51.2V200ah lithium battery2

Basic parameters

Voltage: 51.2V is the nominal voltage of this lithium battery pack. In practical use, the terminal voltage of the battery will change with the charging and discharging process. During charging, the voltage will gradually increase to around 56V (full charge voltage), and during discharging, the voltage will gradually decrease. When the voltage drops to a certain level (such as around 42V), it usually indicates that the battery is approaching the end of discharge state.

Capacity: 200Ah represents the rated capacity of the battery, which is the amount of charge that the battery can release under certain discharge conditions. Taking a constant current discharge of 20A as an example, theoretically it can last for 10 hours of continuous discharge. The actual available capacity of a battery may be affected by factors such as temperature, charge discharge rate, etc.

Battery composition

Battery cell: usually composed of multiple lithium-ion battery cells connected in series and parallel. Common types of lithium-ion batteries include lithium iron phosphate and ternary lithium. Taking lithium iron phosphate as an example, due to its high safety, long cycle life, and good high-temperature performance, it is often used in high-capacity lithium battery packs such as 51.2V200Ah. Generally, multiple 3.2V, 200Ah lithium iron phosphate single cells are used to form a 51.2V battery pack through series parallel connection.

Battery Management System (BMS): It is an important component of lithium battery packs, mainly responsible for monitoring parameters such as voltage, current, temperature, etc. of the battery pack, providing overcharge protection, overdischarge protection, overcurrent protection, overheating protection, etc. It can also perform power balance management to ensure that the charging and discharging status of each cell in the battery pack is as consistent as possible, in order to extend the overall service life of the battery pack.

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application area

Energy storage system: It can be used for energy storage in renewable energy generation systems such as solar and wind power, storing excess electricity and releasing it during peak electricity consumption or when there is insufficient light or wind power, playing a role in smoothing power output and stabilizing grid voltage. It can also serve as the core of a household energy storage system, storing electricity during low electricity prices at night for use during the day, achieving peak shaving and valley filling, and reducing electricity costs.

Electric vehicles: Some large electric vehicles such as electric buses and electric trucks use 51.2V200Ah lithium batteries as their power source to provide strong power for the vehicle. In addition, it has also been applied in some fields such as electric ships and electric engineering vehicles.

Communication base station: As a backup power source, it supplies power to communication base station equipment during power outages, ensuring the normal operation of communication networks and guaranteeing the continuity of communication services.