Fortress Power LFP-5 LFP-10 LFP-12 FP-15 LFP-18.5 eSpire 233 Energy Storage System DuraRack Indoor / Outdoor Enclosure FlexRack (for eFlex Batteries) eFlex 5.4kWh LFP Battery Lithium Ferro Phosphate Battery – Distributed By World Technology Corporation

Fortress Power energy storage batteries are intelligent, adaptable, and innovative power backup solutions. Fortress Power’s entire easy-to-install battery line provides backup power, significant long-term financial savings, and consistent reliability. And they work with off-grid or grid-tied systems.

As a Pennsylvania based Lithium manufacturer, Fortress Power produces reliable, affordable and safe Lithium Ferro Phosphate batteries.

Fortress Power uses the safest lithium battery technology-Lithium Ferro Phosphate.
Highest safety: Unlike LG and Tesla’s Lithium Nickel Manganese Cobalt chemistry, Fortress uses the safest Lithium Ferro Phosphate technology. No temperature control or any additional cooling is needed.
Long lasting: 10 years warranty and 6000 life cycles. LG Chem or Telsa only guarantees up-to 2800 cycles.
Lowest energy cost: Affordable price and long cycles yield the lowest cost per cycle.
Large power capacity: Batteries are available in 10 and 15 kWh; it’s scalable to 20 and 30 KWh.
Highly compatible: Compatible with most 48V inverters and chargers, such as Schneider, Outback, Darfon, Magnum, SMA, and other inverter brands.

SAFE – AFFORDABLE- EASY TO INSTALL
Fortress Power is committed to safety and performance. Fortress Power’s 48V LFP batteries are crafted with superior quality control and only the highest standards. All of Fortress Power’s storage systems are compatible with most chargers and hybrid inverters, using only the safest and most advanced Lithium Ferro Phosphate LFP technology available. Read on to learn about Fortress Power’s commitment to clean living solutions.

EASY TO INSTALL
Installed by our specialists in only one hour, we can get your battery up and running immediately
HIGH PERFORMANCE
Batteries have ​​a large power capacity and high continuous discharge power and can be recharged quickly, efficient round-trip conversions.
CONSISTENT RELIABILITY
The advanced Lithium Ferro Phosphate (LFP) technology operates a wider temperature range to provide the most dependable performance.
SUPERIOR SAFETY
Your family’s safety is our number one priority, that’s why we use the safest lithium technology and apply the highest manufacturing standards.

APPLICATIONS
Battery backup – A simple, robust option for using clean energy to keep a building powered during power outage.
Self-supply – Obtain energy independence by storing excess solar energy for later use
Time-of-Use – Store off-peak grid power for use when utilities charge the highest rates.
Demand charge curtailment – Reduce the demand charge for businesses
Off-grid – Use renewable energy to power your home during the day light, and stored excess energy for the night.

Fortress Energy Storage
HAVE YOU BEEN SURPRISED WHEN YOUR SOLAR SYSTEM STOPS WORKING WHEN THE GRID GOES DOWN?
With Fortress Power smart energy storage, you can continue to use your solar power – even during grid outages. Our mission is to provide compact, user-friendly, and affordable energy storage solutions using the latest technology for all homes and businesses. Fortress smart energy storage units can be easily integrated with new and existing PV systems. It simply works by storing clean energy and providing power when you need it.

Adding Fortress Power Energy Storage to your solar PV systems enables you to maximize the use of your clean solar energy by storing excess solar for use at night.
-Provide power during grid outages
-Lower your electrical bill by avoiding having to buy electricity at peak times
-Enjoy a 30% investment tax credit when incorporating with solar
-Increase your independence from the utility grid

Fortress Power LFP POWER ENERGY STORAGE BATTERIES PRODUCTS SPECIFICATIONS

Fortress Power LFP-10 SPECIFICATIONS
LFP-10
Total Energy (kWh) 10.24
Max. Charge Current (Continuous) [A] 100
Max. Discharge Current (Continuous) [A] 100
Max. Pulse Current (for 10 sec) [A] 200
Capacity [Ah] 200
Voltage [V] 48
Charging Temperature [F] 32 to 113
Discharging Temperature [F] -4 to 140
Storage Temperature [F] -4 to 131
Dimension [H xW x D, inch] 33 x 16.4 x 9.4
Weight [lbs] 286
Scalable/Parallel up to 5 units per string
Life Cycles 3000 cycles at 90% DoD; 6000 cycles at 80% DoD. 10 years whichever comes first

Fortress Power LFP-15 SPECIFICATIONS
Fortress Power LFP-15

Total Energy (kWh) 15.36
Max. Charge Current (Continuous) [A] 100
Max. Discharge Current (Continuous) [A] 100
Max. Pulse Current (for 10 sec) [A] 200
Capacity [Ah] 200
Voltage [V] 48
Charging Temperature [F] 32 to 113
Discharging Temperature [F] -4 to 140
Storage Temperature [F] -4 to 131
Dimension [H xW x D, inch] 33 x 16.6 x 13.4
Weight [lbs] 429
Scalable/Parallel up to 5 units per string
Life Cycles 3000 cycles at 90% DoD; 6000 cycles at 80% DoD. 10 years whichever comes first

Fortress Power eVault 16.5 SPECIFICATIONS

Fortress Power eVault 16.5
Total Energy [kWh] 18.5
Capacity [Ah] 360
Nominal Voltage [V] 51.2 (48)
Usable Energy [kWh] 16.5
Voltage Range [V] 45-58.4
Recommended Charge Current [A] 100
Max. Charge Current (Continuous) [A] 150
Max. Discharge Current (Continuous) [A] 160
Max. Pulse Current (for 10 sec) [A] 200
Charge temperature [F] 32 to 113
Discharge temperature [F] -4 to 140
Recommend Storage temperature [F] 50 to 95
Dimension [WxDxH, inch] 21.3×19.2×38.8
Weight [lbs] 476
Enclosure Protection Rating IP21 (IP 54 optional)
Mounting options Floor standing
Certificates UL 1642
Warranty 10 years
Scalability Maximum 8 in Parallel (120 KWH)
Communication CAN/RS485

Fortress Power eVault Max 18.5kWh LFP Battery SPECIFICATIONS
Fortress Power eVault Max 18.5kWh LFP Battery
Total Energy (kWh) 18.5
Capacity[Ah] 360
Nominal Voltage [V] 51.2 (48)
Voltage Range[V] 48-55
Recommended Charge Current [A] 150
Max. Charge Current (Continuous)[A] 180
Max. Discharge Current (Continuous)[A] 180
Max. Pulse Current (for 10 sec) [A] 200
Charging Temperature[F] 32 to 120
Discharging Temperature[F] -4 to 140
Recommended Storage Temperature [F] 14 to 77
Dimension [H xW x D, inch] 20.3 x 20.3 x 42.2
Weight[lbs] 520
Enclosure Protection Rating IP55
Mounting options Floor standing
Certificates UL 1642, UL1973, UL9540
Warranty 10 Years
Scalability Maximum 20 in Parallel (370 kWh)
Communication CAN/RS485
High Current Circuit Breaker 250A
Efficiency >98%
Innovative Lithium Iron Phosphate battery from Fortress Power is the eVault Max 18.5 kWh. An all-in-one solution for your
residential and commercial needs. Scalable up to 370kWh with a serviceable top cover access to make installation of this battery simple
and worry free. The eVault Max is AC/DC coupled to solar arrays and works for many applications that require solar storage, including
Off-Grid, Back Up power, self-supply and Peak Charge Reduction just to name a few.

The Built-In Smart and Reliable Relay-Based Battery Management System integrates multilevel safety concepts for excellent performance:
Overcharge and Deep Discharge Protection
Over-heat protection
Over Current Protection
Cell Monitoring and Balancing
Voltage and Temperature Monitoring
Closed-Loop Communication with Inverters
Optimized Internal Structure – Easily Serviceable
Handles More Surge Capacity from Inverters

OTHER FORTRESS POWER LFP POWER ENERGY STORAGE BATTERIES PRODUCTS

Fortress Power FortressGO -444 WH Portable Energy Storage SPECIFICATIONS
Fortress Power FortressGO -444 WH Specification
Maximum Storage 444WH
Usable Storage 360WH
Size 11.9 x 5.3×7.2 Inches
Weight 11 lbs
Input 110/220V AC Charging
15V DC Charging
AC OUTPUT 2 x AC outputs 110V, 60 Hz or 220V, 50 Hz
DC OUTPUT 2 x DC outputs 9-12V/15A max
3 x USB 5V/2A
Rated AC Power 500W
AC Surge Power 1000W
Life Cycle 500 times

Fortress Power FortressGO -5000 WH Portable Energy Storage SPECIFICATIONS
Fortress Power FortressGO -5000 WH Specification
Maximum Storage 5000WH
Usable Storage 4000WH
Size 33x15x31 inches
Weight 330 lbs
Input 110/220V AC Charging
50-100V DC Charging
AC OUTPUT 2 x AC Output 110V, 60 Hz or 220V, 50 Hz
DC OUTPUT 1 x DC Output 12V/4A max
1 x USB 5V/1A • 1x USB 5V/2A
Rated Power 3000W
Transfer time Less than 8 minutes
Life Cycle 3000 times

Fortress Power LIT SERIES Lamp Specification
Fortress Power LIT SERIES Lamp
Fortress Power LIT Lamp Is Comprised Of Three Main Components:
1 Solar Panel, 1 LED lamp, and a Fortress Power Lithium battery.
FP-G-2510
25W solar panels
10W LED lamp; 1100 Lumens
3.2 Volts/25 Amp Hours Lithium Battery
FP-G-6018
60W solar panels
18W LED lamp; 1620 Lumens
3.2 Volts/60 Amp Hours Lithium Battery

Fortress Power eFlex 5.4kWh LFP Battery Specification
Fortress Power eFlex 5.4kWh LFP Battery
Rugged, Long-lasting, Daily Use Battery
Safe Lithium Iron Phosphate Technology (LifeP04)
98% Round Trip Efficiency
Flexible Mounting Options
Remote Monitoring including wifi, modbus, and canbus
BMS Monitors & Balances Individual Cells
NRTL certified to UL9540 and UL9540a standards
Rugged, Long-lasting, Daily Use Battery
Safe Lithium Iron Phosphate Technology (LifeP04)
98% Round Trip Efficiency
Flexible Mounting Options
Remote Monitoring Including Wifi, Modbus, and Canbus
BMS Monitors & Balances Individual Cells
NRTL tested to UL9540 and UL9540a standards
eFlex 5.4kWh LFP Battery Specification
Name eFlex 5.4
Total Energy(kWh) 5.4
Max. Charge Current (Continuous) [A] 100
Max. Discharge Current (Continuous) [A] 60
Max. Pulse Current (for 5 sec) [A] 130
Capacity [Ah] 105
Voltage Range [V] 48-55
Charging Temperature [F] 32 to 113
Discharging Temperature [F] 32 to 140
Storage Temperature [F] 32 to 95
Dimension [L x W x H, inch] 21.5 x 17.5 x 7.2
Weight [lbs] 116
Life Cycles 6000 @ 80% DoD
Round Trip Efficiency >98%

Fortress Power FlexRack (for eFlex Batteries) Specification
Fortress Power FlexRack (for eFlex Batteries)
Expand your energy storage with the Power FlexRack. This iron enclosure stores up to 4 eFlex 5.4kWh batteries. The FlexRack paired with multiple eFlex batteries can build a 48V UPS server rack or provide storage capacity to home solar arrays. The FlexRack includes intergrated busbars, wheels, and a DIN rail heater mount. This enclosure can be free-standing or pad mounted.
Includes integrated busbars for easy stacking
Easy to add din rail thermostat for cold climates
Passive cooling vent for warm climates
Built on wheels for easy movement and postioning
Expandable up to 4 units (15 eFlex batteries; total 81 kWh)
Includes integrated busbars for easy stacking
Including din mounting plate for thermostat mounting in cold climates
Passive cooling vents for warm climates
Rear wheels for easy movement and positioning
Expandable – recombine individual cabinets on a common busbar
FlexRack (for eFlex Batteries) Specification
Total Energy (kWh) 5.4 – 21.6
Dimension [H xW x D, inch] 23.6 x 23.6 x 47.2
Weight[lbs] 153.2
Enclosure Protection Rating IP20 (Indoor)
Mounting options Floor standing
Warranty 3 Years
Scalability 4 units (totaling 15 eFlex units; 81kWh)

Fortress Power DuraRack Indoor / Outdoor Enclosure Specification

Fortress Power DuraRack Indoor / Outdoor Enclosure
Expand your energy storage with the Fortress Power DuraRack. This iron enclosure stores up to 4 eFlex 5.4kWh batteries. The DuraRack paired with multiple eFlex batteries can build a 48V UPS server rack or provide storage capacity to home solar arrays. The DuraRack includes integrated busbars, wheels, and a DIN rail heater mount. This enclosure can be free-standing or pad mounted and is safe for indoor and outdoor installations.

IP65 WATER AND DUST RESISTANT FOR BOTH INDOOR AND OUTDOOR INSTALL
INCLUDES INTERGRATED BUSBARS AND BATTERY CABLES FOR EASY STACKING
EASY TO ADD DIN RAIL THERMOSTAT FOR COLD CLIMATES
PASSIVE COOLING VENT FOR WARM CLIMATES
BUILT ON WHEELS FOR EASY MOVEMENT AND POSITIONING
EXPANDABLE UP TO 4 UNITS (15 EFLEX BATTERIES; TOTAL 81 KWH)
DuraRack Indoor / Outdoor Enclosure Specifications
Enclosure Material Carbon Steel
Enclosure Protection IP65 water and dust proven (outdoor)
Enclosure Color White
Dimensions [W x H x D] 29.29 x 41.34 x 18.03 in (744 x 1050 x 458 mm)
Enclosure Weight 59.6 kg / 153.2 lbs
Maximum Battery Units 4 eFlex 5.4
Storage Capacity Range 5.4kWh – 21.6 kWh per unit
Max. Storage Capacity 81 kWh (4 unites in parallel)
Knockout Size 1inch & 2 inch
Positive and Negative Battery Busbars 2 x 4 points; M8 (5/16) Terminal Rings
Positive and Negative Busbars to Inveter 2 points; m10 (3/8) Terminal Rings
Battery Cables 4 sets of
Terminal Torque 7.0 – 7.7 Nm (5.1 – 5.7 ft-lb)
Enclosure Warranty 3 Years
Certifications UL9540, UL9540A, UL1973, CEC, SGIP

Fortress Power Compatible Inverters
Fortress Power Lithium Iron Phosphate batteries are designed to work with most 48 VDC inverter and chargers available on the market. Below is a list of compatible inverters and chargers. You still need to design to the maximum inverter amperage and consult with inverter minimum battery sizes.

Brand Inverter/Charger Mode Configuration

Sol-Ark ** 8 KW & 12 KW Inverter AC or DC coupled
Schneider ** Conext XW MPPT charge controller; Conext XW+/XW pro **** series AC or DC coupled
Outback Skybox, FLEX max charge controller (48V), FLEXpower series (48V); Radian series (48V);
FXR(A) and FXR (E) series (48V); GVFX and GVFX series (48V); AC or DC coupled
Magnum MS 4448PAE; MS 4048-20B AC or DC coupled
Studer * AJ 400/700-48 Series; XTS 1400/2600/4000/6000/8000-48 Series;
VT 40/65/80 Series; VS 70/120 AC or DC coupled
SMA * SUNNY ISLAND 4548-US/6048-US; SUNNY ISLAND 3.0M/4.4M/6.0H/8.0H AC coupled
Victron * Phoenix VE.Direct Inverter; MultiPlus and Quatro Inverter/Charger; Skylla-TG Charger;
General; Color Control or Venus GX DC coupled
Morning Star TriStar MPPT 600V; TriStar MPPT; Tristar PWM DC coupled
Midnite Solar Solar Classic 150, 200 & 250; Solar Classic 150, 200 & 250-SL DC coupled
* closed-loop capable [eFlex (15) + eVault Max (20)]
** closed-loop capable [eFlex (15) + eVault Max (20) + eVault Classic (2)]
*** coming soon
**** inverter model only

Fortress Power eSpire 233 Energy Storage System Specification
Fortress Power eSpire 233 Energy Storage System
Description
Safe Technology & Multi-level Protection
The solution uses the best-in-class Tier 1 Lithium Iron Phosphate (LFP) chemistry for the highest level of safety, thermal stability, and reliability; An integrated, multi-level Battery Management System (BMS) monitors, optimizes, and balances the system.
Compact Design for Flexible Install
The product has a slick and compact design that can be flexibly fit into indoor and outdoor space.
Advanced Liquid Cooling for the Extended Battery Lifespan
The unique liquid cooling system optimizes the battery thermal performance by 3 times, which extends the battery lifespan and increases your investment.
Turnkey System for Fast Install
Fully integrated, pre-configured package system reduces on-site installation time; includes inverter(s), battery trays, racks, BMS, local Controller, HVAC, fire suppression, isolation transformer and outdoor rated enclosure.
Easy & Flexible to scale (Easy scalability)
This outdoor rated, modular solution can be expanded to 2.80 MWH capacity easily (Max. 12 unit in parallel).

Fortress Power eSpire 233 Energy Storage System Specification
Our US based technical support team can help you from project design to completion.
Easy & Flexible to scale (Easy scalability)
Battery Data
Battery Bank Capacity [kWh] 233
Operation Voltage Range [V] 728.5 – 936.4
Nominal Voltage [V] 832
Battery Capacity [aH] 280
Cell Type LFP Prismatic
Cell Life @ 25C >6000
DOD 90%
Ambient Working Temperature -25 ~ 45C (-13 ~ 113 F)
Cooling Integrated Liquid Cooling
Battery Bank Scalability up to 15 (3.5 MWh)
Inverter Data
Rated AC Output Power [kVA] 125
Rated Grid Voltage Inverter Output 480V Delta
Rated Grid Voltage at Transformer 480V Phase Y (Wye)
Rate Grid Frequency [Hz] 60/50 Hz
Rated AC Current 150.4 A
Max. Continuous AC Curent 167 A
Current THD IEEE 1547 Compliant, <3% at rated power
Power Factor -1 to 1
Transformer Rating 125 kVA
System Data
Ambient Working Temperature -25 ~ 45C (-13 ~ 113 F)
Storage Temperature Range -25 ~ 45C (-13 ~ 113 F)
Certification UL1973, UL9540(pending), UL9540A, UL1741/1741SA(pending), IEC62619, IEC62477-1, IEC61000-6-2/4 GB/T 34133-2017, UL1741, IEEE1547.1, UL1741SA, IEC62477, IEC61000