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@dotspencer
Last active July 21, 2023 22:00
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Sol-Ark 12k vs. Sol-Ark 15k vs. EG4 18kPV specs

Sol-Ark 12k | Sol-Ark 15k | EG4 18kPV

Sol-Ark 12k
https://www.sol-ark.com/wp-content/uploads/12K-2P_SpecSheet.pdf

Sol-Ark 15k
https://www.sol-ark.com/wp-content/uploads/15K-2P_SpecSheet.pdf

EG4 18kPV
https://eg4electronics.com/wp-content/uploads/2023/05/EG4-18KPV-12LV-Spec-Sheet-1.1.1-1.pdf

Specification Sol-Ark 12k Sol-Ark 15k EG4 18kPV
Price $5,299 $8,999 $5,599
Input Data (PV)
Max. Allowed PV Power STC (utilizable) 13,000W 19,500W 21,000W (18,000W)
Nominal Voltage Range 175 - 425V 175 - 425V 100 - 600V
Startup Voltage 125V 125V 100V
Max. Input Voltage 500V 500V N/A
Max. Input Current per MPPT 20A (self-limiting) 26A (self-limiting) 25A/15A/15A
No. of MPP Trackers 2 3 3
No. of PV Strings per MPPT 2 2 2/1/1
Max. AC Coupled Input 9,600W N/A N/A
Output Data (AC)
Nominal AC Voltage (L-L) 120/240V, 120/208V, 220V 120/240V, 120/208V, 220V 208/240V
Grid Frequency 50 / 60Hz 50 / 60Hz 50 / 60Hz
Real Power, max continuous 9,000W (1) 15,000W 12,000W/@208V 10,400W
Max. Output Current 37.5A 62.5A 50A
Peak Apparent Power (10s, off-grid) 16,000VA 24,000VA 24,000VA
Peak Apparent Power (100ms, off-grid) 25,000VA 30,000VA 0.5s: 24,000VA
Max Output Fault Current (100ms) 104A 120A N/A
Max. Grid Passthrough Current 63A 200A N/A
Power Factor Output Range +/- 0.8 adjustable +/- 0.8 adjustable 1
Backup Transfer Time 4ms 5ms <20ms
CEC Efficiency 96.5% 96.5% N/A
Max Efficiency 97.5% 97.5% N/A
Design (DC to AC) Transformerless DC Transformerless DC TL (Transformerless)
Stackable Up to 9 in parallel Up to 12 in parallel Up to 10 in parallel
Battery Input Data (DC)
Battery Technologies Lithium / Lead Acid Lithium / Lead Acid Lithium / Lead Acid
Nominal DC Voltage 48V 48V 48V
Operating Voltage Range 43 - 63V 43 - 63V 40 - 60V
Capacity 50 — 9900Ah 50 — 9900Ah N/A
Max. Battery Charge / Discharge Current 185A 275A 250A
Charging Controller 3-Stage with Equalization 3-Stage with Equalization N/A
Grid to Battery Charging Efficiency 96.0% 96.0% 95%
External Temperature Sensor Included Included N/A
Current Shunt for Accurate % SOC Integrated Integrated N/A
Automatic Generator Start Integrated Integrated N/A
Communication to Lithium CANBus & RS485 CANBus & RS485 Rs485/Wi-Fi/CAN
General Data
Dimensions (H x W x D) 750 x 450 x 254 mm / 29.5 x 17.7 x 10 in 807 x 494 x 306 mm / 31.8 x 19.4 x 12 in 34.3 x 20.5 x 11.2 in (87 x 52 x 28.5 cm)
Weight 35.4 kg / 78 lb. 61.2 kg / 135 lb. 50 kg / 110.2 lbs.
Enclosure IP65 / NEMA 3R IP65 / NEMA 3R IP65 / NEMA 4X
Ambient Temperature -25~60°C, > 45°C Derating -25~60°C, > 45°C Derating -25~60°C, > 45° derating
Noise < 30 dB < 30 dB < 50 dB
Idle consumption - No Load 60W 60W ≈70W
Wi-Fi & LAN Communication Included Included Rs485/Wi-Fi/CAN
Standard Warranty 10 Years 10 Years 10 Years
Protection
Electronics Certified Safety Yes Yes Yes
Grid Sell Back Yes Yes Yes
PV DC Disconnect Switch Integrated Integrated Yes
Ground Fault Detection Integrated Integrated Yes
PV Rapid Shutdown Control Integrated Integrated Yes
PV Arc Fault Detection Integrated Integrated Yes
PV Input Lightning Protection Integrated Integrated N/A
PV String Input Reverse Polarity Protection Integrated Integrated N/A
AC Output Breaker 63A 200A N/A
Battery Breaker / Disconnect 250A 200A x 2 Yes
Surge Protection DC Type II / AC Type II DC Type II / AC Type II DC Type II / AC Type II

Notice anything wrong? Add a comment and I'll update the table.

@jamesshowalter
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The 18kpv is 21000w of PV STC, max utilizable power is 18kw.

@dotspencer
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dotspencer commented Jul 21, 2023

Thanks, updated! Lots of data points it was hard to double check everything. Let me know if you see anything else

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