VICTRON LITHIUM LIFEPO4 SMART 12.8V 300AH BATTERY – USE FOR BMS

$6,390.00

Description

Victron 12.8V Lithium Smart 300Ah Battery

Please contact us for lead-time.

Why Lithium-iron-phosphate?

Lithium-iron-phosphate (LiFePO4 or LFP) is the safest of the mainstream li-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 a series; and a 25.6V battery consists of 8 cells connected in series.

Rugged

A lead-acid battery will fail prematurely due to sulphation:

• If it operates in deficit mode during long periods of time (i.e. if the battery is rarely, or never at all, fully charged).

• If it is left partially charged or worse, fully discharged (yacht or mobile home during winter time).

An LFP battery does not need to be fully charged. Service life even slightly improves in case of partial charge instead of full charge. This is a major advantage of LFP compared to lead-acid. Other advantages are the wide operating temperature range, excellent cycling performance, low internal resistance, and high efficiency. LFP is, therefore, the chemistry of choice for very demanding applications.

Efficient

In several applications (especially off-grid solar and/or wind), energy efficiency can be of crucial importance. The round trip energy efficiency (discharge from 100% to 0% and back to 100% charged) of the average lead-acid battery is 80%. The round trip energy efficient an LFP battery is 92%. The charge process of lead-acid batteries becomes particularly inefficient when the 80% state of charge has been reached, resulting in efficiencies of 50% or even less in solar systems where several days of reserve energy is required (battery operating in 70% to 100% charged state). In contrast, an LFP battery will still achieve 90% efficiency under shallow discharged conditions.

Size And Weight

Saves up to 70% in space, Saves up to 70% in weight.

Expensive?

LFP batteries are expensive when compared to lead-acid. But in demanding applications, the high initial cost will be more than compensated by longer service life, superior reliability, and excellent efficiency.

Bluetooth

With Bluetooth cell voltages, temperature and alarm status can be monitored. Very useful to localize a (potential) problem, such as cell imbalance.

Cell Balancing And Monitoring

The LFP batteries have integrated cell balancing and cell monitoring. Up to 5 batteries can be paralleled and up to four batteries can be series connected so that a 48V battery bank of up to 1500Ah can be assembled. The cell balancing/monitoring cables can be daisy-chained and must be connected to a Battery Management System (BMS)

Battery Management System (BMS)

The BMS will:

• Disconnect or shutdown the load whenever the voltage of a battery cell decreases to less than 2.5V.

• Stop the charging process whenever the voltage of a battery cell increases to more than 4.2V.

• Shutdown the system whenever the temperature of a cell exceeds 50°C.

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