12V 50AH Lithium Ion Battery | Deep Cycle | Engine Starting

A Drop In Replacement & Upgrade from AGM, Gel or Lead Acid Batteries.

This 12V 50AH Lithium Ion Battery (SB50) features an automatic built in battery protection system (BPS) that keeps the battery running at peak performance and protects the cells for thousands of cycles. This battery is plug and play for any application that currently uses a lead acid, gel or agm battery.

12V 50AH Lithium Battery Model 12V50AH
Group Size N/A
Nominal Voltage 12.8V
Charge Voltage 14.4V to 14.6V
Max Charge / Discharge Current 50A (amps)
Cold Cranking Amps 500A (amps)
Length 7.75"
Width 6.45"
Height 6.75"
Weight 15 lbs.
Type LiFePO4

Usable Capacity (amp hours) 52AH
Depth of Discharge 100%
 images.jpg  Peak amps 5 seconds 500A
Reserve Minutes @ 20A 150
Reserve Minutes @ 50A 60
Self Discharge <3% a year
Capacity % @ 100 Cycles 102%
Capacity % @ 500 Cycles 96.3%
Capacity % @ 1000 Cycles 90.8%
Capacity % @ 1500 Cycles 85.4%
  Capacity % @ 2000 Cycles 80.1%
Temperature Performance  Automatic Battery Protection System
Fahrenheit Usable Capacity Low Voltage Disconnect 8V
140 103% Over Voltage Disconnect 15.8V
122 102% Short Circuit Protection Instant
104 100% Reverse Polarity Protection Instant
86 100% Cell Balancing  Automatic
68 98%    
50 92% Cell Specifications
32 83% Connection Bolted
14 80% Type Cylindrical
-4 70% Internal Impedance ≤10mΩ
-22 60%    
-40 10% Warranty
-58 0% Repair or Replace First 5 years 
    Repair or Pro Rate Life Time
    Detailed Warranty Information Warranty
Physical Dimesnions Data Sheet


 This 12V 50AH Lithium Ion Battery is the perfect replacement from a  AGM, GEL or Lead Acid Battery. The SB50 is designed as a "drop in replacement" meaning all you have to do is take out your old battery and place the lithium Battery in the same way.

7 Item(s)
7 Item(s)