The batteries store the energy generated from the PV cells during the day. This stored power can be used at night or when there is insufficient sunlight on a cloudy day or when it rains. Using high-quality batteries that require least maintenance ensures that the power system is always running at the highest efficiency.
The brands we use are listed below:
LG Electronics offers great high efficient solar panels, and our sister company LG Chem offers one of the best lithium ion solar home batteries.