Batteries

Lithium - LiFePO4

TECHNICAL PARAMETERS

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Batteries:

  • A 24V/100Ah battery:

  • 24X100 = 2400Wh of Energy

  • Depth of Discharge (DOD) – 50%

  • Only 1200Wh available for use

  • 80% DOD = 1920Wh usable Energy

Main Battery Types Used for Solar:

  • Lead Acid Gel AGM batteries

  • Lithium Batteries

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PV Panel and Battery Connections

TWO POSSIBLE WAYS OF CONNECTING

Connection in Series

(Positive to Negative / Positive to Negative)

  • Voltage Increases

  • Amperes Stays the Same

Connection in Parellel

(Positive to Positive / Negative to Negative)

  • Voltage Stays the Same

  • Amperes Increases

THE CORRECT WAY FOR CONNECTION OF

PARALLEL BATTERY BANK

  • Opposite nodes of the battery bank

  • Even discharge & charge

Busbar - Batteries in Parallel

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TO DC FUSE ISOLATOR

  • Cables must be same length

  • Cables must be same cross-section

  • Cables must be as short as possible

  • Fuse size as per maximum possible load

FROM BATTERIES CONNECTED IN PARALLEL

  • Cables must be same length

  • Cables must be same cross-section

  • Cables must be as short as possible

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