SUNFUSION ECHO BATTERY SYSTEMS - ULTIMATE SPECIFICATION GUIDE

TABLE OF CONTENTS

  1. Battery Modules

  2. Complete Systems Overview

  3. Cabinet Configurations

  4. Inverter Specifications

  5. Certifications & Compliance

BATTERY MODULES

ECHO 14kWh Battery Module

Using CATL 271Ah or Hithium 280Ah Cells

Specification Value Energy Capacity 14.0 kWh Nominal Voltage 51.5V Battery Capacity 271Ah Cell Type Lithium Iron Phosphate (LiFePO4) Max Discharge Current 271A Discharge Rate 0.5C standard, 1C max Dimensions 9.25"H × 14.75"W × 29.75"L Weight 255 lbs Operating Temperature -25°C to 55°C (-13°F to 131°F)

ECHO 16kWh Battery Module (ECHO 3.0)

Using Hithium 314Ah Cells

Specification Value Energy Capacity 16.0 kWh Nominal Voltage 51.5V Battery Capacity 314Ah Cell Type Lithium Iron Phosphate (LiFePO4) Max Discharge Current 471A @ 1.5C Continuous Discharge 314A @ 1C Rated Charging Current 251A @ 0.8C Dimensions 9.25"H × 14.75"W × 29.75"L Weight 255 lbs

COMPLETE SYSTEMS OVERVIEW

System Configurations Available

Model Battery Capacity Inverter Options Applications ECHO 2.0 3T 14-48 kWh Sol-Ark 12K-P/15K Residential/Small Commercial ECHO 2.0 4T 14-64 kWh Sol-Ark 12K-P/15K Residential/Commercial ECHO 2.0 5T 14-80 kWh Sol-Ark 15K Commercial/Industrial Guardian E2.0 28-48 kWh Sol-Ark 15K Critical Infrastructure Guardian E2.0 Tower 42-96 kWh Sol-Ark 12K/15K Large Commercial

CABINET CONFIGURATIONS

ECHO 2.0 3T Cabinet

Specification Value Dimensions 48" × 21.5" × 38.5" Weight (Empty) 609 lbs Capacity Range 14-48 kWh (1-3 modules) Cooling 2 thermal fans @ 41dB Security Lockable door Construction Aluminum 5052-H32

ECHO 2.0 4T Cabinet

Specification Value Dimensions 62.5" × 21.5" × 38.5" Weight (Empty) 959 lbs Capacity Range 14-64 kWh (1-4 modules) AC Capacity Single: 15kW, Dual: 30kW

ECHO 2.0 5T Cabinet

Specification Value Dimensions 74" × 21.5" × 38.5" Weight (Empty) 1,549 lbs (w/ Sol-Ark 15K) Capacity Range 14-80 kWh (1-5 modules) Max Configuration Dual inverter support

Guardian E2.0

Specification Value Dimensions 82" × 17" × 33" Weight 1,049 lbs Capacity Range 28-48 kWh Cooling AC Infinity 200CFM @ 38dB

Guardian E2.0 Tower

Specification Value Dimensions 82" × 17" × 33" Weight 1,049 lbs Capacity Range 42-96 kWh Max Combined Units 30 units (2.8MWh total)

INVERTER SPECIFICATIONS

Sol-Ark 12K-P

Specification Value AC Output Power 15kW on-grid / 9kW off-grid Max PV Input 13.5kW MPPT Channels 2 Max DC Voltage 500V@18A, 450V@20A MPPT Range 150-425V Efficiency 97.5% peak Dimensions 30" × 18.3" × 10" Weight 78 lbs

Sol-Ark 15K

Specification Value AC Output Power 15kW on-grid / 15kW off-grid Max PV Input 19.5kW MPPT Channels 3 Max DC Voltage 500V@26A MPPT Range 125-425V Efficiency 96.5% (97.5% peak) Dimensions 30" × 18.3" × 10" Weight 78 lbs

SYSTEM PERFORMANCE

Electrical Specifications

Parameter Value Round Trip Efficiency 97.0% (battery) / 97.5% (system) Grid Charging Efficiency 97.0% Operating Voltage Range 44.0 - 58.4V DC C-Rate Performance - 0.5C 94% efficiency (SCRTE 88%) - 0.8C 97% efficiency (SCRTE 93%) - 1.0C 93-100% efficiency (SCRTE 87-98%)

Environmental Ratings

Parameter Value Operating Temperature -25°C to 55°C (-13°F to 131°F) Storage Temperature -20°C to 30°C (-4°F to 86°F) Humidity Up to 95% RH, non-condensing Altitude Up to 3,000m (9,843 ft) Enclosure Rating NEMA 3R Fire Rating 1,125°F (aluminum cabinet)

CERTIFICATIONS & COMPLIANCE

Safety Certifications

  • UL 9540 - Energy Storage Systems

  • UL 9540A - Thermal Runaway Fire Propagation

  • UL 1973 - Batteries for Stationary Applications

  • UL 1741 SA - Grid Support Utility Interactive

  • FCC Part 15 Class B - EMI Compliance

  • PCS Compliant - Utility Interconnection

Code Compliance

  • NEC 690.12 - Rapid Shutdown Compliant

  • NEC 690.5 - Ground Fault Detection

  • CPUC Rule 21 - California Interconnection

  • IEEE 1547 - Grid Interconnection Standards

  • 2022-CRC-R328.1 - No Separation Required

Seismic Ratings

  • AC156 Compliant

  • IEEE 693-2005 (High)

SYSTEM FEATURES

Standard Features

  • ✓ Rapid Shutdown Switch (RSS) compliant

  • ✓ Advanced BMS with cell balancing

  • ✓ CanBus & RS485 communication

  • ✓ WiFi monitoring capability

  • ✓ Generator start control

  • ✓ Temperature monitoring

  • ✓ SOC accuracy shunt

  • ✓ Arc fault detection

  • ✓ Ground fault protection

  • ✓ Lightning protection

Optional Features

  • Solar Flare/EMP hardening (MIL-STD-461G)

  • Master breaker options

  • Extended warranty packages

WARRANTY & SUPPORT

Component Warranty Period Battery Cells 25 years Inverter 10 years standard BMS 10 years

Contact Information:

  • Phone: 800.544.0282

  • Email: info@sunfusion.us

  • Address: 9020 Kenamar Dr Ste. 204, San Diego, CA 92121

Note: All specifications subject to change. Please verify current specifications with Sunfusion Energy Systems. This guide compiled from product documentation dated 2021-2025.