Anker SOLIX F3800 Plus

Last updated: October 20, 2026

Anker SOLIX F3800 Plus

3.6/5#26 of 28 in home backup power stations
3.6

For homeowners planning a solar-backed, expandable 240V backup system rather than a portable unit.

3,840 WhCapacity
6,000 WAC output
136.7 lbWeight
LiFePO4Battery
$0.68Price / Wh

Check price at Anker$2,599.99

Price checked October 20, 2026. As an Amazon Associate we earn from qualifying purchases.

Pros

6000W output with native 120/240V via L14-30R
3200W total solar input across two 1600W inputs
Expandable to about 53.8 kWh with additional batteries

Cons

136.7 lb, the heaviest unit in this group
No published independent usable-capacity measurement
1800W AC charging is slow relative to 3840 Wh

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.

Value $0.68 per rated Wh42
Tested capacity not yet independently tested (neutral score used)50
Battery life LiFePO4, 3,000 cycles, 5-year warranty91
AC output 6,000 W continuous AC83
Charging speed full AC charge time not published (neutral score used)50
Portability 62 Wh per kg (136.7 lb (62 kg))31
Solar input 3,200 W max solar input80
Features UPS (20 ms), expandable, 100 W USB-C80

Specifications

Battery
Rated capacity	3,840 Wh
Chemistry	LiFePO4
Cycle life	3,000
Expandable	Yes, up to 53,800 Wh
Output
AC output	6,000 W
AC outlets	8 total
120V 20A outlets (NEMA 5-20R)	6
RV 30A outlet (TT-30R)	1
120/240V 30A twist-lock (NEMA L14-30R)	1
12 V car outlet	Yes
UPS / pass-through	Yes (20 ms switchover)
Charging
AC charging	1,800 W
Max solar input	3,200 W
Solar input voltage	11-165V, 2 inputs at 1600W each
Build
Weight	136.7 lb (62 kg)
Dimensions	27.6 x 15.3 x 15.6 in
Warranty	5 years

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BLUETTI Elite 400

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Amazon $1,449 BLUETTI $1,399

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Zendure SuperBase V4600

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