LiFePO4 battery 12,8V/160Ah - Smart

Product Code: LiFePO4 battery 12,8V/160Ah - Smart

Brand: Victron Energy

Product Features

  • Nominal Voltage: 12.8 V
  • Nominal Capacity @ 25°C: 160Ah
  • Cycle Life @ 80% DOD: 2500 Cycles
  • Cycle Life @ 70% DOD: 3000 Cycles
  • Cycle Life @ 50% DOD: 5000 Cycles
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Product Description

Victron LiFePO battery 12.8V/160Ah - Smart

Why lithium-iron-phosphate?
Lithium-iron-phosphate (LiFePO4 or LFP) is the safest of the mainstream li-ion battery types. The nominal voltage of a LFP cell is 3,2V (lead-acid batteries: 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.

Service life
LFP battery does not need to be fully charged. Service life even slightly improves in case of partial charge instead of a 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 (see below).

Efficiency
In several applications (especially off-grid solar and/or wind), energy efficiency can be of crucial importance.
The round trip energy efficiency of a 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, a LFP battery will still achieve 90% efficiency under shallow discharge conditions.

Cell balancingand and monitoring
LFP batteries have integrated cell balancingand cell monitoring. Up to 5 batteries can be paralleled and up to four 12V batteries or two 24V batteries can be series connected,so that a 48V battery bank of up to 1500Ahcanbe assembled.The cell balancing/monitoring cables can be daisy-chained and must be connectedto a Battery Management System(BMS).

Battery Management System (BMS)
The BMS will:
1.Disconnect or shut down the load whenever the voltage of a battery cell decreasesto less than 2,5V.
2.Stop the charging process whenever the voltage of a battery cell increases to more than 4,2V.
3.Shut down the system whenever the temperature ofacell exceeds 50°C. More about BMS features see in the battery BMS datasheets.

    Product Specification
    Nominal Voltage 12.8 V
    Nominal Capacity @ 25°C 160Ah
    Cycle Life @ 80% DOD 2500 Cycles
    Cycle Life @ 70% DOD 3000 Cycles
    Cycle Life @ 50% DOD 5000 Cycles
    Technology Lithium-ion (LiFePO4)
    Insulation IP22
    Operating temperature range Discharge: -20°C to +50°C Charge: +5°C to +50°C
    Dimensions (mm) H x W x D 237 x 321 x 152
    Weight 33kg
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