Lithium Stationary Storage Enquiry

Facts

Lithium Iron Phosphate (Lite Home) batteries have several advantages over conventional lead-acid batteries:

High energy density: more energy with less weight

High charge currents (shortens the charge period)

High discharge currents (enabling for example electrical cooking on a small battery bank)

Long battery life (up to six times the battery life of a conventional battery)

High efficiency between charging and discharging (very little energy loss due to heat development)

Higher continuous power available

Rugged

A lead-acid battery can fail prematurely due to sulphation if it is left partially charged, fully discharged, or rarely fully charged for long periods of time. A Lithium Iron Phosphate battery does not need to be fully charged, has a wide operating temperature range and excellent cycling performance. They are, therefore, the battery for very demanding applications.

Efficient

The typical energy efficiency (energy that can be taken out of the battery compared to the energy required to re-charge) for lead acid batteries is ~ 70%. For a LifePO4 battery, it is ~ 92% The final 20% charge for a lead-acid battery is particularly inefficient with efficiencies of ~ 50% and can take a very long time for the battery to become completely charged. In contrast, a LifePO4 battery can achieve 98% efficiency and so can be fully charged more quickly and using less energy.

Size & Weight

LifePO4 batteries save up to 70% in space and 70% in weight compared to lead-acid.

Expensive?

Lithium Iron Phosphate batteries are not more expensive than lead-acid types! The purchase price may be 10-50% more but this is compensated for by longer life, size or weight considerations, superior reliability & efficiency. Example: a 100kWh Freedom Lite costs only 20% more than an equivalent properly sized lead acid battery!

Battery Management System

It is vital that the correct battery management system (BMS) is used to control the battery charging. This is important to actively balance the individual cells that make up the battery and prevent under or overvoltage which can otherwise destroy the battery. Freedom Won utilizes the world’s leading BMS offering superior safety, reliability and performance.

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