Quite possibly the most well made battery on the market, the eFlex 5.4 kWh lithium battery from Fortress Power comes with built-in wifi for remote monitoring and troubleshooting to compliment its 10 year warranty with the safe and premium prismatic Lithium-Iron-Phosphate cells. It's expandable from 5.4 kWh to 81 kWh for whatever your application needs making this one of the most popular units in the Fortress line-up.
WATERPROOF AND SALTWATER RESISTANT
The aluminum cabinet that houses the high quality battery cells is IP 65 waterproof which will prevent salt water corrosion.
Total Energy: 5.376 kWh
Nominal Voltage: 51.2(48)V
Voltage Range: 45-58.4 V
Max. Charge Current(Continuous): 100 Amp
Max. Discharge Current(Continuous): 100 Amp
Recommend Storage temperature: 32 to 95 F
Charge temperature: 32 to 113 F
Capacity: 105 Amp-hour
Dimension(H x W x D): 7.2" x 17.5" x 21.5"
Weight: 116 lbs
Lowest cost per cycle!
High ound trip efficiency & >99% mixed with 6000+ lifecycles means that this is one of the best bangs for your buck when it comes to a lithium deep cycle battery.
Fortress Power 5.4kW Lithium Deep Cycle Solar Battery Features:
High Durability and long-lasting:10 Year Warranty with the safe and premium prismatic Lithium-Iron-Phosphate cells
Versatile Applications:Expandable from 5.4 kWh to 81 kWh for residential, commercial, railway, military and telecommunications applications
Lowest Cost Per Cycle:High energy throughout with exceptional life span (6000+ cycles) and hight round-trip efficiency (>99%)
Monitor from Anywhere:The battery has a built-in data storage Wi-Fi for remote monitoring and troubleshooting ability
Waterproof and saltwater resistant:The sleek-looking aluminum cabinet has IP65 waterproof rating to prevent salt-water corrosion
Fortress Power 5.4kW Lithium Deep Cycle Solar Battery Are Compatible with most inverters!
The eFlex5.4 is compatible with most inverters on the market today, but customers have found the best pairing with the units below:
Fortress Power 5.4kW Lithium Deep Cycle Solar Battery CompatibleInverters
Fortress Lithium Iron Phosphate batteries are designed to work with most 48VDC inverter and chargers available on the market. Below is a list of compatible inverters and chargers.
Sol-Ark: - AC or DC coupled
- 8 KW & 12 KW Inverters
Schneider: - AC or DC coupled
- Conext XW MPPT charge controller; Conext XW+/XW pro series
Outback: - AC or DC coupled
- Skybox, FLEX max charge controller (48V), FLEXpower series (48V); Radian series (48V); FXR(A) and FXR (E) series (48V); GVFX and GVFX series (48V);
Magnum: - AC or DC coupled
- MS 4448PAE; MS 4048-20B
SMA: - AC coupled
- SUNNY ISLAND 4548-US/6048-US; SUNNY ISLAND 3.0M/4.4M/6.0H/8.0H
Victron: - DC coupled
- Phoenix VE.Direct Inverter; MultiPlus and Quatro Inverter/Charger; Skylla-TG Charger; General; Color Control or Venus GX
Morning Star: - DC coupled
- TriStar MPPT 600V; TriStar MPPT; Tristar PWM
Midnite Solar: - DC coupled
- Solar Classic 150, 200 & 250; Solar Classic 150, 200 & 250-SL
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