Discover · Batteries
SKU: 52-48-16000
Discover HELIOS ESS 16.1kWh LiFePO4 Battery
Power your off-grid setup or whole-home backup system with the Discover HELIOS ESS 16.1kWh LiFePO4 Battery — a robust, scalable energy storage solution built for all climates and demanding applications.
- Regular price
- $3,699.00
- Sale price
- $3,699.00
- Regular price
-
$4,686.25
Questions before you buy?
Call 877-242-2792 and we’ll work it out with you. Mon–Thu 10am–5:30pm, Fri 10am–1pm EST.
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Specifications
The details.
Power your off-grid setup or whole-home backup system with the Discover HELIOS ESS 16.1kWh LiFePO4 Battery — a robust, scalable energy storage solution built for all climates and demanding applications.
Designed for seamless integration with hybrid and off-grid inverters, this outdoor-rated battery delivers long-lasting performance, advanced safety, and simple DIY-friendly installation. Whether you're powering a cabin, homestead, or commercial site, HELIOS delivers dependable energy with zero compromise.
Key Features & Benefits:
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16.1kWh Capacity, 51.2V Output – Reliable lithium iron phosphate storage for off-grid, hybrid, or backup systems
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Scalable Up to 579.6kWh – Connect up to 36 modules with closed-loop CAN communication
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All-Climate Operation – IP65-rated enclosure + built-in self-heating down to -25°C (-13°F)
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High Power Output – 10kW continuous / 19kW peak (10 sec)
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Advanced Safety – Dual fire arrestors, emergency stop, and full thermal/voltage protection
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4th Gen BMS – Smart performance optimization and protection for extended cycle life
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Plug & Play Setup – Quick-connect terminals and wall-mount design for fast, flexible installs
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Wide Inverter Compatibility – Closed-loop integration with leading 48V inverter brands
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Energy Performance Guarantee – 10-Year Warranty with long-term reliability assurance
Perfect for:
Off-grid homes, whole-home backup, micro-grids, commercial solar storage, and more.
DIY-Friendly, Built for Energy Independence
With its intelligent design and closed-loop inverter communication, the HELIOS ESS makes going off-grid or upgrading your backup system easier than ever—no contractors required. Backed by world-class customer support and a decade-long warranty, it’s the ultimate investment in energy freedom.
User Manual / Documents:
- Discover HELIOS ESS 16.1kWh LiFePO4 Battery Brochure
- Discover HELIOS ESS 16.1kWh LiFePO4 Battery Data Sheet
- Discover HELIOS ESS 16.1kWh LiFePO4 Battery Installation and Operation Manual
- Nominal Voltage
- 51.2 V
- Energy
- 16,080 Wh
- Nominal Capacity
- 314 Ah
- Useable Capacity
- 16,080 Wh
- Depth of Discharge
- 100% (1)
- Charge Bulk Voltage - Bulk Vdc
- 55.2 – 56.8 V
- Charge Absorption Voltage - U1 MAX
- 55.2 – 56.8 V
- Charge Float Voltage - U2
- 53.6 V
- Charge Termination Current
- 5 A
- Max Voltage Disconnect Recommended
- 56.9 V
- Max Voltage Disconnect
- 58.08 V
- Low Voltage Disconnect Recommended
- 48 V
- Low Voltage Disconnect
- 43.2 V
- Max Continuous Charge Current
- 200A
- Max Continuous Discharge Current
- 200 A
- Max Continuous Discharge Rate
- 10.24 kW
- Peak Discharge Current (15 seconds)
- 300 A RMS
- Self Discharge Current (operation)
- ≤ 25 mA
- Self Discharge Current (battery OFF)
- ≤ 4 mA
- Breaker
- Single-Pole (positive only) 200 A breaker (CVP-RH-P2BD5-D200-LT)
- Maximum short circuit fault current (IBF / ½ IBF)
- 7.16 kA (100 ms) / 3.58 kA (100 ms)
- Arc Flash Incident Energy IEm
- 0.310 Cal/cm2
- Arc Flash Incident Energy AFB
- 239 mm (9.41 in)
- Height (A)
- 900 mm (35.43 in)
- Width (B)
- 465 mm (18.31 in)
- Depth - body only (C)
- 247 mm (9.72 in)
- Depth (including Wall-Mount bracket)
- 271 mm (10.7 in)
- Terminal
- Quick Connect Plug and Pull Terminal
- Weight
- 136 kg (299.83 lb)
- IP Rating
- IP65
- Case Material
- Galvanized Steel Sheet