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High Voltage Batteries

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Power Your Home or Business with High-Voltage Efficiency

Maximize your solar energy storage with cutting-edge high-voltage battery solutions like the LG 16H Prime Battery and the Tigo EI Battery. Whether you're looking for a robust backup power source, faster EV charging, or greater energy independence, these advanced batteries offer higher efficiency, reduced energy loss, and cost-effective installation. The LG 16H Prime delivers powerful, long-lasting storage for larger homes and high-demand applications, while the Tigo EI Battery provides a flexible and scalable solution for homeowners looking to optimize their solar setup. Take control of your energy future with reliable, high-performance battery storage tailored to your needs.

EG4 FlexBOSS21 Hybrid Inverter | 48V Split Phase | 21kW PV Input
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The LG 16H Prime Battery is a 16kWh, 400V high-voltage energy storage solution designed for superior efficiency and reliability. With higher energy density, reduced power loss, and seamless integration with solar systems, this battery maximizes your energy savings while providing dependable backup power. Ideal for homeowners looking to enhance solar performance, charge EVs faster, or ensure uninterrupted power, the LG 16H Prime is a powerful, long-lasting storage option built for modern energy needs.

  • High-Capacity Storage: Provides 16kWh of energy to power your home longer during outages or peak demand times.
  • Greater Efficiency: High-voltage design reduces energy loss, maximizing the power you store and use.
  • Faster EV Charging: Delivers higher output for quicker and more efficient electric vehicle charging.
  • Lower Installation Costs: Requires less wiring and fewer components, making setup simpler and more cost-effective.
LG Prime High Voltage Battery and Growatt Inverter Bundle with products and Shop Now CTA.
EG4 FlexBOSS21 Hybrid Inverter | 48V Split Phase | 21kW PV Input
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Power your home with the LG RESU16H Prime 16kWh Battery and your choice of Growatt 10kW or 11.4kW Grid-Tie Inverter. The RESU16H Prime offers unbeatable storage capacity and efficiency, while the Growatt inverter ensures reliable performance with advanced safety features. This bundle delivers seamless energy management and peace of mind, whether for daily use or emergency backup.

  • Unbeatable Storage Capacity: Expandable storage, stackable up to 32 kWh, to meet higher energy demands or power a home’s average daily electricity usage.
  • Peak Power Efficiency: Peak power of 11 kW, perfect for high-surge appliances like air conditioners and water pumps.
  • Maximum Energy Utilization: Industry-leading DC round-trip efficiency of over 90%.
  • Seamless Monitoring: Built-in 4G/Wi-Fi connectivity and IoT cloud integration.
Level up your power savings with the LG High Voltage Battery and Solis Inverter Bundle. Shop now!
EG4 FlexBOSS21 Hybrid Inverter | 48V Split Phase | 21kW PV Input
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Power your home with the LG RESU16H Prime 16kWh Battery and the Solis S6 Hybrid Inverter. The RESU16H Prime offers unbeatable storage capacity and efficiency, while the Solis S6 inverter ensures the ability to easily grow and preserve your investment. This bundle excels in Time of Use settings during peak hours or as backup during outages.

  • High-Capacity Energy Storage: The LG 16H Prime battery offers substantial energy storage capacity, providing extended backup power during outages.
  • Advanced Hybrid Inverter: The Solis S6 High Voltage Hybrid Inverter efficiently manages energy from both solar panels and the LG battery, optimizing power usage and ensuring seamless integration.
  • Enhanced Monitoring Capabilities: Equipped with integrated Wi-Fi and optional Bluetooth connectivity, the system allows for real-time monitoring and management via a user-friendly app, enabling users to track energy production and consumption effortlessly.

Learn more about the LG 16H Prime High Voltage Battery

EG4 FlexBOSS21 Hybrid Inverter | 48V Split Phase | 21kW PV Input
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The Tigo EI Battery is a 9.9kWh modular energy storage solution designed for efficiency and adaptability. With its stackable design, it allows homeowners to expand their energy storage capacity as needed. Engineered for seamless solar integration, reliable backup power, and optimized energy usage, the Tigo EI Battery is a smart choice for those looking for a cost-effective and scalable solution to power their home with renewable energy.

  • Modular & Scalable: Expandable 9.9kWh design lets you add more capacity as your energy needs grow.
  • Seamless Solar Integration: Works efficiently with solar systems for optimized energy storage and usage.
  • Reliable Backup Power: Ensures dependable energy storage for outages and peak demand times.
  • Cost-Effective & Easy Installation: Pre-assembled enclosure simplifies setup, reducing installation time and costs.

Learn more about Tigo Products and the Tigo EI Battery

High Voltage Batteries FAQ

What are the key differences between the LG RESU 16H Prime and the Tigo EI Battery with Enclosure?

LG RESU 16H Prime: A 16 kWh high-voltage (400 V) lithium-ion battery, delivering 7 kW continuous and 11 kW peak power. It’s scalable (parallel up to two units for 32 kWh), indoor/outdoor rated (IP55), and compact with options for wall or floor mounting. Offers fast charging and smart BMS safeguards.

Tigo EI Battery: A modular LFP (Lithium Iron Phosphate) energy storage offering 9.9 kWh nominal (around 9 kWh usable) per enclosure, with 5 kW continuous and 6 kW peak output. Rated for indoor/outdoor (IP56/NEMA4), scalable (up to 4 enclosures = ~39.6 kWh), and has a robust warranty (132 months or ~6,000 cycles).

Can these batteries be installed indoors and outdoors?

Yes. The LG RESU 16H Prime is IP55 rated for both indoor and outdoor installations. Tigo EI Battery exceeds that with an IP56/NEMA4 enclosure, offering enhanced protection and durability in harsh conditions.

What is the usable capacity and power output?

LG RESU 16H Prime: Usable Energy: 16.0 kWh (at 25 °C), Continuous Power: 7 kW, Peak Discharge Power: 11 kW for ~10 seconds.

Tigo EI Battery (per enclosure): Usable Capacity: ~9.0 kWh (9.9 kWh nominal), Continuous Output: 5 kW, Peak Output: 6 kW.

How scalable are these systems?

LG RESU 16H Prime: Stack up to two batteries for 32 kWh total; uses spring connectors and supports CAN/RS-485 communication.

Tigo EI Battery: You can connect up to four enclosures per inverter (≈39.6 kWh), allowing customization based on energy needs.

What safety features are included?

LG RESU 16H Prime: Integrated BMS for over-voltage, over-current, short-circuit protection, and thermal monitoring.

Tigo EI Battery: Built with LFP chemistry for inherent safety; comes in a rugged enclosure and supports advanced system integration for reliable monitoring.

What are the operating temperature ranges?

LG RESU 16H Prime: Typically rated for 25 °C testing; but usual system ratings cover common residential temp ranges.

Tigo EI Battery: Operates reliably from 14-113 °F (–10 °C to 45 °C).

How long does the warranty last?

LG RESU 16H Prime: Includes a 10-year limited warranty, including USA-based lifetime support.

Tigo EI Battery: Comes with 132 months or ~6,000 cycles coverage, representing long-term reliability.

Which battery is more efficient during charge/discharge (round-trip)?

LG RESU 16H Prime: Offers over 90% DC round-trip efficiency.

Tigo EI Battery: Estimated round-trip efficiency also exceeds 90%, on par with high-performance lithium systems.

Which installations suit each battery best?

LG RESU 16H Prime: Ideal for homes needing high-capacity backup, fast EV charging times, and premium system efficiency. Works well in residential or light commercial setups.

Tigo EI Battery: Great for modular systems that can grow over time, flexible budget management, and outdoor installations, especially where weather tolerance and long cycle life are priorities.

Are these batteries compatible with solar inverters?

LG RESU 16H Prime: Compatible with many hybrid inverters; always verify 400 V compatibility (not compatible with 48 V systems or EG4).

Tigo EI Battery: Designed for seamless integration with Tigo EI inverters and energy systems, including backup and load-shifting configurations.

Have additional questions?

Our USA-Based solar experts are always here to help. Contact Signature Solar today:

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