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Pro Power 12V 400ah Lithium Ion LiFePo4 DeepCycle Battery Bank Solar 4WD Caravan

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Pro Power 12V 400ah Lithium Ion LiFePo4 DeepCycle Battery Bank Solar 4WD Caravan

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Battery Bank Including

  • 2× 200AH Pro Power Lithium Ion LiFePo4 DeepCycle Battery
  • 2x Parallel Cable 250mm length (250A 3000V)
Pro Power LFP (Please see the 2nd image or tab for battery specification)
  • Has a built-in BMS (ROHM)
  • High maximum continuous discharge current (2C)
  • High maximum charge current (1C)
  • Can be parallel and series connected (Up to 8  in Parallel, 4 in series)
  • Long cycle life ( 3000 to 6000 Cycles)
  • Premium BYD Prismatic Lithium Cell
  • Suitable for Off-road 4×4, IP66 Rating, Filled with shock absorbing silicone
  • Can be charged using most standard lead acid battery chargers
  • Light Weight ( Saves up to 70% in space and weight)
  • High Efficiency

Battery Management System (BMS) The BMS will:

  • Disconnect or shut down the load whenever the voltage of a battery cell decreases to less than 2.8V (adjustable 2.6V-2.8V).
  • Stop the charging process whenever the voltage of a battery cell increases to more than 4.2V.
  • Shut down the system whenever the temperature of a cell exceeds 70°C.
  • Integrated cell balancing, Up to 8 batteries can be paralleled and up to 4 can be series connected.

Why lithium-iron-phosphate (LifePO4 or LFP)?


VS Lead-acid Battery (AGM GEL)
A lead-acid battery will fail prematurely due to sulfation:
• 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 wintertime).
A 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). LFP is therefore the chemistry of choice for demanding applications.

Life Cycles

  • Lead-acid battery: 200 to 1600 cycles
  • LFP battery: 3000 to 6000 cycles

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 leadacid battery is 80%. 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.


  • Saves up to 70% in space
  • Saves up to 70% in weight

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

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