Anker SOLIX C300 DC
#17 in SmallFull review
For travelers and campers who only need to charge USB-C and 12V devices and want the lightest 288 Wh option.
Amazon $199.98 Anker$199.98
The Anker SOLIX C300 DC and the Anker SOLIX C300 are evenly matched, rated 3.5 and 3.4. The Anker SOLIX C300 DC leads on value and portability. The Anker SOLIX C300 wins on AC output, features and battery life. The Anker SOLIX C300 DC costs $130.01 less ($199.98 vs $329.99).
Anker SOLIX C300
#18 in SmallFull review
For campers and travelers who mainly charge laptops, phones and cameras and want a few AC outlets in a small, light unit.
Amazon $329.99$329.99
Prices 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 Anker SOLIX C300 DC for value ($0.69 per rated Wh vs $1.15 per rated Wh) and portability (103 Wh per kg (6.2 lb (2.8 kg)) vs 70 Wh per kg (9.1 lb (4.1 kg))).
- Choose the Anker SOLIX C300 for AC output (300 W continuous AC vs No AC outlets (DC only)), features (UPS (10 ms), 140 W USB-C, app vs 140 W USB-C) and battery life (LiFePO4, 3,000 cycles, 5-year warranty vs LiFePO4, 3,000 cycles, 3-year warranty).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every small portable power station; a clear win is highlighted. How we rank explains each one.
| Factor weight | Anker SOLIX C300 DC | Anker SOLIX C300 |
|---|---|---|
| Overall rating | 3.5/5 | 3.4/5 |
| Value 25% | 79 $0.69 per rated Wh | 39 $1.15 per rated Wh |
| Tested capacity 15% | 50 not yet independently tested (neutral score used) | 45 80% of rated capacity delivered (1 test) |
| Battery life 15% | 81 LiFePO4, 3,000 cycles, 3-year warranty | 91 LiFePO4, 3,000 cycles, 5-year warranty |
| AC output 15% | 0 No AC outlets (DC only) | 41 300 W continuous AC |
| Charging speed 10% | 50 full AC charge time not published (neutral score used) | 93 0-100% on AC in 1 h 3 min |
| Portability 10% | 100 103 Wh per kg (6.2 lb (2.8 kg)) | 45 70 Wh per kg (9.1 lb (4.1 kg)) |
| Solar input 5% | 23 100 W max solar input | 23 100 W max solar input |
| Features 5% | 20 140 W USB-C | 75 UPS (10 ms), 140 W USB-C, app |
Independent capacity tests
Anker SOLIX C300 DC
No independent test published yet.
Anker SOLIX C300
| Tested by | Usable AC energy | Of rated | Conditions |
|---|---|---|---|
| OutdoorGearLab | 230 Wh | 80% | AC output test; load not stated in the review. Measured charging speed 274 Wh/hr. |
Specifications
| Anker SOLIX C300 DC | Anker SOLIX C300 | |
|---|---|---|
| Battery | ||
| Rated capacity | 288 Wh | 288 Wh |
| Tested usable capacity | - | 230 Wh (80%) |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycle life | 3,000 to 80% | 3,000 to 80% |
| Expandable | No | No |
| Output | ||
| AC output | None (DC only) | 300 W (600 W surge) |
| AC outlets | 0 | 3 total |
| 120V 15A outlets (NEMA 5-15R) | - | 3 |
| USB-C ports | 4 (up to 140 W each) | 3 (up to 140 W each) |
| USB-A ports | 2 | 1 |
| 12 V car outlet | Yes | Yes |
| UPS / pass-through | - | Yes (10 ms switchover) |
| Charging | ||
| AC charging | - | 330 W |
| Full AC charge time | - | 1 h 3 min (measured by OutdoorGearLab; Anker states 80% in 50 minutes) |
| Max solar input | 100 W | 100 W |
| Solar input voltage | 11-28V | 11-28V |
| Build | ||
| Weight | 6.2 lb (2.8 kg) | 9.1 lb (4.1 kg) |
| Dimensions | 4.89 x 4.72 x 7.87 in | 6.46 x 6.34 x 9.45 in |
| App | - | Anker app |
| Warranty | 3 years | 5 years |