Fortress Evault 18.5 Review – Fortress battery programs make the most of the industry’s most environmentally benign chemistry- Lithium Ferro Phosphate, which eliminates working temperature constraints, poisonous coolants, and the risk of thermal runaway and hearth. The built-in smart Battery Management System (BMS) integrates multilevel security ideas: Overcharge and Deep Discharge Protection; Voltage and Temperature Observation; Cell balancing.
Fortress Evault 18.5 Review
Fortress high-performance Lithium Batteries are manufactured on the highest quality commonplace. It comes with a large power capacity and fast charging and steady discharge power. The proprietary structure and BMS get rid of the need for cooling or ventilation, which creates an efficient round-trip conversion.
The Fortress Lithium Battery is safe, easy to put in, consistently dependable, and highly environment friendly. It supplies you the lowest lifetime energy cost
Reviews Fortress Power 18.5kWh
They have their very own touchscreen show that gives you with the state of charge the battery voltage, your current flow in and out of the battery bank. Each battery has a 250 amp breaker at the top. So, from the terminals on the battery, its overcurrent safety 250 amps out to the loads. You might straight hook these as much as an inverter, or you would wire them to a excessive current bus, and parallel a number of batteries collectively to achieve a suitable capability on your utility.
This battery is nice for larger-scale off-grid purposes typically, the minimum obviously goes to be 18 kilowatt-hours. But, if you wish to have constructing blocks of 18-kilowatt-hour chunks, that’s where this particular battery goes to be best suited.
Fortress eVault 18.5kWh
So, you already know typically we’ll be utilizing these batteries for purposes that are 30 kilowatt hours or extra, because of the numerous constructing blocks because of the 18 kilowatt-hour capacity of each of these particular person banks.
Another cool characteristic of this battery is, that it’s on casters. So, it weighs about 400 pounds however shifting it round to where its last resting place is going to be is fairly easy with the casters. This explicit battery has knockouts on the perimeters. On both facet, it allows you to put in like a one-inch conduit, or one-inch string reduction right into the battery.
eVault 18.5kWh Specifications
|Total Energy (kWh)
|51.2 (48) V
|Recommended Charge Current
|Max. Charge Current (Continuous)
|Max. Discharge Current (Continuous)
|Max. Pulse Current (for 10 sec)
|32 to 113 F
|32 to 113 F
|Recommended Storage Temperature
|50 to 95 F
|Dimension (H xW x D, inch_
|38.8 x 19.2 x 21.3
|Enclosure Protection Rating
|Maximum 12 in Parallel (222 kWh)
|High Current Circuit Breaker
Fortress Power VS Tesla Powerwall
Comparison between the Fortress power battery and the Tesla Powerwall battery. The first thing that I’ll point out is the safety of our battery system. Fortress uses lithium iron phosphate chemistry in addition to being extra safer than the Tesla Powerwall chemistry.
|No. of Parallel Stacking
|Guaranteed Battery Cycles
This safety also permits us to have more power and longer duration that means, that we have now a 40% extra storage capability and a 100%, 40 percent more output, which means that you simply’re able to power extra home equipment on your longer period of time.
Fortress Evault 18.5 Review – Fortress offers a 10-year guarantee with round a 12 to 15-year lifespan while Tesla supplies round half of that maybe six to seven, eight years of lifespan. Now, you’re probably questioning how did you calculate this in terms of safety and longevity.
Fortress Power 5.4kW
We calculate this utilizing energy throughput. Energy throughput is the full quantity of energy a battery may be expected to store and ship over its lifetime. So, if you happen to see right here the afford transparent evil has 88.8 make watt-hours of energy throughput.
The checks of Powerwall has only 37.8 make a number of hours of energy throughput, most displaying that our battery is not solely safer but gonna last a heck of so much longer. And lastly, I’d wish to deliver up the cost. So, you can see right here, the fortress power system here on the left, and the 2 Tesla Powerwall right here on the proper.
The installed cost of the fortress system is less than that of the Tesla Powerwall with a bigger inverter but additionally has a for much longer energy throughput of 88.8 compared to 75.6. So, you may see when we take this, and we get the cost per dollar per kilowatt-hour the fortress power system is definitely more environment friendly and better by way of the dollars per kilowatt-hour that’s being paid.
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Fortress Evault Installation
1. Mounting and securing the battery
The Fortress eVault 18.5 is designed to stand on the floor with 4 wheels on the bottom. If desired, the wheels can be disassembled. We recommend putting the batteries on durable racks to avoid flooding. Please refer to the Fortress Lithium Battery Data Sheet for weight and dimension.
2. Mounting the battery pack to a wall
- Fasten the screws through the mounting brackets into the holes of the battery pack on both sides.
- Secure the mounting brackets to the wall with screws. Make sure to leave a space of
at last 2.18 inches in between the battery pack and the wall.
- Lock the rollers on the battery pack
3. Connecting the battery to the Charge Controller and/or Hybrid Inverter
The battery terminals are positioned under the top cover. Please use the screwdriver to take
the screws along the top cover off.
Please make sure the breaker near the terminal is in the OFF position. Please install the positive cable first and the negative cable second. Please do not cross the positive and negative terminals; also, ensure the terminals are not connected to any metal mounting, fixture, or body part. Recommended terminal torque is 7.0 – 7.7 Nm (5.1 – 5.7 ft-lb)
The Fortress Lithium Batteries are equipped with two M8 threaded terminals with a lock washer and nut. The right-hand stud resides in a red high-temperature molded insert. This connection is for the positive lead. The left-hand stud resides in a black high-temperature insert. This connection is for the negative lead. 8mm ring terminals along with proper size wiring cables are required to connect the battery to the inverter/charger. Do not reverse polarity, doing so will void the warranty. Use a voltmeter to check polarity before connecting terminals.
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