Fortress eFlex Max 5.4 kWh 51.2V eFlex Max Battery
MPN No: eFlex Max 5.4 kWh
Expected ship date Nov 26 - Dec 03
In Stock
1,899.00
-23%
$1,449.00
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eFlex Max 5.4 kWh
MPN No: eFlex Max 5.4 kWh
Expected ship date Nov 26 - Dec 03
In Stock
1,899.00
-23%
$1,449.00
The Fortress eFlex Max 5.4 kWh battery is powered by high-quality lithium iron phosphate (LiFeP04) cells, ensuring enhanced safety, performance, and longevity.
The integrated Battery Management System (BMS) manages cell balancing, temperature, and voltage monitoring. Designed for various applications, this battery supports closed-loop communication with 48V inverters and features advanced firmware updates through Modbus and Canbus protocols.
The Fortress eFlex Max 5.4kWh battery is ideal for:
| Specification | Details |
|---|---|
| Nominal Voltage | 51.2V |
| Nominal Capacity | 105AH |
| Rated Capacity (0.5C) | 5.374 kWh |
| Cycle Life | 8,000 cycles at 80% DoD |
| Depth of Discharge | Up to 100% |
| Continuous Discharge Rate | 60A (3KW DC) |
| Peak Discharge Rate | 100A (5KW for 60 minutes) |
| Surge Power | 125A (6.6KW for 5 seconds) |
| Recommended Charge Voltage | 54.4V |
| Max Charge Current | 100A |
| BMS Charge Voltage Disconnect | >56V |
| Dimensions (L x W x H) | 17.5 x 7.2 x 24.2 inches (446 x 184 x 616 mm) |
| Weight | 108 lbs (49 kg) |
| Enclosure Protection | IP65 |
| Case Material | Anodized Aluminum |
| Certifications | UL1973, UN 38.3, Class 9 Lithium Battery |
| Temperature Range (Discharge) | -4°F to 131°F (-20°C to 55°C) |
| Temperature Range (Charge) | 32°F to 114°F (0°C to 45°C) |
| Terminal Type | M8 |
| Warranty | 10 Years |
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