Forklift Action: Considerations for Li-ion as an Alternative to Propane Powered Lift Trucks

Propane powered lift trucks have long been considered a good option for indoor or mixed indoor/outdoor heavy use applications. Cleaner burning than diesel, propane provided an internal combustion engine (ICE) solution without some of the limitations of older battery technology like swapping batteries and watering. However, as motors have switched to AC power and Lithium-ion (Li-ion) batteries have become available for fast charging, the need for propane is waning. Some applications, like food, pharmaceutical or underground facilities are required to use electric forklifts and electric forklifts also have a lower cost of ownership in the long term. The change is accelerated by environmental legislation such as that from the California Air Resources Board (CARB). In this white paper, Green Cubes Technology outlines the pros and cons of propane versus modern Li-ion technology, what makes Lithium Iron Phosphate (LFP) the safest option, and how batteries can use opportunity charging to obtain similar efficiencies to propane.

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Green Cubes Technology develops and manufactures a complete portfolio of lithium power systems that enable its OEM and enterprise customers to transition from Lead Acid and Internal Combustion Engine (ICE) power to Lithium-ion battery power. Green Cubes utilizes proven hardware and software platforms to build the most reliable lithium battery systems in its industries. With over 300 employees across six countries, Green Cubes has been producing innovative, high-performance and high-quality products since 1986. For more information, email or visit

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