The Sol-Ark 15K-2P + Discover Helios 16kWh Whole-Home Backup Power Bundle combines a high-capacity hybrid solar inverter with a 16.08kWh lithium iron phosphate (LiFePO4) battery. Designed for residential energy storage, this system supports grid-tied operation, off-grid applications, and backup power for essential household loads.
The Sol-Ark 15K-2P delivers 15,000W of continuous AC output and features three independent MPPT controllers for flexible solar integration. Paired with the Discover Helios battery, the system provides rapid backup transfer, intelligent battery management, and expandable storage capacity. It is suitable for homeowners planning a comprehensive solar energy and backup power installation.
Key Benefits
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Whole-Home Backup Capability: Provides 15,000W of continuous inverter output to support compatible household electrical loads.
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Rapid Backup Transition: Features a 5ms backup transfer time to help maintain power to connected equipment during grid interruptions.
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High-Capacity Energy Storage: Includes a 16.08kWh LiFePO4 battery for residential energy storage and backup applications.
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Expandable Battery Capacity: Supports expansion to 32kWh with compatible additional battery equipment.
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Flexible Solar Integration: Three independent MPPT controllers accommodate solar arrays with different orientations and configurations.
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Advanced Battery Management: Fourth-generation BMS monitors battery conditions and balances individual cells.
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Cold-Weather Charging Support: Integrated battery self-heating supports charging in low-temperature environments.
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Remote System Monitoring: Wi-Fi and Ethernet connectivity support remote monitoring through compatible mobile applications.
Product Details
Bundle Components
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1 × Sol-Ark 15K-2P-N Hybrid Inverter
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1 × Discover Helios 52-48-16000 ESS Battery Module
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1 × Sol-Ark 15K Conduit Box (950-0067)
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1 × Helios ESS Battery-to-Inverter Cable Set
Sol-Ark 15K-2P Hybrid Inverter
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Inverter Type: Hybrid (grid-tied, off-grid, and backup)
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Continuous AC Output: 15,000W
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Phase Configuration: Split-phase
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Peak Efficiency: 97.5%
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CEC Weighted Efficiency: 96.5%
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DC Input Voltage: 150–500V MPPT range
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Startup Voltage: 125V
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MPPT Controllers: 3 independent trackers, 2 strings per tracker
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AC Output Voltage: 120/240V, 120/208V, 220V
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Battery Compatibility: 48V lithium
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Battery Operating Voltage: 43–63V
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Maximum Battery Charge/Discharge Current: 275A
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Protection Features: Arc-fault detection, rapid shutdown, ground-fault monitoring, and Type II surge protection
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Certifications: UL 1741 SB/SA
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Operating Temperature: -13°F to 131°F
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Manufacturer Warranty: 10 years
Discover Helios 16kWh Battery
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Battery Type: Lithium Iron Phosphate (LiFePO4)
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Nominal Voltage: 51.2V
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Nominal Capacity: 314Ah
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Energy Capacity: 16.08kWh
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Cycle Life: 6,000+ cycles
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Lifetime Energy Throughput: 93MWh
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Operating Voltage: 43.2–56.8V
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Communication Interface: CAN bus
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Nominal Charging Current: 200A continuous
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Nominal Discharging Current: 200A continuous
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Maximum Discharging Current: 300A RMS (15-second peak)
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Battery Management: Fourth-generation BMS
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Connectivity: CAN bus communication with Sol-Ark inverter
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Enclosure Rating: IP65 weather protection
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Installation Environment: Indoor or outdoor
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Charging Temperature: 39.2°F to 131°F with self-heating enabled
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Discharging Temperature: -13°F to 131°F
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Storage Temperature: -4°F to 131°F (one month)
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Maximum Installation Altitude: 6,561 feet
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Dimensions: 35.43 × 18.31 × 10.7 inches (with wall-mount bracket)
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Weight: 299.83 lbs
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Installation Type: Wall-mounted
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Mounting Hardware: Wall-mount bracket included
Installation Note: This is a residential energy storage system requiring appropriate electrical integration and installation. Verify electrical compatibility, solar array configuration, and installation requirements before purchasing. Whole-home backup performance depends on connected loads and system configuration.
