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Batteries
LuxWatt 5kWh 48V Lithium battery (ES-BOX42(X)) - 105AH
₦1,250,000
$916 USD
Lithium Battery
The LuxWatt ES-BOX42(X) is a 48V nominal voltage, 105Ah capacity, and 5kWh nominal energy lithium battery, with a working voltage range of 42V–53.25V DC and a recommended charging voltage of 53.25V DC, for residential and small commercial solar energy storage, backup power, and hybrid/off-grid solar installations.
It supports up to 100A maximum charge/discharge current and can be expanded through parallel connection.
Key Specifications
- Model: ES-BOX42(X)
- Battery Type: Lithium Iron Phosphate (LiFePO₄)
- Nominal Voltage: 48V
- Nominal Capacity: 105Ah
- Nominal Energy: 5kWh
- Nominal Energy Capacity: 5kWh
- Suggested Charging Voltage: 53.25V DC
- Standard Working Voltage Range: 42V - 53.25V DC
- Maximum Charge Current: 100A
- Maximum Discharge Current: 100A
- Parallel Connection: Up to 16 units
- System Configuration: Supports 2S/2P configurations
- Recommended Depth of Discharge (DoD) For Maximum lifespan: 80%
- Cycle Life: 6,000
- Expected Service Life: Approximately 8-10 years under normal operating conditions
Electrical & Charge Characteristics
- Nominal Voltage: 48V
- Nominal Capacity: 105Ah
- Nominal Energy: 5kWh
- Working Voltage Range: 42V - 53.25V DC
- Suggested Charging Voltage: 53.25V DC
- Maximum Charging Current: 100A
- Maximum Discharging Current: 100A
- Maximum Continuous Charge Power: 5.33kW at 53.25V and 100A
- Maximum Theoretical Continuous Discharge Power: 5.33kW at 53.25V and 100A
- Nominal-Voltage Discharge Power: 4.8kW at 48V and 100A
- Discharge Cut-Off Voltage: 42V
BMS & Protection Features
- Battery Management System (BMS): Integrated Smart BMS
- Overcharge Protection: Yes
- Over-Discharge Protection: Yes
- Over-Current Protection: Yes
- Short-Circuit Protection: Yes
- Temperature Protection: Yes
- Cell Balancing: Yes
- Battery Monitoring: Supported through the battery's BMS and available communication interfaces
Inverter Compatibility & Communication
- Compatible Inverter Class: 48V-class low-voltage hybrid and off-grid solar inverters
- Application: Residential and commercial solar energy storage, hybrid solar systems, off-grid systems, and backup power
- Closed-Loop Communication: Supported with compatible inverters
- Communication Interfaces: CAN and RS485
- CAN Communication: Yes
- RS485 Communication: Yes
- USB Communication: Yes
- Inverter Communication: Enables compatible inverters to monitor battery state and control charging and discharging
- Parallel Expansion: Yes
- Maximum Parallel Units: Up to 16 units
- Maximum Parallel Storage Capacity: About 80kWh using 16 × 5kWh units
- Series Connection: 2S configuration supported
- 2S/2P Configuration: Supported
Environmental & Thermal Operating Limits
- Charging Temperature Range: 0°C - 55°C
- Discharging Temperature Range: -20°C - 55°C
Battery Life & Durability
Long-Term Storage Recommendation: If the battery is not used for a long period, LuxWatt recommends charging it at least once every 3 months
Safety & Protection
- Battery Management System: Integrated Smart BMS
- Battery Chemistry Safety: LiFePO₄ chemistry
- Overcharge Protection: Yes
- Over-Discharge Protection: Yes
- Over-Current Protection: Yes
- Short-Circuit Protection: Yes
- Temperature Protection: Yes
- Cell Balancing: Yes
Key Features & Highlights
- Potential 80kWh Maximum Parallel Storage: Connecting 16 units of the 5kWh battery in parallel could provide approximately 80kWh of nominal energy storage, subject to the manufacturer's configuration requirements.
- CAN & RS485 Communication: Provides communication options for connecting the battery to compatible solar inverters and energy management systems.
- Wide Operating Temperature Range: Supports charging from 0°C to 55°C and discharging from -20°C to 55°C.
- Smart BMS Protection: The integrated BMS provides battery management and protection against abnormal operating conditions.
- Long Service Life: LuxWatt states that its LiFePO₄ battery technology offers more than 6,000 charge cycles and approximately 8-10 years of reliable use under normal operating conditions.
- Scalable Solar Storage: The ability to connect multiple units in parallel makes the ES-BOX42(X) suitable for systems where energy storage requirements may increase over time.

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