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Smart Battery 12V 300AH Deep Cycle / Starting Lithium Ion Battery

12V 300AH Lithium Ion BatteryPrice: $3,499.99

Call for availability 1-855-465-4844

Model SB300
Nominal Voltage 12.8V
Capacity (amp hours) 300AH
Charge Voltage 14.4v to 14.6V
Max Charge / Discharge Current 100A (amps) .3C
Cold Cranking Amps 3000A (amps)
Length 19.25"
Width 10.25"
Height 8.75"
Weight 93 Lbs.
Type LiFePO4


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The Smart Battery SB300 offers state of the art technology "Lithium Iron Phosphate" the safest and most robust lithium chemistry. Capable of reaching over 5000 cycles, The SB300 can be re-charged thousands of times providing 100% DOD (depth of discharge) The Smart Battery SB300 is perfect for boats, trolling motors, cars and almost any application that would use a 12V 300AH lead acid, agm or gel battery. 


  • Fully automatic built in battery protection system
  • Automatic low voltage cut off - 8v12V 100AH Lithium Ion Battery
  • Automatic over voltage cut off - 16v
  • Automatic short circuit cut off - instant
  • Automatic internal cell balancing 
  • High quality bolted cylindrical cell design
  • Built in cell safety fuse " Nano Cell Fuse Technology "
  • Long life 3000 - 5000 cycles
  • Lightweight - up to 70% lighter than lead
  • No voltage sag - faster cranking for motors and higher voltage for continuous consistent power. 
  • Dry Battery - no toxic lead or acid
  • Zero Maintenance 
  • No venting or gassing 
  • Heavy duty stainless steel bolts, washers and flat washers included
  • 99.1% efficient
  • Green ROHS compliant - No Lead
  • Use 100% of rated capacity 
  • Does not heat up during use
  • Connect in series or in parallel
  • One battery for 12v, 24v, 36, or 48v applications

 View this video to see how Smart Battery technology                 12V 300AH Lithium Ion Battery Data Sheet
is superior to other types of 12V Lithium Ion Batteries

     SB300 Data

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