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Anker SOLIX C300X

Portable power station · Home Backup fit profile

Scenario gate not met

Not rated: capacity, continuous output does not meet this scenario's assessment criteria.

Capacity288 Wh
AC output300 W
Surge600 W
Solar input100 W
Weight4.1 kg
Evidence
Manufacturer-controlled
Model
SOLIX C300X
Reviewed
2026-10-22
Anker SOLIX C300X product image 1 / 2

At a glance

Bottom Line

Not rated: capacity, continuous output does not meet this scenario's assessment criteria.

Strengths

Practical advantages

  • Battery chemistryUses LFP battery chemistry.
  • Short-outage continuitySupports UPS/EPS operation for compatible connected equipment.
  • Motor-start headroomAllows brief peaks up to 600 W for compatible starting loads.
  • Sustained AC powerSustains 300 W for compatible home essentials.
  • Useful stored energyStores 288 Wh for essential home loads without promising a fixed runtime.

Tradeoffs

Supported limitations

No notable limits for this use are supported by the available facts.

Evidence gaps

What remains unknown

  • expanded capacity

Best for

Scenario fit

Consider it when a bidirectional USB-C port is useful and 288 Wh / 300 W are sufficient; the stated 10 ms UPS mode has specific AC conditions.

CampingConditional fit · 90% coverageAt 4.1 kg, it is easier to move between a vehicle, tent or tailgate.
RVGate not met · 61% coverageNot rated: continuous output does not meet this scenario's assessment criteria.Missing: expanded capacity, single-base 240 V output
Home BackupGate not met · 80% coverageNot rated: capacity, continuous output does not meet this scenario's assessment criteria.Missing: expanded capacity
EmergencyLimited fit · 85% coverage
CPAPConditional fit · 75% coverageAt 4.1 kg, it is easier to move between home and travel.Missing: 12 V / car DC output

Key facts

Core specifications

CAPACITY

288 Wh

Rated capacity

Continuous

300 W

Continuous

SURGE

600 W

Peak capability

SOLAR INPUT

100 W

Maximum

WEIGHT

4.1 kg

BATTERY

LFP

Recharge paths

Charging specifications

AC INPUT

330 W

Maximum

SOLAR INPUT

100 W

Maximum

Power and connections

Output specifications

AC OUTPUT

300 W

Continuous

SURGE

600 W

Peak capability per manufacturer

AC output voltage

120 V

AC output frequency

60 Hz

Portability

Size the move

PRODUCT WEIGHT

4.1 kg

Manufacturer-published weight

UPS / EPS

Transfer behavior

UPS / EPS

Supported

For compatible connected equipment

UPS / EPS transfer time

=10 ms

Product page markets 10ms; US guide says 10ms.

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