The Fortress Power eFlex is a 5.4 kWh scalable energy storage solution based on safe and energy dense prismatic Lithium Iron Phosphate cells. The digital processor Battery Management System (BMS) includes high amperage contactor disconnects and advanced Closed-Loop inverter communication, as well as individual cell voltage monitoring, temperature monitoring, and cell balancing to maximize reliability and longevity.
Canbus, modbus, and wifi communication enable internet-of-things compatibility. The IP65 case ensures direct water spray and dust will not penetrate the battery internals from all directions. The unit can be wall mounted, floor mounted, and server rack mounted for hard-to-reach access in renewable, marine, RV, mobile, telecom, railway applications and more.
Key Features
- 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
Specifications
| General | |
| Name | eFlex 5.4 |
| Â Total Energy(kWh) | Â 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 | 8000 @ 80% DoD |
| Round Trip Efficiency | >98% |
Warranty
Shipping
Order Confirmation:
As soon as you place your order, you will receive an order confirmation email. This means that we have received your order in our system and pre-authorized your credit card for the purchase. As soon as we receive your order, we automatically reach out to our suppliers to confirm that it is in stock and available for immediate shipment. If your item is on backorder or unavailable, we will void the pre-authorization and reach out to you via e-mail. If your item(s) are available for immediate shipment (within 5 business days), we will process the charges and submit the order for shipment.
Order Shipment:
If your order is in stock and we process the charges to your credit card, it will ship within five business days from the date of your order. We will send you tracking information within 24 hours of your order leaving the warehouse to the e-mail address you provided when checking out. If you do not receive tracking information from us within six business days of your order, feel free to follow up with us at sales@solarsovereign.com.
No Shipping outside the USA.
Shipping Options
Our base “Curb-side” Pickup shipping is usually completely free! This option usually takes between 5-15 days to arrive at your doorstep, after you have submitted your order. There are other options available, however. We also offer the below options for some products. Please contact us for more information about these prior to ordering.
Threshold Shipping: This involves the item being brought onto your porch, or into a sheltered/garage area.
White Glove Delivery: This includes the item being brought into your room of choice, any minor assembly, and all boxes and packaging removed from your house!
Downloads
Datasheets
eFlex Data Sheet
eFlex SPANISH Data Sheet
eFlex SPANISH Brochure
Installation Guides
eFlex Owner / Installation Manual
Inverter Guides
FirmwareÂ
Certifications
UL9540 / UL1973 Certificate
UL9540a Large Scale Fire Test Report
Racking Details
DuraRack Manual
Flexrack Technical Notes
Customer Server Rack Guide
Reviews
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