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Review Home backup batteries

Anker SOLIX F3800 Plus review: buy or skip?

Buy8.6/10 research score

Quick answer

Buy it, if you want strong home backup with expansion. Why: 3.84 kWh station with 6 kW output and 240 V. The catch: heavy.

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Anker SOLIX F3800 Plus

Our verdict on the Anker SOLIX F3800 Plus

Buy it if
you want strong home backup with expansion.
Skip it if
you want a portable unit.
Best for
Home backup
Key feature
3.84 kWh station with 6 kW output and 240 V
Typical price
$2,999–$3,999
Check Price on Amazon Paid link

Key specifications

Capacity3,840 Wh
Output6,000 W (120/240 V)
Expandable to53.8 kWh
BatteryLiFePO4

Who should buy it, and who should skip it

A good fit if you

  • you want strong home backup with expansion
  • value 6,000 W output
  • can spend around $2,999–$3,999

Skip it if you

  • you want a portable unit
  • mind this: heavy
  • mind this: expensive

Pros and cons

Pros

  • 6,000 W output
  • 240 V
  • Expandable to 53.8 kWh
  • Wheels

Cons

  • Heavy
  • Expensive

The verdict in one breath

The Anker SOLIX F3800 Plus is a home backup battery we would point most people to. What earns it the buy: 3.84 kWh station with 6 kW output and 240 V. In our list it is the pick for: home backup.

Reasons to buy

  • 6,000 W output
  • 240 V
  • Expandable to 53.8 kWh
  • Wheels

Reasons to skip

  • Heavy
  • Expensive

The specs that matter

  • Capacity: 3,840 Wh
  • Output: 6,000 W (120/240 V)
  • Expandable to: 53.8 kWh
  • Battery: LiFePO4

Worth knowing

Can connect to Anker’s home power panel.

Buy it or skip it?

Buy it if you want strong home backup with expansion. Skip it if you want a portable unit; the EcoFlow DELTA Pro 3 is the better buy then. Everything else is in our list of the best home backup batteries.

Alternatives worth considering

EcoFlow DELTA Pro 3

EcoFlow · Home backup batteries

EcoFlow DELTA Pro 3

Buy it if you want backup for well pumps and big appliances.

Verdict
Buy
Best for
Whole-home ready
Typical price
$2,999–$3,999

Pros

  • 240 V output
  • Expandable to 48 kWh

Cons

  • Heavy
Anker SOLIX F3800

Anker · Home backup batteries

Anker SOLIX F3800

Buy it if you want 240 V backup for less than the Plus.

Verdict
Buy
Best for
Value 240 V
Typical price
$2,499–$3,299

Pros

  • 240 V
  • 6,000 W

Cons

  • Heavy

Frequently asked questions

Should I buy the Anker SOLIX F3800 Plus?

Buy it, if you want strong home backup with expansion. Why: 3.84 kWh station with 6 kW output and 240 V. The catch: heavy.

When should I skip it?

Skip it if you want a portable unit. The EcoFlow DELTA Pro 3 is the better buy then.

What does the Anker SOLIX F3800 Plus cost?

Usually $2,999–$3,999 on Amazon.com. It tends to dip during Prime Day and Black Friday.

Buyrskip Editorial Team

Part of the Buyrskip research team. We compare specifications, documentation and real-world trade-offs so you can decide faster.

Anker SOLIX F3800 Plus: the full buy-or-skip review

Is the Anker SOLIX F3800 Plus worth buying? Short answer: buy it, if you want strong home backup with expansion. This review explains what this Anker model gets right, where it falls short, what it usually costs in the US and which home backup battery to buy instead if it is not the right fit for you.

What the Anker SOLIX F3800 Plus does well

The headline: 3.84 kWh station with 6 kW output and 240 V. Key specs: Capacity: 3,840 Wh; Output: 6,000 W (120/240 V); Expandable to: 53.8 kWh; Battery: LiFePO4. In our list it is the pick for: home backup. It usually sells for $2,999–$3,999.

Can connect to Anker's home power panel.

The trade-offs

Good: 6,000 W output, 240 V, expandable to 53.8 kWh, wheels. Not so good: heavy, expensive. Read the skip-if line before you order: skip it if you want a portable unit.

What to buy instead

Instead, consider the EcoFlow DELTA Pro 3 ($2,999–$3,999): 4 kWh expandable station with 240 V output. Better if you want backup for well pumps and big appliances.

Instead, consider the Anker SOLIX F3800 ($2,499–$3,299): 3.84 kWh station with 240 V. Better if you want 240 V backup for less than the Plus.

Instead, consider the Jackery Explorer 5000 Plus ($3,999–$4,999): 5 kWh station with 7.2 kW output. Better if you want a large, simple backup.

Before you buy

Output: 3,000 W or more (and 240 V on some models) is needed for well pumps, sump pumps and central air. Expansion: extra battery packs let you grow from 3–4 kWh to 10+ kWh as needs change. Connection: a transfer switch or smart panel, installed by an electrician, lets the battery power home circuits safely.

US buyer tip

Battery storage may qualify for the federal residential clean energy tax credit when installed as part of a home system; check current rules with a tax professional before you buy.

Prices on Amazon.com move in a pattern. The deepest cuts land on Prime Day in July, Prime Big Deal Days in October and the Black Friday to Cyber Monday week, with smaller drops around Presidents Day, Memorial Day, the Fourth of July and back-to-school. Judge a deal against the usual price we show, never against the crossed-out list price.

Order from Amazon itself or the brand's official storefront so the US manufacturer warranty applies, keep your order confirmation and register the product with the brand. Most items can be returned within 30 days, and holiday purchases often get an extended return window into January.