Sol-Ark inverters also do not have expensive battery restrictions like other solar inverters do, and can be used with a wide variety of 48V battery chemistries, from lead to lithium.

SOL-ARK 8K-2P Hybrid Inverter Specifications

Solar Characteristics:

• Max allowed PV Power: 11000W 
• Max PV Power Delivered to Battery & AC Outputs: 8000W 
• Max DC voltage: 500V @ 18A, 450V @ 20A
• MPPT voltage range: 150-425V 
• Starting voltage: 125V 
• Number of MPPT: 2 
• Solar Strings per MPPT: 2
• Max DC current per MPPT: 20A (self limiting) 
• Max AC Coupled Input (Micro/String Inverters): 9,600W

AC Output Characteristics:

• Connections: 120/240/208V split phase 
• Continuous AC power to Grid (On-Grid): 8000W 33.3A L-L (240V)
• Continuous AC power to Load (Off-Grid): 8000W 33.3A L-L (240V)
• Surge AC power 10sec: 16,000VA L-L (240V)
• Surge AC power 100ms: 25,000VA L-L (240V)
• Parallel Stacking: No
• Frequency: 60/50Hz 
• Continuous AC power with Grid or Generator: 15120W 63A L-L (240V), 7,560W 63A L-N (120V) 
• CEC Efficiency: 96.5% (Peak 97.5%) 
• Idle Consumption typical – no load: 60W 
• Sell back power modes: Limited to Household or Fully Grid-Tied 
• Design (DC to AC): Transformerless DC 
• Response Time (Grid-Tied to Off-Grid): 4ms 
• Power Factor: +/-0.9 - 1.0

Battery (optional) Characteristics:

• Type: Lead-Acid or Li-Ion 
• Nominal DC Input: 48V 
• Capacity: 50 – 9900Ah 
• Voltage Range: 43.0 – 63.0V 
• Continuous Battery charging output: 185A 
• Charging curve: 3-stage w/ equalization 
• Grid to Battery Charging Efficiency: 96.0% 
• External temperature sensor: included 
• Current shunt for accurate % SOC: integrated 
• External Generator Start based on voltage or % SOC: integrated
• Communication to Lithium battery: CanBus & RS485

General Characteristics:

• NEMA-3R rated 
• Ambient Temperature (4 variable speed fans): -25 to 55C, >45C
• Installation Style: Wall-Mounted
• Wi-Fi & LAN Communication: included
• Standard Warranty: 5 years 
• Optional Extended Warranty: 10 years