25.6V 200Ah High-Capacity LiFePO4 Battery for Solar Storage and Industrial Power Systems

Product Overview

This 25.6V 200Ah lithium iron phosphate battery is a high-energy-density storage system designed for medium to large-scale power applications. With a total energy capacity of 5120Wh, it provides reliable and continuous power output for solar energy systems, backup power solutions, and mobile energy equipment.

Using advanced LiFePO4 cell technology combined with an intelligent BMS, the battery delivers strong safety performance, long operational life, and stable output under both high-load and long-duration working conditions. It is suitable for demanding environments where reliability and efficiency are essential.

Product Advantages

This battery adopts deep-cycle lithium technology, enabling repeated charge and discharge operation with minimal capacity degradation over time. It is designed to maintain stable performance even under frequent daily cycling conditions, making it suitable for renewable energy storage systems.

It supports multiple charging sources including photovoltaic systems, utility power, and engine-based charging systems. This flexibility allows seamless integration into solar hybrid systems, RV power setups, and off-grid energy networks.

The product also supports OEM and customization services, including different cell brands, BMS configurations, and system integration options. The production process is mature and standardized, ensuring consistent quality and performance stability.

Electrical Performance

The battery operates at a nominal voltage of 25.6V with a rated capacity of 200Ah, delivering 5120Wh of usable energy. Internal resistance is controlled at ≤65mΩ, ensuring efficient energy transfer and reduced heat generation during operation.

Energy efficiency reaches up to 99%, while self-discharge remains around 2% per month, making it suitable for long-term standby storage applications. The system is built using LiFePO4 chemistry, which offers high thermal stability and strong safety characteristics.

The battery supports modular configuration with up to 8S and 4P expansion, allowing flexible system design based on power requirements.

Discharge Capability

The system supports a continuous discharge current of 100A, making it suitable for powering high-demand electrical loads. It can also handle short-duration peak currents up to 200A for 3 seconds, ensuring stable performance during sudden load surges.

The recommended discharge cut-off voltage is 20V, while the BMS protection threshold is set at 17.6V. The battery reconnects automatically at 21.6V after voltage recovery. In fault conditions such as short circuits, protection is triggered within 300–800 microseconds for system safety.

Charging Performance

Charging is managed through a CC-CV algorithm to ensure stable and controlled energy input. The recommended charging voltage range is 28.4V to 29.2V, with a float voltage around 27V for maintaining full charge over long periods.

The recommended charging current is 50A, while the maximum allowable charging current is 100A for fast charging scenarios. The BMS charging protection limit is set at 30V to prevent overvoltage damage.

Temperature Performance

The battery is designed to operate across a wide temperature range, supporting discharge from -20°C to 60°C, charging from 0°C to 60°C, and storage from -10°C to 60°C. The built-in BMS provides high-temperature protection at 65°C to ensure safe operation in extreme environments.

Mechanical Structure

The battery is housed in a durable ABS enclosure with dimensions of 640 × 245 × 220mm and a total weight of approximately 42kg. This structure balances durability and portability while ensuring stable installation in various applications.

It uses M8 terminals for secure electrical connection and is rated IP65 for protection against dust and water ingress, making it suitable for both indoor and outdoor installations.

Service Life and Stability

This LiFePO4 battery is rated for more than 4000 cycles at 80% depth of discharge under 1C conditions. The long cycle life significantly reduces replacement frequency and improves long-term cost efficiency compared with traditional lead-acid battery systems.

Application Scenarios

The 25.6V 200Ah battery is widely used in solar energy storage systems, residential backup power, RV and caravan power systems, marine propulsion applications, outdoor industrial equipment, and UPS backup systems. It is particularly suitable for systems requiring high capacity, stable output, and long service life.