SunGoldPower FR12K-B

Last updated: October 24, 2026

SunGoldPower FR12K-B
3.4/5#33 of 40 in 120/240 V split-phase hybrid inverters
3.4

A lot of split-phase power for the money for off-grid homes. Buyers who need UL-listed gear should look at the SPH10048P.

  • 12 kWOutput
  • 48 VBattery
  • 13,200 WSolar input
  • 1 yearWarranty
Check price at AmazonCheck price at SunGoldPower$1,790

Price checked October 23, 2026. As an Amazon Associate we earn from qualifying purchases.

Pros
  • 12 kW from one unit runs a whole house at 120/240 V
  • Separate generator port
  • Low price per kW
  • Rapid-shutdown signal built in for code-compliant roof arrays
Cons
  • No UL 1741 listing
  • No grid sell-back
  • One-year warranty

How it scores

The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its output. How we rank explains each one.

Specifications

Model numberFR12K-B
Output
Output voltage120/240 V split-phase
Continuous output12,000 W
Surge24,000 W
Peak efficiency92%
Transfer time10 ms
Parallel unitsUp to 6 units
Solar
Max PV power13,200 W
Max PV voltage (Voc)500 V
MPPT range125 to 425 V
MPPT trackers2
PV current per tracker22 A
Runs without batteryYes
Battery and grid
Battery voltage48 V
Battery typesLithium, lead-acid, user-defined
Max charge current200 A
AC charge current120 A
Battery communicationYes
Grid sell-backNo
Generator inputYes
UL 1741No
Build
App monitoringOptional add-on
EnclosureIP20
Dimensions28.7 x 19.1 x 6.7 in
Weight61.7 lb
Warranty1 year
Released2026-01

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