Residential Energy Storage

Introducing ESS – R Series

Scalable Sleek Design Built to your needs. Performance and Efficiency for Residential Solar Storage Applications. Now available in 24 or 48 volt configurations, includes battery management system. Stores 30% more solar energy than equivalent lead acid battery pack

ESS – R6

Quiet efficient Lithium battery backup power that replaces generators

Lithium battery LiFePO4 energy storage. Total storage capacity 6 kwhr. Seamlessly integrates with leading solar charge controllers and inverters

$3,750.00 Learn More

ESS – R12

Efficient, cost effective way to reduce your electric bill

Lithium battery LiFePO4 energy storage. Total storage capacity 12 kwhr. Seamlessly integrates with leading solar charge controllers and inverters

$6,175.00 Learn More

ESS – R18

A perfect balance of performance and value for off-grid use

Lithium battery LiFePO4 energy storage. Total storage capacity 18 kwhr. Seamlessly integrates with leading solar charge controllers and inverters

$8,650.00 Learn More

ESS – R24

One step towards falling off the grid and energy independence

Lithium battery LiFePO4 energy storage. Total storage capacity 24 kwhr. Seamlessly integrates with leading solar charge controllers and inverters

$11,475.00 Learn More

Storing Greener Future For Generations – Residenital Storage

Addition of Innovative ESS-R series storage system to an existing or new solar installation will maximize energy savings and provide you with the lowest cost energy for decades

The knowledge and understanding of effects of State of Charge (SOC) on charging efficiency of a battery pack is critical in the design of any renewable energy system. Due to the high internal resistance of lead acid battery the Charge Efficiency significantly drops to less than 60% when the SOC reaches 70% or higher. This means that over 40% of the solar energy generated is not being stored during peak hours of energy generation. Alternatively, low internal resistance of lithium batteries used in ESS-R series the charge efficiency remains higher than 95% or higher throughout the solar charge cycle, thereby significantly improving energy production during peak production hours.

Depth of Discharge (DOD) as a percentage of the total capacity of a storage system. Most lead acid battery manufacturers recommend or specify cycle life based on 50% depth of discharge. This practice is particularly prevalent in sealed lead acid batteries, since the AGM batteries are primarily designed for short term computer backup power applications. ESS-R systems are designed for discharge of up to 90% of the storage capacity which provides 40% additional storage capacity when compared with equivalent deep cycle lead acid battery. Equipped standard with battery management system (BMS) and auto-balancing, provides user with a significantly lower payback time in solar storage applications.

ESS-R series is equipped with Battery Management System (BMS), that monitors,and protects each cell from being over-charged or over-discharged. In a solar applications it is not always feasible to fully charge the cells on a consistent basis. Due to lack of heavy metals (like lead) LiFePO4 battery cells do not have any memory effect, therefore under-charging of the cells does not have any impact on battery life. Conversely under-charging of a lead acid battery storage system leads to corrosion and sulfation, thereby significantly reducing useful battery life. Lack of memory effect also allows introduction of new cells into an existing lithium battery storage system without any degradation in battery life, while lead acid battery systems require all the cells to be replaced, increasing replacement cost of large storage systems.

ESS-R Series uses fan-folded sealed prismatic LiFePO4 cells connected in series. ESS-R is equipped with Battery Management System (BMS) that monitors each cell voltage, temperature and current protecting the battery from over-charge and over-discharge. ESS-R BMS system also includes cell autobalancing that ensures maintenance free years of service. Unlike lead acid batteries, ESS-R system does not vent any hydrogen gas and therefore can be installed in a non-vented enclosed area. In lead acid batteries venting of hydrogen gas during charge cycles results in corrosion of battery terminals, electrical contacts and battery enclosures,requiring labor intensive cleaning and replacement of key components.