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What are the primary operating parameters for the EG4 LIFEPOWER4 SR-48-100-LP4-IN-02?
The operating parameters for the EG4 LIFEPOWER4 SR-48-100-LP4-IN-02 are as follows:
| Parameter | BMS Value | Recommended Value |
|---|---|---|
| Voltage | 51.2V | – |
| Capacity | 100Ah | – |
| Charging Voltage (Bulk/Absorb) | 56.8V | – |
| Low DC Cutoff/SOC Cutoff | 44.8V | 48V +/- 0.2V | 20% |
| Charging Current | 100A (Max. continuous) | 50A |
| Discharging Current | 100A (Max. continuous) | 50A |
| Maximum Continuous Discharge Rate | 5.12kW | – |
| Nameplate Energy Capacity | 5.12kWh | – |
What are the BMS charging protection specifications for the EG4 LIFEPOWER4 SR-48-100-LP4-IN-02?
The BMS in the EG4 LIFEPOWER4 SR-48-100-LP4-IN-02 manages the following charge protection parameters:
| Protection Type | Spec | Delay | Recovery |
|---|---|---|---|
| Cell Voltage Protection | 3.8V | 1s | 3.45V |
| Module Voltage Protection | 60.0V | 1s | 55.2V |
| Over Charging Current 1 | >102A | 10s | – |
| Over Charging Current 2 | ≥120A | 3s | – |
| Temperature Protection | <23F or >158F (-5C or >70C) | 1s | <32F or >140F (>0C or 60C) |
What are the BMS discharge protection specifications for the EG4 LIFEPOWER4 SR-48-100-LP4-IN-02?
The BMS for the EG4 LIFEPOWER4 SR-48-100-LP4-IN-02 includes the following discharge protections:
| Protection Type | Spec | Delay | Recovery |
|---|---|---|---|
| Cell Voltage Protection | 2.3V | 1s | 3.1V |
| Module Voltage Protection | 44.8V | 1s | 48.0V |
| Over Discharging Current 1 | >102A | 10s | 60s |
| Over Discharging Current 2 | >150A | 3s | 60s |
| Short-Circuit | >300A | <0.1ms | – |
| Temperature Protection | <-4F or >167F (-20C or >75C) | 1s | >14F or <149F (>-10C or <65C) |
| PCB Temp Protection | >230F (>110C) | 1s | <176F (<80C) |
What are the general specifications and environmental requirements for the EG4 LIFEPOWER4 SR-48-100-LP4-IN-02?
The general and environmental specifications for the EG4 LIFEPOWER4 SR-48-100-LP4-IN-02 are listed below:
| Parameter | Specification |
|---|---|
| Cell Balance | 120mA Passive Balance (Cell Voltage Difference >40mV) |
| SOC Accuracy | 5% (Integral Calculation) |
| Maximum Modules in Series | 1 |
| Maximum Modules in Parallel | 64 |
| Dimensions (HxWxD) | 6.1 in. x 19 in. x 17.4 in. (155 mm x 442 mm x 470 mm) |
| Weight | 99.6 lbs. (45.2 kg) |
| Charging Temperature Range | 32F – 122F (0C – 50C) |
| Discharging Temperature Range | -4F – 131F (-20C – 55C) |
| Storage Temperature Range | 32F – 113F (0C – 45C) |
| Operating Altitude | <16404 ft. (<5000 m) |
| Ingress Protection | IP20 |
What safety precautions should be followed when working with the EG4 LIFEPOWER4 SR-48-100-LP4-IN-02?
When installing or maintaining the EG4 LIFEPOWER4 SR-48-100-LP4-IN-02, observe these safety notifications:
1. Do not disassemble the battery. Incorrect re-assembly may result in electric shock or fire.
2. Never short-circuit DC inputs, as this can lead to severe injury, death, or permanent equipment damage.
3. Use caution with metal tools around batteries to avoid electrical arcs.
4. Ensure battery module breakers and on/off switches are in the OFF position before installing. Use a voltmeter to confirm no voltage is present.
5. Do not make or break connections while batteries are operating.
6. Ensure the battery and rack are properly grounded.
7. Use personal protective equipment (PPE) such as professional insulative equipment.
8. Inspect all existing wiring to ensure it meets specifications before use.
9. Keep children away from the battery and relevant systems.
10. The battery stops charging at 32F. If charging current is detected below this temperature, disconnect the battery immediately.
How should the EG4 LIFEPOWER4 SR-48-100-LP4-IN-02 be stored?
Proper storage is critical for the health of the EG4 LIFEPOWER4 SR-48-100-LP4-IN-02:
Battery State: EG4 recommends bringing each battery to a 50% State of Charge (SOC) before storage. Recharging is recommended after 8 – 9 months in prolonged storage.
Environmental Factors: For best results, store in a moderate temperature between 41F and 68F (5C and 20C). Avoid wet locations or high humidity (above 55%). Store away from combustible materials.
What are the front panel components of the EG4 LIFEPOWER4 SR-48-100-LP4-IN-02?
The front panel of the EG4 LIFEPOWER4 SR-48-100-LP4-IN-02 features the following items:
| No. | Item | Description |
|---|---|---|
| 1 | Rack mount ear | Secures the battery to the rack |
| 2 | Handle | Used for carrying/handling the battery |
| 3 | Positive terminal | M8 bolt (x2) |
| 4 | CAN | CAN communication interface (Pin 4-CAN_H, Pin 5-CAN_L) |
| 5 | RS485 | RS485 communication interface (Pin 1/8-RS485_B, Pin 2/7-RS485_A) |
| 6 | Battery Communications | Parallel battery communication port for closed-loop setups |
| 7 | Negative terminal | M8 bolt (x2) |
| 8 | Breaker | Circuit breaker for DC Output |
| 9 | Protocol DIP Switch | 6 position switch to select inverter protocol |
| 10 | Battery ID DIP Switch | 6 position switch for battery arrangement ID (supports up to 64) |
| 11 | USB Port | Reserved |
| 12 | Reset | Emergency Reset button |
| 13 | ALM | Alarm LED Display |
| 14 | RUN | Run LED Display |
| 15 | SOC | State Of Charge Display LEDs |
| 16 | ON/OFF Switch | Turns BMS on/off |
| 17 | GND | Ground connection for safety |
What do the LED indicator statuses signify on the EG4 LIFEPOWER4 SR-48-100-LP4-IN-02?
The LED status for the EG4 LIFEPOWER4 SR-48-100-LP4-IN-02 is defined as follows:
| Status | Mode | RUN (Green) | ALM (Red) | SOC LEDs |
|---|---|---|---|---|
| Shutdown/Sleep | – | OFF | OFF | OFF |
| Stand-by | Normal | ON | OFF | Based on SOC |
| Stand-by | Alarm | ON | FLASH | Based on SOC |
| Charge | Normal | Short flash | OFF | Based on SOC |
| Charge | Alarm | Short flash | Short flash | Based on SOC |
| Charge | Over-temp Protection | OFF | Short flash | Based on SOC |
| Discharge | Normal | Long flash | OFF | Based on SOC |
| Discharge | End-off voltage | OFF | OFF | Based on SOC |
| BMS Fault | – | OFF | Flash | All OFF |
What tools and requirements are needed to install the EG4 LIFEPOWER4 SR-48-100-LP4-IN-02?
Installation requirements for the EG4 LIFEPOWER4 SR-48-100-LP4-IN-02 include:
Tools Needed: 10mm socket and ratchet, Phillips head screwdriver, Torque wrench, and M8-1.0 terminal bolts (included).
Cable Sizing: Use the included 4 AWG power cable only for connections to a battery rack busbar. If ambient temperature exceeds 86F (30C), cable size must be increased per NEC 310.
Series Warning: Do not put batteries in series; the BMS and internal components are not designed for it.
Orientation: Never position the battery upside down or face down. Horizontal orientation is best; vertical orientations on the side are acceptable.
Torque: Battery bolts require a torque of 60 in-lbs (6.8Nm). Improper tightening can lead to damage and void the warranty.
What is the proper startup and shutdown procedure for the EG4 LIFEPOWER4 SR-48-100-LP4-IN-02?
To safely start the EG4 LIFEPOWER4 SR-48-100-LP4-IN-02:
1. Close (turn on) the battery’s circuit breaker.
2. Wait approximately 5 seconds, then turn on the battery’s BMS via the power button.
To safely shut down the EG4 LIFEPOWER4 SR-48-100-LP4-IN-02:
1. Power off the battery’s BMS via the power button.
2. Open (turn off) the battery’s circuit breaker.
Note: When using multiple batteries in parallel, repeat these steps for each battery, always starting with the master battery.
How are communications configured for multiple EG4 LIFEPOWER4 SR-48-100-LP4-IN-02 batteries in parallel?
For parallel communication setup with the EG4 LIFEPOWER4 SR-48-100-LP4-IN-02:
1. Ensure all battery breakers and BMS are OFF.
2. Set a unique address code for each battery using the 6-pin DIP Switch ID Table. ID No. 1 is designated as the Host battery.
3. Use standard CAT5 cables to connect the Battery-Comm ports between batteries in a daisy-chain fashion.
4. Connect the Host battery (ID 1) to the system/inverter using the RS485 or CAN port.
5. Power on the batteries one at a time, beginning with the Host battery.
What are the protocol selection DIP switch settings for the EG4 LIFEPOWER4 SR-48-100-LP4-IN-02?
The Protocol ID DIP switch settings for the EG4 LIFEPOWER4 SR-48-100-LP4-IN-02 depend on the inverter brand:
| Code | Brand | Communications |
|---|---|---|
| 1 | EG4/Lux | CAN |
| 2 | Growatt | CAN |
| 3 | Sol-Ark | CAN |
| 4 | Deye | CAN |
| 5 | Megarevo | CAN |
| 6 | Victron | CAN |
| 7 | Luxpower | CAN |
| 8 | SMA | CAN |
| 64 | EG4, Growatt, or Schneider | RS485 (Autodetected) |
Only the host battery (Address 1) needs the inverter protocol to be set. Power cycle the battery after changing settings for them to take effect.
How do I troubleshoot common faults with the EG4 LIFEPOWER4 SR-48-100-LP4-IN-02?
Common troubleshooting steps for the EG4 LIFEPOWER4 SR-48-100-LP4-IN-02 include:
| Fault | Analysis | Action |
|---|---|---|
| Inverter communication failure | Check connection and battery ID setting | Select proper host DIP address and power cycle battery |
| No DC output | Open breaker or low voltage | Check breaker and charge the battery |
| ALM LED always on | Short circuit | Turn off breaker and check all cabling |
| Unbalanced voltage (ALM flashes 20x, SOC1 ON) | Unbalanced voltage within a cell | Deep discharge (<20% SOC), then charge fully |
| Unstable output voltage | BMS error | Press reset button then reboot system |
| Low voltage protection (No LED) | BMS in sleep mode | Charge battery immediately to reboot |
What are the long-term maintenance requirements for the EG4 LIFEPOWER4 SR-48-100-LP4-IN-02?
Maintenance intervals for the EG4 LIFEPOWER4 SR-48-100-LP4-IN-02 are as follows:
Power Cables: Check every 6 months for damage, loose connections, or bus bar discoloration. Use a torque wrench to tighten if loose.
Communication Cables: Check once a year to ensure terminals are tight and cables are not discolored.
Cabinet Cleanliness: Check every 6-12 months for dust and debris inside the cabinet; clean as necessary.
System Running Status: Check every 6 months that parameters (voltage, current, temperature) and core components are normal with no faults.
Charge and Discharge Maintenance: Every 6 months, use light loads and shallow cycles to check SOC and SOH status. It is recommended that depth of discharge and power not exceed 20% of rated values during this check.
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