Victron lithium battery 12.8V/180Ah Smart

Victron lithium battery 12.8V/180Ah Smart

Victron lithium battery 12.8V/180Ah Smart

The Victron 12.8V/180Ah Smart lithium iron phosphate battery has a maximum continuous discharge current of 320A and features built-in Bluetooth functionality for reading the integrated cell balancing and monitoring. The battery is equipped with cables with connectable M8 connectors that can be daisy-chained together. This allows the battery to be connected to an external Battery Management System (BMS). Up to five batteries can be connected in parallel, and up to four in series. The VE.bus BMS is connected to the communication cables with connectable M8 connectors. Its main functions are: > Disconnects or switches off the load when the voltage of a battery cell falls below 2.5V. > Stops the charging process when the voltage of a battery cell rises above 4.2V. > Switches the system off when the cell temperature rises above 50°C. Why lithium iron phosphate? Lithium iron phosphate (LiFePO4 or LFP) is the safest of the main lithium-ion battery types. The nominal voltage of an LFP cell is 3.2V (lead acid: 2V/cell). A 12.8V LFP battery therefore consists of 4 cells connected in series; and a 25.6V battery consists of 8 cells connected in series. Robust A lead-acid battery will fail prematurely due to sulfation: • If it is operated in deficit mode for extended periods (if the battery is rarely or never fully charged). • If it is stored partially charged, or even worse, fully discharged (in a yacht or mobile home over the winter). An LFP battery does not need to be fully charged. In fact, its service life is slightly extended by partially charging the battery instead of fully. This is a major advantage of LFP compared to lead-acid. Other advantages include a wide operating temperature range, excellent cycling performance, low internal resistance, and high efficiency (see below). LFP is therefore the right choice for very demanding applications. Efficient. Energy efficiency can be crucial in various applications (especially with off-grid solar and/or wind energy). The cycle energy efficiency (discharge from 100% to 0% and back to 100% charged) of the average lead-acid battery is 80%. The cycle energy efficiency of an LFP battery is 92%. The charging process of lead-acid batteries becomes particularly inefficient once the 80% state of charge is reached, resulting in efficiencies of 50% or even less in solar systems that require several days of reserve energy (battery operating at a state of charge of 70% to 100%). However, an LFP battery still has an efficiency of 90% under shallow discharge conditions. Comparison with lead-acid batteries. LFP batteries are more expensive compared to lead-acid batteries. However, in demanding applications, the high initial cost is more than offset by their longer lifespan, superior reliability, and excellent efficiency. An LFP battery saves up to 70% space and is up to 70% lighter. Bluetooth: With Bluetooth, cell voltages, temperatures, and alarm status can be monitored. Very useful for locating (potential) problems, such as cell imbalance.

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