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Anker SOLIX F3800 Plus vs UDPOWER S1200

Comparing Anker SOLIX F3800 Plus vs UDPOWER S1200: Anker SOLIX F3800 Plus scores 9.2/10 and UDPOWER S1200 scores 8.9/10 in our benchmark testing. Anker SOLIX F3800 Plus wins overall — Anker SOLIX F3800 Plus scores higher on power and features while UDPOWER S1200 offers better value.

Anker SOLIX F3800 Plus (3840Wh) vs UDPOWER S1200 (1190Wh) compared spec-by-spec. Real-world testing, pricing, pros, cons, and our verdict on which power station to buy.

Specification
A — anker

Anker SOLIX F3800 Plus

9.2/10
$4,799
Check Price on Anker SOLIX
B — udpower

UDPOWER S1200

8.9/10
$399
$699 Save $300
Check Price on Amazon
Capacity 3,840Wh ✓ Winner 1,190Wh
AC Output 6,000W ✓ Winner 1,200W
Expandable Yes No
Split Phase 240v Yes
Surge Output 1,800W
Weight 26 lbs
Dimensions 13.7 x 9.5 x 9.7 in
Battery Type LiFePO4
Cycle Life 4,000 cycles
AC Charge Time 90 min (fast mode)
Max Solar Input 400W
AC Outlets 5
USB-C Ports 2
USB-A Ports 4
DC Outlets 3
Wireless Charging Yes
Ups Switchover Ms 10
Operating Temp 32-104F
Warranty 5 years
App Control No

Buy the Anker SOLIX F3800 Plus

Best prices · Updated hourly

Buy the UDPOWER S1200

Best prices · Updated hourly

Who Should Buy the Anker SOLIX F3800 Plus?

The Anker SOLIX F3800 Plus is the right choice for off grid cabin, expandable, whole home backup. With 3,840Wh of capacity and 6,000W continuous output, it delivers serious power for demanding loads.

Key advantages include: 3,840wh built-in, expandable to 26.9kwh for true whole-home backup; 6,000w output with 120v/240v split-phase runs the heaviest household loads; one of the most powerful single-unit stations for off-grid cabins.

Priced at $4,799, the Anker SOLIX F3800 Plus scores 9.2/10 overall in our benchmark testing — making it one of the top-rated units in its class.

Who Should Buy the UDPOWER S1200?

The UDPOWER S1200 is the right choice for under 2000, rv boondocking, home backup essentials. With 1,190Wh of capacity and 1,200W continuous output, it delivers serious power for demanding loads.

Key advantages include: 5 ac outlets + <10ms ups switchover at $349-399 — class-leading combination; 400w solar input matches the 1kwh leaders; 15 simultaneous charging ports including wireless pad. At 26 lbs, it's genuinely portable.

Priced at $399 (MSRP $699), the UDPOWER S1200 scores 8.9/10 overall in our benchmark testing — making it a strong performer for most users.

How Do the Specs Compare?

Capacity: The Anker SOLIX F3800 Plus leads on storage with 3,840Wh versus 1,190Wh for the UDPOWER S1200 — a 223% difference that matters most for overnight or multi-day use cases.

Output: The Anker SOLIX F3800 Plus delivers more continuous power at 6,000W vs 1,200W, which determines what appliances you can run simultaneously — things like air conditioners, microwaves, and power tools that demand 1,000W or more.

Price: The UDPOWER S1200 costs $399 while the Anker SOLIX F3800 Plus runs $4,799 — a $4,400 gap. At that price difference, the more expensive unit needs to deliver meaningfully better performance to justify the premium.

🏆 Our Verdict

Choose the Anker SOLIX F3800 Plus if you need maximum capacity (3,840Wh vs 1,190Wh) , expandability for future growth, and higher power output (6,000W).

Choose the UDPOWER S1200 if you prioritize value (typically $4,400 less) .

Related

Frequently Asked Questions

Is the Anker SOLIX F3800 Plus better than the UDPOWER S1200?
The Anker SOLIX F3800 Plus scores 9.2/10 vs 8.9/10 overall. The Anker SOLIX F3800 Plus offers 3840Wh capacity and 6000W output, while the UDPOWER S1200 provides 1190Wh and 1200W. Choose based on whether you prioritize power and features.
Which is more portable, Anker SOLIX F3800 Plus or UDPOWER S1200?
The UDPOWER S1200 is lighter at NaN lbs vs NaN lbs.
Which offers better value, Anker SOLIX F3800 Plus or UDPOWER S1200?
The Anker SOLIX F3800 Plus costs $4799 while the UDPOWER S1200 costs $399. On a cost-per-watt-hour basis, the UDPOWER S1200 offers better value.