What does the Limitless 15K-2P-N Hybrid Inverter offer on paper?
The Sol-Ark Limitless 15K-2P-N Hybrid Inverter is a hybrid inverter rated for 15000 W of continuous AC output. Sol-Ark lists 240 V output on a split phase system.
Sol-Ark lists up to 19500 W of solar input and a 48 V battery bank. Its current new price is $6,099.15.
| Power and capacity | |
|---|---|
| Continuous AC output | 15000 W |
| UPS switchover (max) | 5 ms |
| Solar charging | |
| Max solar input | 19500 W |
| Size and moving it | |
| Width | 19.4 in |
| Height | 31.8 in |
| Weight | 135 lb |
| Temperature and warranty | |
| Warranty | 10 years |
| Product | Best current price | Watts per dollar | Value rank |
|---|---|---|---|
| Sol-Ark Limitless 15K-2P-N Hybrid Inverter | $6,099.15 at A1 SolarStore | 2.46 W/$ | #5 of 5 |
| EG4 Electronics FlexBOSS21 Hybrid Inverter | $4,390.34 at A1 SolarStore | 3.64 W/$ | #1 of 5 |
| EG4 Electronics FlexBOSS18 Hybrid Inverter | $3,879.57 at A1 SolarStore | 3.35 W/$ | #2 of 5 |
| Sol-Ark Limitless 18K-2P-LV Hybrid Inverter | $6,999.32 at A1 SolarStore | 2.57 W/$ | #3 of 5 |
| EG4 Electronics 18kPV Hybrid Inverter | $4,699.08 at A1 SolarStore | 2.55 W/$ | #4 of 5 |
How big and heavy is it, and what enclosure rating does it have?
The case is 31.8 in tall, 19.4 in wide and 12 in deep, and Sol-Ark lists the weight as 135 lb. That puts it in the heavy (over 50 lb) class. Sol-Ark rates the enclosure IP65 / NEMA 3R.
Sol-Ark rates it to run from -25 C up to 55 C. Its listed certifications are UL 1741 SB, UL 1741 SA11, UL 1741 CRD-PCS.
What solar arrays can the Limitless 15K-2P-N Hybrid Inverter handle?
Sol-Ark lists 3 MPPT inputs that track from 175 V up to 425 V. Sol-Ark sets a 500 V limit on PV input voltage.
The maker recommends an array of up to 23400 W, against a solar input rating of 19500 W.
What batteries does the Limitless 15K-2P-N Hybrid Inverter work with?
Sol-Ark lists lithium batteries on a 48 V bank. Sol-Ark gives a battery voltage window from 43 V to 63 V.
Sol-Ark lists charge and discharge current of up to 275 A each. On battery power alone, Sol-Ark rates continuous AC output at 12000 W.
What does it list for grid outages?
Sol-Ark lists a switchover time of 5 ms at most. Sol-Ark says yes to both a generator input and rapid shutdown.
Can the Limitless 15K-2P-N Hybrid Inverter grow with a bigger system?
Yes: Sol-Ark lists up to 12 units in parallel.
Is the Limitless 15K-2P-N Hybrid Inverter good value?
Among the inverters compared here, it ranks #5 of 5 on watts per dollar at 2.46 W/$, against 3.64 W/$ for the FlexBOSS21 Hybrid Inverter and 3.35 W/$ for the FlexBOSS18 Hybrid Inverter. The FlexBOSS21 Hybrid Inverter sells for $4,390.34, while the Sol-Ark costs $6,099.15.
Sol-Ark backs it with a warranty of 10 years. Watts per dollar divides rated output by price.
How does it compare on backup and solar input?
Sol-Ark lists a switchover of 5 ms at most, against 20 ms at most for the FlexBOSS21 Hybrid Inverter, the FlexBOSS18 Hybrid Inverter and the 18kPV Hybrid Inverter. Sol-Ark lists a 175 V MPPT minimum, and EG4 Electronics lists 120 V on both the FlexBOSS21 Hybrid Inverter and the FlexBOSS18 Hybrid Inverter.
Is the FlexBOSS21 Hybrid Inverter the better value?
Yes, by watts per dollar: the FlexBOSS21 Hybrid Inverter ranks #1 of 5 at 3.64 W/$, against #5 of 5 at 2.46 W/$ for the Limitless 15K-2P-N Hybrid Inverter. EG4 Electronics rates it at 16000 W continuous, with a surge of 24000 W for 0.5 s.
EG4 Electronics states it starts an air conditioner rated at 5 tons, and it lists a 600 V PV limit against 500 V on the Sol-Ark. EG4 Electronics lists a weight of 121 lb in a NEMA 4X case and allows up to 16 units in parallel.
How does the FlexBOSS18 Hybrid Inverter differ?
EG4 Electronics rates the FlexBOSS18 Hybrid Inverter at 13000 W continuous with 2 MPPT inputs, against 15000 W and 3 on the Limitless 15K-2P-N Hybrid Inverter. It costs $3,879.57 and ranks #2 of 5 at 3.35 W/$.
EG4 Electronics lists battery charge and discharge current of up to 208 A each, and a weight of 115 lb.
Why pick the Limitless 18K-2P-LV Hybrid Inverter instead?
Pick it for more power: Sol-Ark rates the Limitless 18K-2P-LV Hybrid Inverter at 18000 W continuous, against 15000 W for the Limitless 15K-2P-N Hybrid Inverter. It also lists a 36000 W surge for 10 s and up to 28800 W of solar input.
Sol-Ark rates it down to -40 C, with battery charge and discharge current of up to 350 A each. It sells for $6,999.32 and ranks #3 of 5 at 2.57 W/$.
What sets the 18kPV Hybrid Inverter apart?
EG4 Electronics lists the 18kPV Hybrid Inverter for lead-acid or lithium batteries, while Sol-Ark lists lithium for the Limitless 15K-2P-N Hybrid Inverter. EG4 Electronics lists a surge of 15500 W for 300 s, and its MPPT range reaches 500 V against 425 V on the Sol-Ark.
EG4 Electronics rates continuous output at 12000 W and lists up to 10 units in parallel. At $4,699.08 it ranks #4 of 5, with 2.55 W/$.