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Inventus Power offers a standard portfolio of long-life Lithium Iron Phosphate batteries known as U1LiFe Series Batteries. These batteries were originally designed to power applications such as patient monitors, mobile & portable ultrasound equipment, medical carts, and portable x-ray machines but are also being used in robotic applications and uninterruptible power supply (UPS) energy storage systems.

Our U1LiFe platform was designed to be a direct replacement for 12V & 24V Sealed Lead Acid (SLA) U-1 battery applications. But why would one choose U1LiFe batteries over traditional SLA batteries? U1LiFe batteries offer significant advantages over SLA  in terms of cycle life, safety, run time and maintenance costs, thus providing an overall lower total cost of ownership. 

Cycle Life-1Increased Cycle Life
U1LiFe batteries utilize Lithium Iron Phosphate chemistry which offers a cycle life into the thousands compared to an average of 250 cycles that one would get from an SLA battery. Lower cycle life equates to more frequent replacement. SLA batteries need to be replaced at least once a year while our U1LiFe batteries have seen lifespans extending beyond 5 years.


Safer Solution
Safer SolutionAnother benefit of Lithium Iron Phosphate (LiFePO4) is that it is considered the safest and most environmentally-friendly chemistry available today.  Applications where safety is a critical factor benefit from the thermal and chemical stability of LiFePO4. Additionally, Lithium-Iron Phosphate is non-hazardous to produce and recycle, so it provides an advantage over Lead batteries which can cause harmful contamination during recycling process or if disposed in a landfill at end of life. 


Better PerformanceBetter Performance
The integrated cell protection and balancing circuitry responsible for the durability and additional safety features of the Inventus Power U1LiFe battery also cause functional behavior that differs from typical lead acid batteries. Voltage for a U1LiFe remains relatively constant throughout the depth-of-discharge, while voltage for a lead-acid battery decreases at a linear rate. The U1LiFe Battery Management System (BMS) uses custom algorithms to report State-of-Charge (SOC) to the user via SMBus output.

U1LiFe batteries also have integrated circuitry to continuously monitor the voltage of each individual cell string and uses this information to balance the battery and ensure maximum capacity. Additionally, the U1LiFe’s integrated protection circuitry prevents the battery module from exceeding its voltage limits. The module’s circuitry interrupts either charging or discharging current if the battery is in danger of exceeding current, voltage or temperature limits. Detection is provided to user via status LEDs located just above the RJ45 ports. 


Zero MaintenanceZero Maintenance
In addition to a having a low cycle life, SLA batteries are heavy (~28 lbs / 12.7 kg) and often require a service technician to replace. When this occurs, the equipment is often taken out of service and decreases utilization. Our U1LiFe batteries weigh less (~13 lbs / 5.9 kg) and maintain 100% capacity in storage, unlike SLA batteries which experience permanent capacity loss within a few months of storage.


Lower Total Cost of Ownership
Lower TCO.pngWith a cycle life in the thousands, a lifespan extending five years, better performance and no maintenance costs, the total cost of ownership for a U1LiFe battery exceeds that of an SLA battery, resulting in an overall better solution.  

 

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