Fortress Battery – Fortress battery techniques utilize the industry’s most environmentally benign chemistry- Lithium Ferro Phosphate, which eliminates working temperature constraints, poisonous coolants, and the chance of thermal runaway and fire. The built-in sensible 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 customary. It comes with a large power capability and fast charging and steady discharge power. The proprietary architecture and BMS remove the need for cooling or ventilation, which creates an environment friendly round-trip conversion.
The Fortress Lithium Battery is secure, easy to put in, consistently reliable, and extremely efficient. It gives you the lowest lifetime energy cost
Reviews Fortress Power 18.5kWh
They have their very 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 protection 250 amps out to the hundreds. You may instantly hook these as much as an inverter, or you could wire them to a excessive current bus, and parallel multiple batteries together to achieve an acceptable capability on your utility.
This battery is great for larger-scale off-grid purposes typically, the minimum clearly is going to be 18 kilowatt-hours. But, if you wish to have constructing blocks of 18-kilowatt-hour chunks, that’s where this explicit battery goes to be best suited.
Fortress eVault 18.5kWh
So, you realize typically we’ll be using these batteries for applications which can be 30 kilowatt hours or more, because of the significant constructing blocks because of the 18 kilowatt-hour capacity of each of these particular person banks.
Another cool feature of this battery is, that it’s on casters. So, it weighs about 400 pounds however shifting it round to where its ultimate resting place is going to be is fairly straightforward with the casters. This specific battery has knockouts on the perimeters. On both side, it lets you put in like a one-inch conduit, or one-inch string reduction 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’ll point out is the security of our battery system. Fortress uses lithium iron phosphate chemistry in addition to being more safer than the Tesla Powerwall chemistry.
|No. of Parallel Stacking
|Guaranteed Battery Cycles
This safety additionally permits us to have extra power and longer duration meaning, that we’ve a 40% more storage capability and a 100%, 40 p.c more output, which means that you just’re able to power more home equipment for your longer amount of time.
Fortress Battery – Fortress offers a 10-year guarantee with around a 12 to 15-year lifespan whereas Tesla supplies around half of that possibly six to seven, eight years of lifespan. Now, you are probably wondering how did you calculate this in terms of security and longevity.
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We calculate this utilizing energy throughput. Energy throughput is the full quantity of energy a battery might be expected to store and deliver over its lifetime. So, in case you see right here the afford clear evil has 88.8 make watt-hours of energy throughput.
The checks of Powerwall has solely 37.8 make numerous hours of energy throughput, most exhibiting that our battery just isn’t only safer but gonna last a heck of lots longer. And lastly, I’d like to convey up the cost. So, you can see here, the fortress power system right here on the left, and the two Tesla Powerwall here on the suitable.
The put in cost of the fortress system is less than that of the Tesla Powerwall with a larger inverter but in addition has a for much longer energy throughput of 88.8 in comparison to 75.6. So, you possibly can see once we take this, and we get the cost per dollar per kilowatt-hour the fortress power system is actually extra 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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