Sol-Ark 15K-2P + Discover Helios 16kWh Battery | 16kWh Whole-Home Backup Power Bundle This residential energy storage system combines Sol-Ark 15K-2P hybrid inverter with a single 16kWh Discover Helios battery. It delivers focused protection for critical loads, including refrigeration, lighting, communication systems, and select appliances without the complexity of larger installations. 4th Generation Battery Management System 5ms Backup Transfer Time Expandable energy storage up to 32kWh About the Product This hybrid solar inverter system transitions seamlessly between grid-tied, off-grid, and backup modes. The Sol-Ark 15K-2P hybrid inverter switches to battery power within 5 milliseconds—fast enough to keep computers and sensitive electronics running without interruption. For off-grid properties, the system operates continuously without utility connection, managing solar input and battery charging autonomously. With three independent MPPT controllers, you can extract maximum energy from solar arrays even when panels face different directions or experience partial shade. This design flexibility makes the bundle compatible with both new solar installations and retrofit applications where existing panels remain in place. The 16kWh Discover Helios battery module uses lithium iron phosphate chemistry, offering thermal stability and longevity with 6000+ cycles. The battery features self-heating which activates automatically when temperatures drop, ensuring reliable charging performance down to -13°F without manual intervention or external heating equipment. Furthermore, the integrated 4th generation battery management system balances individual cells, monitors operating temperatures, and communicates status directly to the inverter via CAN bus protocol. For added convenience, Wi-Fi and Ethernet connectivity enable remote system monitoring through mobile apps. As a plus, the bundle supports expansion to 32kWh, so you won’t need to replace existing equipment. What’s Included in the Sol-Ark-2P 16kWh Whole Backup Power Bundle? The Sol-Ark-2P 16kWh Whole Backup Power Bundle includes the following components: Sol-Ark 15K-2P-N Hybrid Inverter (1 pc.) Discover Helios 52-48-16000 ESS Battery Modules (1 pc.) Sol-Ark 15K Conduit Box (950-0067) (1 pc.) HELIOS ESS Battery to Inverter Cables (1 pc.) Specifications Sol-Ark 15K-2P Inverter Inverter Type Hybrid (Grid-Tie/Off-Grid/Backup) AC Output Power 15,000W continuous Phases Split-phase Efficiency 97.5% peak / 96.5% CEC weighted DC Input Voltage 150-500V MPPT range / 125V startup MPP Trackers 3 independent trackers (2 strings per tracker) AC Output Voltage 120/240V, 120/208V, 220V Battery Support 48V lithium (43-63V operating range) / 275A charge/discharge Protections UL 1741 SB/SA, arc-fault detection, rapid shutdown, ground fault monitoring, Type II surge protection Operating Conditions -13°F to 131°F (-25°C to 55°C) Warranty 10 years (manufacturer standard) Download full inverter specifications here. Discover Helios 16kWh Battery Battery Type Lithium Iron Phosphate (LiFePO4) Nominal Voltage 51.2V Nominal Capacity 314Ah Energy 16.08kWh Cycle Life 6,000+ cycles (93 MWh lifetime throughput) Operating Voltage 43.2V - 56.8V Communication Interfaces CAN bus (closed-loop with Sol-Ark) Nominal Charging Current 200A continuous Nominal Discharging Current 200A continuous Max. Discharging Current 300A RMS (15 seconds peak) Environment Indoor, Outdoor (IP65 weatherproof) Charging Temperature 39.2°F to 131°F (self-heating enabled) Discharging Temperature -13°F to 131°F Storage Temperature -4°F to 131°F (one month) Altitude Maximum 2,000m (6,561 ft) IP Rating IP65 Dimensions 35.43 x 18.31 x 10.7 inches (with wall-mount bracket) Weight 299.83 lbs Installation Wall mount (included bracket) Download full battery specifications here.
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