51.2V 300Ah Standing LiFePO4 Battery

Product Overview

As a leading manufacturer and supplier of premium energy solutions, we present the 48V 51.2V Standing Energy Storage Lithium Battery. Engineered for robust power demands, this system delivers exceptional reliability for large-scale residential, commercial, and industrial applications.

• Available in 280Ah, 300Ah, and 320Ah capacities (15/16/17kWh).

• Standing design for secure, footprint-optimized installation.

• Advanced LiFePO4 cell technology ensuring extended longevity.

• Direct sourcing from a trusted manufacturer guarantees premium craftsmanship.

The 48V 51.2V 280/300/320Ah 15/16/17kWh Standing Energy Storage Lithium Battery is a high-capacity LiFePO4 energy storage solution, featuring 51.2V nominal voltage, 300Ah standard capacity and three energy ratings of 15/16/17kWh. With 200A operating/charge/discharge current, ≥5000 cycles and ≤30mΩ internal impedance, it has 0-60℃ charging and -30-60℃ discharging temperature range. Designed as a standing type with 850x440x270mm dimensions and 115kg net weight, it delivers stable high-power output for home, commercial and small industrial energy storage scenarios.

1. Multi-Capacity & Multi-Energy Rating & Flexible Matching

This standing energy storage lithium battery offers 280/300/320Ah capacity options and 15/16/17kWh energy ratings with unified 51.2V nominal voltage, perfectly adapting to diverse power demands from large home energy storage to small commercial power supply. The standardized standing design ensures consistent installation specifications for all models, enabling free combination and capacity expansion, highly suitable for customized energy storage systems with adjustable power needs.

2. High Current Output & Strong Power Supply Capacity

Equipped with 200A rated operating current and consistent maximum charge/discharge current, this 51.2V LiFePO4 battery provides continuous high-power output, meeting the simultaneous power demand of multiple high-power appliances and small industrial equipment. It maintains stable voltage output during high-current charging and discharging, with no obvious voltage drop, and effectively avoids power fluctuation damage to connected devices.

3. Ultra-Wide Temperature Adaptability & Extreme Environment Resistance

This 300Ah standing storage battery features a 0-60℃ charging temperature range and an extended -30-60℃ discharging temperature range, far exceeding ordinary lithium batteries in environmental adaptability. It can work stably in ultra-low temperature northern winters and high-temperature southern summers, with no performance attenuation in extreme climates, suitable for both indoor and semi-outdoor installation in different regions.

4. Long Cycle Life & Low Energy Loss

Adopting premium LiFePO4 cell type with a cycle life of ≥5000 times, this 15/16/17kWh energy storage battery has a long service life and low capacity attenuation, reducing the frequency of battery replacement and long-term use costs. With an internal impedance of ≤30mΩ, it minimizes energy loss during charging and discharging processes, improving energy utilization rate and maximizing the economic benefits of energy storage systems.

5. Stable Standing Design & Easy Installation

Designed as a sturdy standing type with 850x440x270mm dimensions and 115kg net weight, this 48V industrial storage battery features a balanced structural design that ensures stable placement without additional fixed installation. It is suitable for installation in basements, utility rooms and small industrial equipment rooms, with a compact structure that saves space, and standardized interfaces that facilitate quick wiring and subsequent maintenance.

1. Large Villa & High-End Home Energy Storage

This standing energy storage lithium battery is an ideal energy solution for large villas and high-end homes with high power consumption, storing solar energy converted by rooftop solar panels for daily power supply. Its 15/16/17kWh large energy rating supports the simultaneous operation of multiple high-power appliances such as central air conditioners and household elevators, and the ultra-wide temperature adaptability ensures stable use in different residential environments.

2. Small Commercial Store & Office Building Energy Management

For small commercial stores, chain supermarkets and office buildings, this 51.2V LiFePO4 battery provides peak shaving, valley filling and emergency power supply services. Its 300Ah large capacity and 200A high current output meet the power demand of commercial electrical equipment such as cash registers, air conditioners and lighting, and the standing design is easy to install in the limited space of commercial facilities.

3. Small Industrial Workshop & Processing Factory Power Supply

This 300Ah standing storage battery is suitable for small industrial workshops and processing factories with low and medium power demand, providing auxiliary power supply and emergency backup power. It can store off-peak electricity for production during peak hours, reducing industrial electricity costs, and the ultra-wide discharging temperature range adapts to the complex working environment of industrial workshops, ensuring the normal operation of production equipment.

4. Rural Homestay & Farm Off-Grid Energy Storage

For rural homestays and farms with unstable grid power supply or no grid coverage, this 15/16/17kWh energy storage battery forms an off-grid energy system with solar panels and inverters. It realizes self-sufficient power supply for daily operation of homestays and agricultural production equipment, the standing design is suitable for rural outdoor installation, and the long cycle life meets the long-term use demand of rural energy storage.

Place the battery on a flat, firm and dry ground, keep a 20cm safe distance from walls and flammable materials for heat dissipation. Connect with solar panels/inverters or power grid according to the manual, use a dedicated charger matching 58.4V charging voltage and 200A charge current. Charge within 0-60℃ and discharge within -30-60℃, follow the 40V standard discharging method. Regularly check the connection terminals and battery surface temperature, clean dust and keep the ventilation unobstructed.

Q1: How does the -30℃ to 60℃ discharging temperature range benefit outdoor or semi-outdoor installations?

This ultra-wide thermal tolerance ensures that the battery's internal chemistry remains stable and highly conductive even in freezing conditions. It prevents the severe capacity drop and voltage sag typically seen in standard lithium batteries, making it highly reliable for unheated utility rooms or remote off-grid enclosures in extreme climates.

Q2: Can I integrate this 51.2V LiFePO4 battery with my existing solar array and legacy inverters?

Yes, the battery is engineered with a universal 51.2V architecture and features standard RS485 and CAN communication protocols. This allows it to seamlessly handshake with leading hybrid and off-grid inverters such as Deye, Growatt, and Goodwe, ensuring optimized charge algorithms and accurate SOC reporting.

Q3: What makes the standing design superior to wall-mounted alternatives for a 300Ah capacity?

At a net weight of 115kg, wall-mounting a battery of this density requires significant structural reinforcement and specialized hardware. The standing design utilizes the floor for absolute stability, eliminating structural stress on walls, simplifying the installation process, and allowing for easier access during routine maintenance.

Q4: How does the built-in Smart BMS contribute to lowering the total cost of ownership?

The Smart BMS actively monitors and balances individual cell voltages, preventing localized degradation that can prematurely age the pack. By protecting against overcurrent and deep discharges, it maximizes the ≥5000 cycle life, significantly delaying the need for replacement and thereby reducing the long-term cost per kilowatt-hour stored.

Q5: Is it possible to mix different capacity models (e.g., 280Ah and 320Ah) in a parallel configuration?

While the unified 51.2V nominal voltage allows for parallel connections, we strongly recommend using batteries of the exact same capacity and energy rating (e.g., all 300Ah/15kWh) when expanding your system. This ensures perfectly balanced current distribution, preventing bottlenecking and maximizing the lifespan and efficiency of the entire battery bank.