Sol-Ark 8k: All-In-One Hybrid Inverter

Sol-Ark 8k: All-In-One Hybrid Inverter

The Sol-Ark 8k is your best choice solar inverter! It’s an all-in-one, pre-wired inverter that is flexible, efficient, and affordable. Everything you need comes in one box, keeping your cost LOW and installation SIMPLE.

Are you an installer or contractor looking for a Sol-Ark? Contact us today!

Need help? Call us or request a consultation for a proper design  for your scenario and balance of system (BOS).




Larger current transformers are necessary for aluminum feeders

The Sol-Ark 8k is your best choice solar inverter! It’s an all-in-one, pre-wired inverter that is flexible, efficient, and affordable. Everything you need comes in one box, keeping your cost LOW and installation SIMPLE.

Call us or request a consultation for a proper design for your scenario and balance of system (BOS).

View Sol-Ark Solar System Kits

Sol-Ark 8k Overview

Next Generation Efficiency

3X Better! Only 4% losses vs. 14% in today’s battery based systems

Split Phase

Sol-Ark 8K pumps out power just like the grid, allowing you to power 120V and 240V appliances simultaneously

Grid Tied, Hybrid, or Off-Grid

Manages power from Solar, Battery, Grid, Load, and Generator simultaneously


Sol-Ark is expandable from 5 to 36 (11 kW) solar panels and 0-32 batteries.

5-Year Standard Warranty

10-Year extended warranty available


There has been a lot of excitement in the solar industry since the Sol-Ark 8k hit the market! Through this inverter, the Sol-Ark company has proven themselves to be innovative leaders when it comes to solar inverters. So what’s all the hype about? The Sol-Ark 8k is a an all-one, pre-wired inverter system that is flexible, efficient, AND affordable!

The Sol-Ark 8k is All-in-One

Everything you need in one box! Inside of one Sol-Ark 8k inverter, you are also benefiting from the following built-in features:

  • Color touch screen interface
  • AC In/Out: 9kW
  • AC Load Out: 20kWpk
  • Battery Temp sensor
  • Auto-Generator Start
  • PV Rapid Shut Down
  • Built in Arc Fault and Ground Fault detection
  • External current sensors
  • Batter communications
  • Grid Tied Mode: Sell your power to the grid
  • Meter Zero Mode: Zero your whole home power
  • Time of Use: Use batteries to avoid $$ power
  • 120/240/208V
  • Smart Load: Programmable Loads for high power off-grid items saves battery capacity
  • AC Coupling: Add backup to 7kW of existing Grid Tie Installs
  • Peak Shaving: Reduces peak demand charges

The Sol-Ark 8k is Flexible

The Sol-Ark inverters can be used in grid-tie, hybrid, and off-grid systems and don’t have expensive battery restrictions like other inverters do; they can be used with the widest variety of 48V battery chemistries.

The Sol-Ark 8k is Efficient

The Sol-Ark 8k sets records and tops Efficiency tops Tesla, Outback, Magnum, Pika, Solar Edge, and Sonnen! The Sol-Ark 8k boasts only 4% losses, whereas most system losses today are around 14% in battery based systems.

Sol-Ark achieved this with the innovative design of the sol-ark 8k that combines all of the electronics into a single DC Transformerless system (reducing the cost by 25%+). Eliminating transformers allowed Sol-Ark to achieve 97.0% efficiency. That is unbelievably high while using affordable 48V external batteries. Several expensive 380V battery solutions claim high efficiency but fail to include the 380V conversion losses to an internal 50V battery.

The Sol-Ark 8k is Afforable

Because it’s an all-in-one solar inverter, the Sol-Ark 8k requires minimal additional hardware, keeping the cost low and installation simple. When stacked up against equivalent systems using other inverters, they are the most affordable option by a wide margin. See the comparison charts below!

Comparison Charts

Other popular transformer-less systems require expensive certified batteries while the Sol-Ark can work with any battery!

The Sol-Ark costs less than popular battery based inverters once you factor in required hardware:

Monitor it from anywhere!



Inverters Compared – Comparison chart of competing solar inverters

Sol-Ark 8k Specifications

Dimensions (H x W x D)28.0″ x 17.375″ x 9.37″
Weight75 lbs
EnsclosureNEMA type 1 (Indoor Use)
Ambient Temperature (4 speed variable fans)-25 to 55c, >45C derating
DisplayColor touch screen
Wifi Communication (monitoring or SW updates)integrated
Snap on sensors for limited selling to Householdincluded
Standard Warranty5 years
Optional Extended Warranty10 years
Max allowed PV power110000W
Max PV Power per MPPT6000W
Max DC voltage500V
MPPT voltage range150-425V
Starting voltage175V
Number of MPPT2
Solar strings per MPPT2
Max DC current per MPPT18A (self limiting)
Max AC Coupled Input (Micro/String Inverters7,000W
Max Combined Solar Input13,000W
AC Output
Connections120/240 split phase
Continuous AC power on Solar or Battery900W 37.5A L-L (240V)
40A L-N (120V)
Surge AC power 5sec20,000VA L-L (240V)
10,000VA L-N (120V)
Continuous AC power with Grid or Generator12000W 50A L-L (240V)
6000W 50A L-N (120V)
CEC Efficiency96.5% (Peak 97.5%)
Idle Consumption typical – no load60W
Sell back power modesLimited to Household or Full Grid-Tied
Design (DC to AC)Transformerless DC
Response Time (Grid-Tied to Off-Grid)4ms
Power Factor+-0.9 – 1.0
Battery (optional)
TypeLead-Acid or Li-Ion
Nominal DC Input48V
Capacity90 – 2000Ah
Voltage Range42.0 – 59.0V
Continuous Battery charging output190A
Charging curve3-stage w/ equalization
Grid to Batter Charging Efficiency96.0%
External temperature sensorincluded
Current shunt for accurate % SOCintegrates
External Generator Start based on voltage of % SOCintegrated
Communications to Lithium batteryCanBus & RS485
Protection & Certifications
Electronics certified safety by SGS labs to NEC & UL Specs – NEC 690.4B & NEC 705.4/6Yes
Grid Sell Back – UL1741 – 2010/2018, IEEE1547z-2003/2014, FCC classB, UL1741SA, CA Rule 21, HECO Rule 14HYes
PV DC disconnect switch – NEC 240.15integrated
Ground Fault Detection – NEC 690.5integrated
PV rapid shutdown control – NEC 690.12integrated
PV Arc Fault detection – NEC 690.11/UL1699Bintegrated
PV input lightning protectionintegrated
AC input/output 50XA breakersintegrated
Battery breaker / disconnectintegrated
User wiring enclosure 4/3/4″ & 1″ knock-outsintegrated
Solar Flare/EMP Hardened to 2015 MIL-STD-461G (Independently testing June 2018)optional


Related Reading:

Sol-Ark 8k vs Sol-ark 12k










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