The use of Lithium-Ion batteries could soon represent a viable alternative to generators in solar-hybrid systems.

The inclusion of batteries to supplement solar water pumping beyond the solar day and the opportunities, pro’s and con’s to use Lithium-Ion battery technology are discussed in these 2 articles.

IEEE Access – Photovoltaic_Water_Pumping_Comparison_Between_Direct_and_Lithium_Battery_Solutions

IEEE-Access-Comparative analysis of a direct photovoltaic pumping system with a Li-Ion battery one