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Rich Solar  |  SKU: RS-12V - 300AH - 3.8kWh Lithium Battery Bank

Rich Solar 12V - 300AH - 3.8kWh Lithium Battery Bank

$1,614.99 $1,857.99

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Eligible for returns: Yes

Time frame allotted: 30 days from the date of delivery

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This 300AH 12V 3.8kWh Lithium Battery Bank comes with:

  • 3x 12V 100AH LiFePO4 Battery
  • 4x 1ft 2 AWG Battery Cable

5,000 Cycles. LiFePO4. 10+ Year Lifespan.

RICH SOLAR 12V lithium battery has a much longer cycle life capacity, and is easier to maintain compared to other battery technologies. The LiFePO4 technology has better thermal and chemical stability, which improves battery safety and packed with power in a small and lightweight footprint. Easily uses the same space as your existing 12V battery bank and replaces lead acid, AGM or Gel battery applications in RVs, boats, commercial vehicles, off grid back up power and much more. Not intended to replace starting batteries.


  • Extremely high number of charge/discharge cycles
  • > 10 Year lifespan with proper maintenance
  • Built-in smart battery management system
  • Wide operating temperature range
  • Unsurpassed high temperature performance
  • Green energy without metal contaminant
  • Low maintenance
  • High amp capacity
  • Stable output voltage
  • Little self-discharge
  • Lifetime customer support
  • Over charging or discharging protection.
  • Over current & short circuit protection.
  • High & low temperature disconnects
  • Charge Voltage: 14.4V
  • Max Charge Current: 100 A
  • Max Discharge Current: 200 A
  • Battery Dimensions: 19.0″L x 6.7″W x 9.5″H
  • Weight: 42.5 lbs

BMS Safety Protection

  • Each cell is fused and if for some unlikely situation a cell fails, this design will isolate the cell stopping any other damage and allows the battery to function safely
  • Convenient removable carry handle
  • Lightweight
  • Short circuit protected
  • Physical damage to battery case will not cause fire
  • Excessive thermal exposure will not cause a fire
  • Able to withstand over-charge/over-discharge without damage to the battery
  • Sophisticated Battery Management System (BMS)


    Rich Solar 12V 100Ah LiFePO4 Lithium Iron Phosphate Battery


    Rich Solar 12V 100Ah LiFePO4 Lithium Iron Phosphate Battery

    Electrical Specifications 
    Nominal Voltage: 12.8V
    Nominal Capacity(at .5C, 77°F): 100Ah
    Minimum Capacity (at .5C, 77°F): 95Ah
    Expected Cycle Life: >3000 cycles w/1C charge and discharge rate, at 77°F, 80% DOD
    Operating Specifications 
    Charge Method: Smart charger, constant current, constant voltage
    Operating Voltage: 12.8 V
    Capacity: 100 Ah
    Energy: 1280 Watt Hours
    Charge Voltage Range (Max 14.6V): 14.4 -14.6V
    Continuous Charge Current: 50A
    Continuous Discharge Current:100A
    Over Voltage Shutdown:15.6 +/-0.2V
    Discharge Cut-off Voltage: 8V =/- 0.5V
    Self Discharge (stored at 50% SOC): < 3%/month
    Temperature Performance 
    Charge Temperature: 32° F to 140° F
    Discharge Temperature: -4° F to 140° F
    Storage Temperature: -4° F to 140° F
    BMS High Temperature Cut-off: 149°F
    BMS Low Temperature Cut-off: 32°F
    Physical Specifications 
    Battery Dimensions: 12.8″L x 6.6″W x 8.5″H
    Weight: 21.8 lbs
    Battery post size:5/16″

    BMS Operation

    Over Charge Protection 
    Over charge detection voltage: 3.9 +/- 0.05V
    Over charge detection delay time: 0.96 - 1.4s
    Over charge release voltage: 3.80 +/-0.05V
    Maximum charge voltage: 3.65 +/-0.05V
    Over Discharge Protection 
    Over discharge detection voltage: 2.0V +/- 0.05V
    Over discharge detection delay time: 115-173ms
    Over discharge release voltage: 2.3V +/- 0.10V
    Over Current Protection Over current detection delay time:9 +/- 2ms
    Over current release condition: Cut load
    Polarity Reverse Protection:Yes
    Short Circuit Protection: Yes
    Warranty: 3 Year Manufacturer Defect

    What's Included

    100AH LiFePO4 Battery

    3 x

    AWG Battery Cable

    2 x

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