Fortress Evault – Fortress battery systems utilize the industry’s most environmentally benign chemistry- Lithium Ferro Phosphate, which eliminates operating temperature constraints, toxic coolants, and the danger of thermal runaway and fireplace. The built-in smart Battery Management System (BMS) integrates multilevel security concepts: Overcharge and Deep Discharge Protection; Voltage and Temperature Observation; Cell balancing.
Fortress high-performance Lithium Batteries are manufactured on the highest quality normal. It comes with a large power capacity and fast charging and continuous discharge power. The proprietary architecture and BMS eradicate the necessity for cooling or ventilation, which creates an efficient round-trip conversion.
The Fortress Lithium Battery is protected, easy to install, consistently reliable, and highly environment friendly. It provides you the lowest lifetime energy cost
Reviews Fortress Power 18.5kWh
They have their own touchscreen show that provides 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 might wire them to a excessive current bus, and parallel a number of batteries collectively to gain an appropriate capability on your utility.
This battery is great for larger-scale off-grid functions usually, the minimum obviously is going to be 18 kilowatt-hours. But, if you wish to have building blocks of 18-kilowatt-hour chunks, that’s the place this explicit battery goes to be greatest suited.
Fortress eVault 18.5kWh
So, you already know usually we’ll be using these batteries for functions which are 30 kilowatt hours or more, because of the significant constructing blocks because of the 18 kilowatt-hour capacity of every of these individual banks.
Another cool feature of this battery is, that it’s on casters. So, it weighs about 400 pounds however shifting it around to the place its remaining resting place goes to be is pretty easy with the casters. This specific battery has knockouts on the sides. On either aspect, it permits you to put in like a one-inch conduit, or one-inch string aid proper 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 very first thing that I will mention is the protection of our battery system. Fortress makes use of lithium iron phosphate chemistry along with being extra safer than the Tesla Powerwall chemistry.
|No. of Parallel Stacking
|Guaranteed Battery Cycles
This security also permits us to have more power and longer period that means, that we have a 40% more storage capacity and a 100%, 40 percent extra output, that means that you’re in a position to power extra appliances to your longer period of time.
Fortress Evault – Fortress offers a 10-year warranty with around a 12 to 15-year lifespan whereas Tesla gives around half of that maybe six to seven, eight years of lifespan. Now, you are in all probability questioning how did you calculate this by way of security and longevity.
Fortress Power 5.4kW
We calculate this using energy throughput. Energy throughput is the overall amount of energy a battery can be anticipated to retailer and ship over its lifetime. So, should you see right here the afford transparent evil has 88.8 make watt-hours of energy throughput.
The checks of Powerwall has solely 37.8 make a lot of hours of energy throughput, most showing that our battery just isn’t solely safer however gonna final a heck of a lot longer. And lastly, I’d like to carry up the cost. So, you possibly can see here, the fortress power system here on the left, and the two Tesla Powerwall right here on the best.
The put in cost of the fortress system is lower than that of the Tesla Powerwall with a bigger inverter but also has a much longer energy throughput of 88.8 compared to 75.6. So, you can see after we take this, and we get the cost per dollar per kilowatt-hour the fortress power system is actually more efficient and better in terms of the dollars per kilowatt-hour that is 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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