GLM62851 32.15kWh High Capacity Lithium Battery 51.2V 628Ah

GRANKIA GLM62851 high capacity lithium battery delivers 32.15kWh of usable energy storage with a 51.2V 628Ah LiFePO4 battery configuration, providing long-lasting backup power, enhanced solar self-consumption, and dependable energy independence. Designed for residential ESS, commercial energy storage, and off-grid solar systems, it offers superior safety, extended cycle life, intelligent BMS protection, and scalable capacity for growing energy demands.

The GLM62851 32.15kWh High Capacity Lithium Battery is engineered to meet the growing demand for sustainable and efficient energy storage. Built with LiFePO4 chemistry, it ensures stability, safety, and durability. Its 51.2V nominal voltage and 628Ah capacity make it ideal for large-scale energy storage systems, offering consistent performance across diverse environments.

Why are Traditional Backup Batteries No Longer Enough?

As electricity prices continue to rise and power outages become more frequent, homeowners and businesses face several challenges:

• Limited backup runtime during grid failures
• Inefficient use of solar energy generation
• Rising energy costs from peak-time electricity consumption
• Short battery lifespan and high replacement costs
• Inability to support high-power appliances

Conventional lead-acid batteries often struggle to meet modern energy storage requirements. Users increasingly need a high capacity lithium battery capable of storing more energy, lasting longer, and operating safely under demanding conditions.

This is where GRANKIA GLM62851 32.15kWh High Capacity Lithium Battery provides a superior solution.

What is GRANKIA GLM62851 High Capacity Lithium Battery?

The GLM62851 is a premium-grade 51.2V 628Ah LiFePO4 battery system engineered for large-scale energy storage applications.

It combines:

• Advanced Lithium Iron Phosphate chemistry (LiFePO4)
• Intelligent Battery Management System (BMS)
• High energy density
• Long cycle life
• Modular expansion capability

With an impressive 32.15kWh storage capacity, it can power critical household loads, commercial equipment, and off-grid systems for extended periods.

Key Features

Ultra-Long Lifespan & Exceptional Durability

Built with premium Prismatic Lithium Iron Phosphate LiFePO4 cells, delivering  8,000+ cycles at 90% Depth of Discharge (DoD) at 25°C.

Provides over a decade of reliable daily cycling, significantly lowering the total cost of ownership (TCO) compared to traditional lead-acid or lower-grade lithium batteries.

Massive Energy Capacity with Outstanding Scalability

Delivers a substantial single-unit nominal energy of 32.15kWh (51.2V 628Ah) and supports seamless parallel expansion up to 7 units.

Allows flexible scaling up to a massive maximum capacity of 225.07kWh, making it an ideal, future-proof choice for high-demand residential, commercial, and industrial energy storage systems (BESS).

High Efficiency & Powerful Output

Supports a continuous 200A recommended charge/discharge current, a maximum continuous output power of 14.33kW, and a peak discharge current of 280A for 5 seconds.

Capable of easily handling heavy electrical loads and high-surge appliances without compromising battery health, ensuring stable and robust power backup.

Intelligent Active BMS & Ultimate Safety

Equipped with an integrated smart BMS featuring Active Cell Balancing and multi-layer protection (overcharge, over-discharge, over-current, short circuit, and over-temperature).

Maximizes usable capacity and extends overall battery life through precise cell leveling. It guarantees safe operation under diverse environmental conditions while providing real-time State of Charge (SOC) and State of Health (SOH) monitoring.

Robust & Mobile Mechanical Design

Heavy-duty floor-standing metal enclosure with an IP20 rating, utilizing natural air cooling and integrated wheels.

Eliminates the noise and power consumption of cooling fans while ensuring effortless positioning and installation in indoor environments despite its robust 282 kg net weight.

Versatile Communication & Remote Monitoring

Built-in industry-standard RS232, RS485, and CAN bus protocols, with optional Bluetooth, WiFi, and WLAN monitoring modules.

Ensures plug-and-play compatibility with major solar inverters and allows users to easily track system performance via mobile apps or web platforms.

Technical Specifications

Key Problems Solved by GRANKIA GLM62851

Insufficient Backup Power During Outages

Many homeowners discover that small batteries can only power lights and routers for a few hours.

GRANKIA GLM62851’s 32.15kWh energy storage capacity can support:

• Refrigerators
• Air conditioners
• Water pumps
• Security systems
• Home offices
• Internet equipment

for significantly longer periods during outages.

Typical Backup Runtime

Low Solar Self-Consumption

Many solar systems export excess electricity to the grid at relatively low compensation rates.

GRANKIA GLM62851 li ion polymer battery allows users to:

• Store excess daytime solar energy
• Use stored energy at night
• Reduce grid dependence
• Increase solar self-consumption rates

This significantly improves overall return on investment for solar installations.

High Long-Term Energy Costs

Peak electricity tariffs can dramatically increase monthly utility bills.

A high capacity lithium battery for solar energy storage enables:

• Peak shaving
• Load shifting
• Time-of-use optimization
• Demand charge reduction

Users can charge the battery during low-cost periods and discharge during expensive peak hours.

Advanced LiFePO4 Technology for Maximum Safety

Safety remains one of the most important factors when selecting a battery storage system.

The GLM62851 utilizes Lithium Iron Phosphate (LiFePO4) chemistry, widely recognized as one of the safest lithium battery technologies available.

The integrated BMS continuously monitors:

• Voltage
• Current
• Temperature
• State of Charge (SOC)
• Cell balancing performance

This ensures safe and efficient operation under various conditions.

Long Cycle Life Reduces Total Ownership Cost

One of the biggest advantages of a long cycle life lithium battery is reduced replacement frequency.

The GLM62851 typically delivers:

• More than 8000 cycles
• 10–15+ years of service life
• Minimal capacity degradation

Compared with lead-acid batteries, users benefit from significantly lower lifetime ownership costs.

FAQ

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