A 12V car socket runs a portable fridge or tire inflator directly
- Refills in about an hour using both 140W USB-C ports
- Very low idle drain, so it holds charge between trips
- No AC outlets; anything with a wall plug needs a separate inverter
- Solar and car input limited to 110W, a full sunny day to refill
- No app
How it scores
The rating comes from 8 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
Specifications
| Battery | |
|---|---|
| Rated capacity | 288 Wh |
| Chemistry | LiFePO4 |
| Expandable | No |
| Output | |
| AC output | None (DC only) |
| AC outlets | 0 |
| USB-C ports | 2 (up to 140 W each) |
| USB-A ports | 2 |
| 12 V car outlet | Yes |
| DC5521 ports | 0 |
| UPS / pass-through | No |
| Charging | |
| Max solar input | 110 W |
| Car charging | 110 W |
| Build | |
| Weight | 5.7 lb (2.6 kg) |
| Dimensions | 6.57 x 4.53 x 6.54 in |
| App | False |
| Warranty | 3 years |
Alternatives in this size
For hikers and travelers who need a light LiFePO4 battery for phones, cameras and laptops, not a power station for appliances.
Amazon $129.98For campers and tailgaters who want a small, weather-resistant battery for phones, lights, laptops and a CPAP, and who don’t need to run anything over 350W.
Amazon $349.95 Goal Zero $349.95 BioLite $349.95Compare
Compare the EcoFlow TRAIL 300 DC with any other portable power station →
More from EcoFlow: every EcoFlow product ranked.