Technical Specifications
| Parameter | Value |
|---|---|
| Nominal DC Voltage¹ | 51.2V |
| Operational Voltage Window¹ | 40V to 58.4V |
| Nominal Capacity | 4.7kWh (92Ah) |
| Usable Capacity² | 4.7kWh (92Ah) |
| Recommended Usable Capacity | 3.76kWh |
| Depth of Discharge | Up to 100% |
| Recommended Depth of Discharge | 80% or less |
| Continuous Discharge C-Rate | 0.68C |
| Maximum Continuous Discharge Current | 63A (3.22kW) |
| Maximum Discharge (Limited by K-Curve Circuit Breaker) | 63A (3.22kW) |
| Maximum Charge Current | 63A (3.22kW) |
| Nominal Charge Current | 46A (2.35kW) |
| Battery Fault Current | |
| Circuit Breaker (K-Curve) | 250A, 2-Pole 63A 360VDC |
| Lithium Composition | Lithium Ferro Phosphate (LiFePO4 or LFP) |
| Operating Temperature Range | Charge: 4°C to 51°C / Discharge -6°C to 56°C |
| Recommended Maximum Ambient Temperature Range | -10°C to 50°C |
| Operating Humidity | Up to 85% - Non-condensing |
| BMS Under/Over-Volt Module Level Protection¹ | 40V/58.4V |
| BMS Under/Over-Volt Cell Level Protection | 2.5V/3.65V |
| BMS Over/Under-Temp Cut Off | Charge: 53°C/2°C Discharge: 58°C / -8°C |
| Self Discharge | <14% Per Annum |
| Altitude | < 2000m (seek advice from PowerPlus Energy above 2000m) |
| Battery Mounting Options | Standard 19" Rack Mount / Horizontal / Vertical |
| Terminal Connections | Amphenol Surlok 100A Non-keyed |
| IP Rating | IP40 |
| Efficiency | >96% |
| Cooling | Natural Convection |
| Parallel Connection | Unlimited - Refer to Manufacturer |
| Series Connection | Not Permitted |
| Alarm Output | Normally Closed. Volt-free, 100mA 60V Max |
| Communications | Alarm Output |
| Module Weight | 43kg |
| Battery Dimensions | 635mm D x 443mm W x 88mm H |
Connected PCE Programming Requirements (Voltages based on measurement at battery terminals)
| Parameter | Value |
|---|---|
| Shutdown DC Voltage (No Load) | 50V |
| Shutdown DC Voltage (0.5C) | 48V |
| Recovery / Restart Voltage | 52V |
| Continuous Charge Voltage | 55.7V |
| Continuous Charge Transition | Battery is considered full after battery is absorbing less than 0.5% of maximum charge current after being held at specified charge voltage for 30 minutes minimum. |
| Float Voltage Cyclic (Short Term Float) (Example Solar Application) | 55.7V |
| Float Voltage Standby (Long Term Float) (Example UPS Application) | 55.2V |
| Charge Current | 46A |
| Peukert Exponent | 1.02 |
| Shutdown SoC Recommended | 20% |
| Calibration to 100% | Every 7 days or more frequent where possible. (Ensures cell balancing is performed and keeps external SoC counter more accurate) |
Product Dimensions
The Eco4847P battery system has the following external dimensions: Depth: 635mm, Width: 443mm, Height: 88mm. The diagram illustrates the overall unit with these dimensions marked, along with indications of terminal connections and mounting points.
Certifications and Warranty
Certifications:
- Battery: IEC 62619:2017 (Pending), UN38.3 (Pending), IEC 61000-6-3:2020 (Pending), IEC 62368-1:2018 (Pending)
- Battery Cells: UL 1642, IEC 62619:2017
Warranty: 10 Years (conditions apply)
Notes:
- Voltages are specified at the battery terminals.
- The usable capacity is measured under specific conditions of 0.25C.
Specifications are correct at the time of publication and are subject to change. Refer to the website for the latest information.
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