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The EM048290P5B3 Lithium-ion Battery Pack is a high-performance energy storage module engineered by LG Chem, Ltd., designed for demanding industrial, commercial, and renewable-energy applications. With a robust 14.9 kWh energy capacity and a stable 51.38V nominal voltage, this pack delivers reliable, long-lasting power in a compact design.
Built using advanced Secondary Li-ion chemistry, the pack incorporates a 4P14S high-efficiency cell configuration, providing exceptional cycle life, consistent voltage stability, and high energy density. Ideal for solar storage systems, backup power solutions, mobile energy units, and integration into larger modular ESS platforms, this unit ensures dependable operation even under continuous daily cycling.
Manufactured to LG’s strict quality and safety standards, the EM048290P5B3 includes precision balancing, thermal stability, and structural durability for safe long-term operation. Its configuration and performance characteristics make it well-suited for modern energy systems requiring high capacity, high reliability, and long service life.
Key Features
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High Energy Capacity – 14,896 Wh (14.9 kWh) for extended runtime and robust storage needs
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Large Capacity – 290 Ah for high current delivery and stable performance
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Optimized Voltage – Nominal 51.38 V for 48-volt class energy systems
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Premium Li-ion Technology – High efficiency, long cycle life, superior energy density
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LG Chem Cells – Built with industry-leading lithium-ion cell technology
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Modular 4P14S Architecture – Ideal for scalable energy storage system integration
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Certified Manufacturing – Quality construction from LG Chem's production facility in China
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Suitable for ESS and Industrial Applications – Solar, backup power, mobile power units, microgrids, R&D, and OEM integration
Typical Applications
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Residential & commercial solar energy storage
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Off-grid and hybrid power systems
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Backup/UPS power banks
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Mobile and portable energy units
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Industrial and commercial ESS racks
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Research, prototyping, and OEM battery systems
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Dimensions (W × H × D): 445 mm × 110 mm × 1,162 mm (≈ 17.5″ × 4.3″ × 45.7″) device.report+2LG Chem+2
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Weight: 89 kg (≈ 196 lb) device.report+1
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Clearance / Mounting-Notes:
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The module is part of the “48-V class” system (nominal ~51.4 V) showing recommended voltage range 42 V–58.8 V. Energy Storage+1
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Ensure proper mounting orientation (typically upright mounting of the 110 mm height) with ventilation/thermal management as per manufacturer guidelines.
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Provide sufficient clearance around the unit for airflow, service access, and safe connection/disconnection of power cables and BMS interface.
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Installation should follow manufacturer’s data sheet and local electrical/battery safety codes (including thermal protection, fire suppression clearance, cable management, and earthing/grounding).
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